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Bartoli F, Bachi B, Callovini T, Palpella D, Piacenti S, Morreale M, Di Lella ME, Crocamo C, Carrà G. Anxious distress in people with major depressive episodes: a cross-sectional analysis of clinical correlates. CNS Spectr 2024; 29:49-53. [PMID: 37489522 DOI: 10.1017/s1092852923002377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
OBJECTIVE Most people with major depressive episodes meet the criteria for the anxious distress (AD) specifier defined by DSM-5 as the presence of symptoms such as feelings of tension, restlessness, difficulty concentrating, and fear that something awful may happen. This cross-sectional study was aimed at identifying clinical correlates of AD in people with unipolar or bipolar depression. METHODS Inpatients with a current major depressive episode were included. Data on socio-demographic and clinical variables were collected. The SCID-5 was used to diagnose depressive episodes and relevant specifiers. The Montgomery-Åsberg Depression Rating Scale (MADRS) and Young Mania Rating Scale (YMRS) were used to assess the severity of depressive and manic (mixed) symptoms, respectively. Multiple logistic regression analyses were carried out to identify clinical correlates of AD. RESULTS We included 206 people (mean age: 48.4 ± 18.6 yrs.; males: 38.8%) admitted for a major depressive episode (155 with major depressive disorder and 51 with bipolar disorder). Around two-thirds of the sample (N = 137; 66.5%) had AD. Multiple logistic regression models showed that AD was associated with mixed features, higher YMRS scores, psychotic features, and a diagnosis of major depressive disorder (p < 0.05). CONCLUSION Despite some limitations, including the cross-sectional design and the inpatient setting, our study shows that AD is likely to be associated with mixed and psychotic features, as well as with unipolar depression. The identification of these clinical domains may help clinicians to better contextualize AD in the context of major depressive episodes.
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Affiliation(s)
- Francesco Bartoli
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Bianca Bachi
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Tommaso Callovini
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Dario Palpella
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Susanna Piacenti
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Marco Morreale
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | | | - Cristina Crocamo
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Giuseppe Carrà
- Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Division of Psychiatry, University College London, London, UK
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Cassady JC, Helsper A, Quagliano Q. The Collective Influence of Intolerance of Uncertainty, Cognitive Test Anxiety, and Academic Self-Handicapping on Learner Outcomes: Evidence for a Process Model. Behav Sci (Basel) 2024; 14:96. [PMID: 38392449 PMCID: PMC10886387 DOI: 10.3390/bs14020096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 01/19/2024] [Accepted: 01/23/2024] [Indexed: 02/24/2024] Open
Abstract
Research on achievement emotions and behaviors has routinely demonstrated connections to student performance. This study approaches the work from a perspective of greater integration of multiple variables and examines potential nonlinear relationships among intolerance of uncertainty, cognitive test anxiety, academic self-handicapping, and student performance. Using structured equations modeling and generalized additive modeling, our results confirm better predictions of student performance when using both multivariate and curvilinear analyses. Optimal prediction of GPA was achieved when considering all three variables in conjunction through a serial mediation model. Specifically, the analyses demonstrated that intolerance of uncertainty tended to activate learners' cognitive test anxiety, which increased the potential of engaging in academic self-handicapping, resulting in lower levels of GPA. The results are consistent with process models of test anxiety that identify the critical role of learners' appraisals of evaluative stressors as well as the coping strategies employed when stressors are activated. Finally, curvilinear analyses confirmed that student GPA was related to academic self-handicapping and cognitive test anxiety in complex ways but largely demonstrated that as the levels of self-handicapping and/or cognitive test anxiety increased, performance declined. However, the degree of severity in reduced GPA was most severe for learners with elevations in both.
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Affiliation(s)
- Jerrell C Cassady
- Department of Educational Psychology, Ball State University, 2000 W. University Ave., Muncie, IN 47303, USA
| | - Addison Helsper
- Department of Educational Psychology, Ball State University, 2000 W. University Ave., Muncie, IN 47303, USA
| | - Quinton Quagliano
- Department of Educational Psychology, Ball State University, 2000 W. University Ave., Muncie, IN 47303, USA
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Revisiting uncertainty as a felt sense of unsafety: The somatic error theory of intolerance of uncertainty. J Behav Ther Exp Psychiatry 2023; 79:101827. [PMID: 36512913 DOI: 10.1016/j.jbtep.2022.101827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 11/24/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022]
Abstract
Intolerance of uncertainty (IU) has gained widespread interest as a construct of broad interest from both transdiagnostic and trans-situational perspectives. We have approached this article inspired by the curiosity, clinical observation, consideration of different theoretical perspectives, speculation, optimism and indeed fun that can be seen in S. J. Rachman's work. We address some of what we know about IU before considering one way of conceptualizing IU from the standpoint of a felt sense or embodied experience. In the first part, we start with Woody and Rachman's (1994) observations of people with GAD. Second, we consider some key findings from the literature. Third, we consider two important perspectives on uncertainty, namely, Brosschot et al.'s (2016, 2018) influential Generalized Unsafety Theory of Stress and uncertainty as an emotion. In the second part, backing our clinical hunch about the importance of the felt sense of uncertainty, we consider IU from the perspective of interoception and the somatic error theory of anxiety (Khalsa & Feinstein, 2018). We propose the somatic error theory of intolerance of uncertainty, which places the experience of uncertainty at the heart of our understanding of intolerance of uncertainty. This is followed by predictions, unresolved questions, and potential clinical implications. Finally, we revisit Woody and Rachman's (1994) suggestions for treatment as internalizing "a sense of safety in a range of circumstances (p. 750)" and update this from the perspective of the felt sense of uncertainty. We finish by suggesting that uncertainty can be tolerated, perhaps accepted, and even embraced.
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Szabo J, Koerner N, Carney CE. Social problem-solving attitudes and performance as a function of differences in trait and state worry. J Behav Ther Exp Psychiatry 2023; 78:101792. [PMID: 36435552 DOI: 10.1016/j.jbtep.2022.101792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 07/29/2022] [Accepted: 09/30/2022] [Indexed: 11/24/2022]
Abstract
BACKGROUND AND OBJECTIVES This study investigated problem-solving attitudes and state-dependent, performance-based problem-solving abilities of individuals with high trait worry as compared to those low in trait worry. Secondary objectives involved investigating the relationship between problem-solving effectiveness and processes hypothesized to influence worry and problem-solving (i.e., working memory, attentional control, emotional dysregulation, and concreteness of thought). METHODS A 2 (group: high worry, n = 68, vs. low worry, n = 66) X 2 (induction type: worry vs. neutral mentation) factorial design was employed to investigate the differential effects of state worry, and neutral mentation for comparison, on performance-based problem-solving effectiveness. Independent samples t-tests tested for group differences in self-reported problem-solving attitudes. Multiple regression analyses were used to investigate if aforementioned processes predict problem-solving effectiveness. RESULTS Previous findings that individuals with high trait worry endorse greater tendencies to self-report unconstructive problem-solving attitudes were replicated. Contrary to predictions, there were no significant within or between group differences on problem-solving performance. Concreteness of problem solutions was the only consistent predictor of problem-solving effectiveness. LIMITATIONS Study did not directly assess problem-solving for personal problems. CONCLUSIONS Disparities in self-appraisal may account for lack of worry-related performance differences. Findings suggest that when employing problem-solving interventions with a high worry population, emphasis should be placed on changing maladaptive problem attitudes. Nonclinical and clinical populations alike may benefit from incorporating training in concreteness in problem-solving therapy.
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Affiliation(s)
- Judit Szabo
- Department of Psychology, Toronto Metropolitan University, Canada
| | - Naomi Koerner
- Department of Psychology, Toronto Metropolitan University, Canada.
| | - Colleen E Carney
- Department of Psychology, Toronto Metropolitan University, Canada
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Mohammadi H, Afshar-Zanjani H, Goli F, Hasanzadeh Kashtli A, Abolmaali K. Role of Traumatic Events and Motivational Structure in Ambiguity Tolerance of Irritable Bowel Syndrome. Middle East J Dig Dis 2022; 14:452-461. [PMID: 37547504 PMCID: PMC10404106 DOI: 10.34172/mejdd.2022.307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Accepted: 05/11/2022] [Indexed: 08/08/2023] Open
Abstract
Background: The main purpose of this study was to delineate the role of motivational structure and traumatic events in the prediction of ambiguity tolerance in patients with irritable bowel syndrome (IBS). Methods: A total of 200 patients with the diagnosis of IBS, referred to the Shariati hospital in 2018, were enrolled using a correlational design and convenience sampling. All participants were asked to complete the ambiguity tolerance questionnaire, the life event checklist, and the personal concerns inventory. Data analysis was performed by Pearson correlation method and regression analysis test in SPSS software. Results: Findings showed that there was a significant relationship between traumatic events (r=- 0.66, P=0.01) and adaptive (r=0.24, P=0.01) and non-adaptive motivational structure (non-AMS) (r=- 0.10, P=0.01) with tolerance of ambiguity (P<0.05). With increasing non-AMS and with decreasing non-AMS and traumatic events, the tolerance of ambiguity is increased. Moreover, the motivational structure (adaptive and non-adaptive) and traumatic events could define and predict 43% of the variance in ambiguity tolerance. Conclusion: Thus, regarding the important role of motivational structure and traumatic events in predicting ambiguity tolerance in IBS patients, it is prudent to put emphasis on these measures to improve patients' overall health and probably alleviate symptoms and provide psychologic rehabilitation.
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Affiliation(s)
- Habibeh Mohammadi
- Psychosomatic Research Center, Isfahan University of Medical Sciences, Isfahan, Iran AND Tunekabon Branch, Islamic Azad University, Iran
| | - Hamid Afshar-Zanjani
- Department of Psychiatry, School of Medicine AND Psychosomatic Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Farzad Goli
- Faculty Instructor, Energy Medicine University, California, USA AND Danesh Tandorosti Institute, Isfahan, Iran
| | | | - Khadijeh Abolmaali
- Department of Psychology, Tehran North Branch, Islamic Azad University, Tehran, Iran
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Kumar S, Voracek M. The relationships of family income and caste-status with religiousness: Mediation role of intolerance of uncertainty. PLoS One 2022; 17:e0273174. [PMID: 36026518 PMCID: PMC9417042 DOI: 10.1371/journal.pone.0273174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 08/03/2022] [Indexed: 11/18/2022] Open
Abstract
The relationship between lower socioeconomic status (SES) and religiousness is well known; however, its (psychological mediation) mechanism is not clear. In the present study, we studied the mediation role of intolerance of uncertainty (IU; a personality measure of self-uncertainty) in the effect of SES on religiousness and its dimensions (i.e., believing, bonding, behaving, and belonging), in two different samples (students sample, N = 868, and community sample, N = 250), after controlling the effects of factors like age, sex, handedness, and self-reported risk-taking. The results showed that IU mediated the effects of lower family income and lower caste status (in students’ sample only) on religiousness and its dimensions; higher caste status had a direct effect on religiousness (and its dimensions), and; among the sub-factors of IU, only prospective IU affected religiousness. Thus, along with showing that IU is a mediator of the effects of lower family income and lower caste status on religiousness, the present study supports the contention that religiousness is a latent variable that varied factors can independently initiate. Moreover, the present study suggests a nuanced model of the relationship between the hierarchical caste system and religiousness.
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Affiliation(s)
- Sanjay Kumar
- Department of Psychology, D.A.V. College, Muzaffarnagar, India
- * E-mail: (SK); (MV)
| | - Martin Voracek
- Faculty of Psychology, Department of Cognition, Emotion, and Methods in Psychology, University of Vienna, Vienna¸ Austria
- * E-mail: (SK); (MV)
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Bartoszek G, Ranney RM, Curanovic I, Costello SJ, Behar E. Intolerance of uncertainty and information-seeking behavior: Experimental manipulation of threat relevance. Behav Res Ther 2022; 154:104125. [DOI: 10.1016/j.brat.2022.104125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 04/21/2022] [Accepted: 05/13/2022] [Indexed: 11/02/2022]
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Rook L, Mazza MC, Lefter I, Brazier F. Toward Linguistic Recognition of Generalized Anxiety Disorder. Front Digit Health 2022; 4:779039. [PMID: 35493530 PMCID: PMC9051024 DOI: 10.3389/fdgth.2022.779039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 03/21/2022] [Indexed: 11/21/2022] Open
Abstract
Background Generalized anxiety disorder (GAD) refers to extreme, uncontrollable, and persistent worry and anxiety. The disorder is known to affect the social functioning and well-being of millions of people, but despite its prevalence and burden to society, it has proven difficult to identify unique behavioral markers. Interestingly, the worrying behavior observed in GAD is argued to stem from a verbal linguistic process. Therefore, the aim of the present study was to investigate if GAD can be predicted from the language people use to put their anxious worries into words. Given the importance of avoidance sensitivity (a higher likelihood to respond anxiously to novel or unexpected triggers) in GAD, this study also explored if prediction accuracy increases when individual differences in behavioral avoidance and approach sensitivity are taken into account. Method An expressive writing exercise was used to explore whether GAD can be predicted from linguistic characteristics of written narratives. Specifically, 144 undergraduate student participants were asked to recall an anxious experience during their university life, and describe this experience in written form. Clinically validated behavioral measures for GAD and self-reported sensitivity in behavioral avoidance/inhibition (BIS) and behavioral approach (BAS), were collected. A set of classification experiments was performed to evaluate GAD predictability based on linguistic features, BIS/BAS scores, and a concatenation of the two. Results The classification results show that GAD can, indeed, be successfully predicted from anxiety-focused written narratives. Prediction accuracy increased when differences in BIS and BAS were included, which suggests that, under those conditions, negatively valenced emotion words and words relating to social processes could be sufficient for recognition of GAD. Conclusions Undergraduate students with a high GAD score can be identified based on their written recollection of an anxious experience during university life. This insight is an important first step toward development of text-based digital health applications and technologies aimed at remote screening for GAD. Future work should investigate the extent to which these results uniquely apply to university campus populations or generalize to other demographics.
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Zainal NH, Newman MG. Curiosity helps: Growth in need for cognition bidirectionally predicts future reduction in anxiety and depression symptoms across 10 years. J Affect Disord 2022; 296:642-652. [PMID: 34627855 PMCID: PMC8759714 DOI: 10.1016/j.jad.2021.10.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/30/2021] [Accepted: 10/03/2021] [Indexed: 12/16/2022]
Abstract
INTRODUCTION Decreased motivational tendency to seek out, engage in, and enjoy investing in complex cognitive processes in a sustained manner (need for cognition; NFC) may be a predictor and consequence of heightened anxiety and depression symptoms (ADS). However, the majority of investigations on this topic have been cross-sectional, which hinders causal inferences. METHODS The current study thus determined the within-person relations between NFC and ADS by using random intercept cross-lagged panel model (RI-CLPM) and bivariate dual latent change score (BLCS) approaches to separate between- and within-person effects. RI-CLPM and BLCS also present with advantages of adjusting for regression to the mean, baseline scores, autoregressive and lagged effects, and minimizing measurement error. Community-dwelling adults (n = 6750) completed the Mental Health Inventory-5 and trait-level NFC scales approximately every one year across 10 years. RESULTS RI-CLPM showed that within persons, lower level of NFC predicted higher future level of ADS, and vice versa (d = -0.852 to -0.498). Likewise, BLCS demonstrated that within persons, smaller change in NFC forecasted larger subsequent increase in ADS, and conversely (d = -0.631 to -0.519). Findings remained after adjusting for socio-demographic covariates. CONCLUSION Consistent with theories, findings suggested that the within-person level-to-future level and change-to-future change relations among NFC and ADS were bi-directional and negative, with moderate-to-large effect sizes. Targeting NFC may treat or prevent the emergence of depression and anxiety disorders. Such efforts may include augmenting or personalizing evidence-based cognitive-behavioral therapeutic strategies for individuals with or at-risk for heightened ADS.
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Affiliation(s)
- Nur Hani Zainal
- Harvard Medical School - Massachusetts General Hospital, The Pennsylvania State University, National University of Singapore.
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10
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Bijsterbosch JM, Keizer A, Boelen PA, van den Brink F, Danner UN, Sternheim LC. How deep is your thought? The relations between intolerance of uncertainty, worry and weight and shape concerns in adolescent girls with anorexia nervosa. J Eat Disord 2021; 9:164. [PMID: 34930469 PMCID: PMC8686596 DOI: 10.1186/s40337-021-00523-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 12/10/2021] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Inherent to anorexia nervosa are repetitive thoughts about weight and shape. Growing research suggests the relevance of intolerance of uncertainty and worry in maintaining these types of repetitive thoughts. The relation between these cognitive processes and weight and shape concerns in adolescent girls with anorexia nervosa is understudied. This study investigated associations between prospective (desire for predictability) and inhibitory (uncertainty paralysis) intolerance of uncertainty, and weight and shape concerns and the mediating role of worry in these associations. METHODS In a cross-sectional study, 93 adolescent girls with anorexia nervosa completed questionnaires measuring the variables of interest. A mediation model with worry as a mediator between inhibitory and prospective intolerance of uncertainty and weight and shape concerns was tested. RESULTS A total and direct effect of inhibitory intolerance of uncertainty on weight and shape concerns was found. Worry did not mediate this relation. CONCLUSIONS These results confirm the importance of inhibitory intolerance of uncertainty in adolescent girls with anorexia nervosa, more specifically to weight and shape concerns. This group may benefit from intervention strategies targeting intolerance of uncertainty. General worry seems less relevant to weight and shape concerns in adolescent girls with anorexia nervosa. Adolescent girls with anorexia nervosa often experience repetitive thoughts about weight and shape. Growing research suggests the relevance of intolerance of uncertainty and worry in maintaining these types of repetitive thoughts. Intolerance of uncertainty is defined as the incapacity to tolerate uncertainty and is often divided into two components; prospective intolerance of uncertainty (desire for predictability) and inhibitory intolerance of uncertainty (uncertainty paralysis). The relation between intolerance of uncertainty, worry and weight and shape concerns in adolescent girls with anorexia nervosa is understudied. This study aims to investigate study relations between prospective and inhibitory intolerance of uncertainty, worry, and weight and shape concerns. A total of 93 adolescent girls with anorexia nervosa completed three questionnaires, measuring prospective and inhibitory intolerance of uncertainty worry, and weight and shape concerns, respectively. The results of this study confirmed the importance of inhibitory intolerance of uncertainty in adolescent girls with anorexia nervosa, more specifically to weight and shape concerns. This group may benefit from intervention strategies targeting intolerance of uncertainty. General worry seems less relevant to weight and shape concerns in adolescent girls.
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Affiliation(s)
- Jojanneke M Bijsterbosch
- Department of Clinical Psychology, Utrecht University, PO Box 80140, 3508 TC, Utrecht, The Netherlands.
| | - Anouk Keizer
- Department of Experimental Psychology, Utrecht University, Utrecht, The Netherlands
| | - Paul A Boelen
- Department of Clinical Psychology, Utrecht University, PO Box 80140, 3508 TC, Utrecht, The Netherlands
- ARQ National Psychotrauma Centre, Diemen, The Netherlands
- ARQ Centrum'45, Diemen, The Netherlands
| | - Femke van den Brink
- Department of Clinical Psychology, Utrecht University, PO Box 80140, 3508 TC, Utrecht, The Netherlands
| | - Unna N Danner
- Department of Clinical Psychology, Utrecht University, PO Box 80140, 3508 TC, Utrecht, The Netherlands
- Rintveld Center for Eating Disorders, Altrecht, Zeist, The Netherlands
| | - Lot C Sternheim
- Department of Clinical Psychology, Utrecht University, PO Box 80140, 3508 TC, Utrecht, The Netherlands
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Appel H, Englich B, Burghardt J. "I Know What I Like" - Indecisiveness Is Unrelated to Behavioral Indicators of Evaluation Difficulties. Front Psychol 2021; 12:710880. [PMID: 34603135 PMCID: PMC8481952 DOI: 10.3389/fpsyg.2021.710880] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 08/23/2021] [Indexed: 12/05/2022] Open
Abstract
Indecisiveness, the subjective inability to make satisfying decisions, is an individual difference trait that may impede effective actions. Mechanisms underlying indecisiveness are largely unknown. In four studies, we tested the prediction that indicators of evaluation difficulty were associated with indecisiveness in simple evaluations. Across studies, indecisiveness was measured via self-report while evaluation difficulties were derived behaviorally from three indicators: difficulty distinguishing between similar evaluation objects (i.e., standard deviation of evaluation ratings), evaluation duration (reaction times), and implicit evaluations (evaluative priming effect) using familiar everyday objects. Study 1 (N = 151) was based on attractiveness evaluations of portraits. Studies 2a (N = 201) and 2b (N = 211) used chocolate as evaluation objects and manipulated to what extent the evaluations were equivalent to a decision. In Study 3 (N = 80) evaluations were measured implicitly through evaluative priming using food pictures. Contrary to our predictions, indecisiveness showed no reliable association to any indicator of evaluation difficulty, regardless of type of evaluation object, equivalence of evaluation and decision, and whether evaluation difficulty was based on explicit or implicit evaluations. All null findings were supported by Bayes factors. These counterintuitive results are a first step toward investigating evaluation processes as potential mechanisms underlying indecisiveness, showing that for both explicit and implicit measurements, indecisiveness is not characterized by difficulties when evaluating familiar everyday objects.
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Affiliation(s)
- Helmut Appel
- Institute of Applied Social Psychology and Decision Making, University of Cologne, Cologne, Germany
| | - Birte Englich
- Institute of Applied Social Psychology and Decision Making, University of Cologne, Cologne, Germany
| | - Juliane Burghardt
- Division of Clinical Psychology, Karl Landsteiner University of Health Sciences, Krems an der Donau, Austria.,Department of Social Psychology, Universität Hamburg, Hamburg, Germany
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Millroth P, Frey R. Fear and anxiety in the face of COVID-19: Negative dispositions towards risk and uncertainty as vulnerability factors. J Anxiety Disord 2021; 83:102454. [PMID: 34298237 PMCID: PMC8426312 DOI: 10.1016/j.janxdis.2021.102454] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 05/24/2021] [Accepted: 07/09/2021] [Indexed: 12/01/2022]
Abstract
In the face of the COVID-19 pandemic it is important to identify factors that make people particularly vulnerable of developing mental-health issues in order to provide case-specific treatments. In this article, we examine the roles of two psychological constructs - originally put forth in the behavioral decision sciences - in predicting interindividual differences in fear responses: general risk aversion (GRA) and intolerance of uncertainty (IU). We first provide a review of these constructs and illustrate why they may play important roles in shaping anxiety-related disorders. Thereafter we present an empirical study that collected survey data from 550 U.S. residents, comprising self-assessments of dispositions towards risk and uncertainty, anxiety- and depression levels, as well as demographic variables - to thus test the extent to which these psychological constructs are predictive of strong fear responses related to COVID-19 (i.e., mortal fear, racing heart). The results from Bayesian multi-model inference analyses showed that GRA and IU were more powerful predictors of fear responses than demographic variables. Moreover, the predictive power of these constructs was independent of general anxiety- and depression levels. Subsequent mediation analyses showed that the effects of GRA and IU were both direct and indirect via anxiety. We conclude by discussing possible treatment options, but also highlight that future research needs to further examine causal pathways and conceptual overlaps.
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Cupid J, Stewart KE, Sumantry D, Koerner N. Feeling safe: Judgements of safety and anxiety as a function of worry and intolerance of uncertainty. Behav Res Ther 2021; 147:103973. [PMID: 34607250 DOI: 10.1016/j.brat.2021.103973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 08/29/2021] [Accepted: 09/23/2021] [Indexed: 10/20/2022]
Abstract
Safety perspectives of generalized anxiety disorder (GAD) propose that safety perception is critical to regulating anxiety. Reduced safety processing may contribute to persistent worry and anxiety that extend to recognizably safe contexts. We explored whether individuals higher in worry and intolerance of uncertainty (IU), central characteristics of GAD, display poorer recognition and use of safety cues, and whether safety perception is related to anxiety. One hundred and eighty-two adults were presented with unfolding potentially threatening scenarios, half of which contained safety information. Participants rated how safe and anxiety-provoking each scenario was as they received new information, as well as overall. Using multilevel modeling, results showed that individuals higher in worry and IU recognize safety information and use it to appraise the safety of a situation. A moderate correlation between safety and anxiety ratings, and inconsistent correspondence between ratings of safety and anxiety, suggest this relationship is complicated by additional factors. Individuals higher in worry and IU may have difficulty accepting their safety appraisals in order to inhibit their anxiety. The implications of the findings and future avenues of research are discussed.
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Affiliation(s)
- Justice Cupid
- Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada.
| | - Kathleen E Stewart
- Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada.
| | - David Sumantry
- Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada.
| | - Naomi Koerner
- Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada.
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Ren L, Wei Z, Li Y, Cui LB, Wang Y, Wu L, Wei X, Peng J, Li K, Jin Y, Li F, Yang Q, Liu X. The relations between different components of intolerance of uncertainty and symptoms of generalized anxiety disorder: a network analysis. BMC Psychiatry 2021; 21:448. [PMID: 34507563 PMCID: PMC8431915 DOI: 10.1186/s12888-021-03455-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 08/25/2021] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Intolerance of uncertainty (IU) is considered as a specific risk factor in the development and maintenance of generalized anxiety disorder (GAD). Yet, researches have investigated the relations between IU and GAD (or worry) using total scores on self-report measures. This ignores that there are different components exist in IU and the heterogeneity of GAD symptoms. In the present study, we explored the relations among different components of IU and symptoms of GAD. METHODS A dimensional approach which take individual differences into consideration in different components of IU along a full range of normal to abnormal symptom severity levels of GAD were used in this study. Components of IU were measured by 12-item Intolerance of Uncertainty Scale and symptoms of GAD were measured by Generalized Anxiety Disorder 7-Item Questionnaire. Regularized partial-correlation network was estimated using cross-sectional data from 624 university students. RESULTS Four strongest edges are between components of IU, like "Unforeseen events upset me greatly" and "It frustrates me not having all the information I need". Two strongest edges are between symptoms of GAD, like "Being so restless that it is hard to sit still" and "Feeling afraid as if something awful might happen". Symptom "Worrying too much about different things" and component "It frustrates me not having all the information I need" have the highest expected influences in the present network. In the community of IU, component "It frustrates me not having all the information I need" has the highest bridge expected influence. And in the community of GAD, symptoms "Worrying too much about different things" and "Not being able to stop or control worrying" have the highest bridge expected influence. CONCLUSIONS This study reveals potential pathways between different components of IU and various symptoms of GAD. Understanding how putative risk factors such as different components of IU are related to symptoms of GAD may provide some references for related preventions and interventions, such as targeting component "It frustrates me not having all the information I need" may be more effective at reducing symptoms of GAD than targeting other components of IU.
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Affiliation(s)
- Lei Ren
- grid.233520.50000 0004 1761 4404Department of Military Medical Psychology, Air Force Medical University, Xi’an, 710032 China
| | - Zihan Wei
- grid.233520.50000 0004 1761 4404Department of Neurology, Xijing Hospital, Air Force Medical University, Xi’an, 710032 China
| | - Ye Li
- grid.460132.20000 0004 1758 0275Psychological counseling center, Xijing University, Xi’an, 710100 China
| | - Long-Biao Cui
- grid.233520.50000 0004 1761 4404Department of Military Medical Psychology, Air Force Medical University, Xi’an, 710032 China
| | - Yifei Wang
- grid.233520.50000 0004 1761 4404Department of Military Medical Psychology, Air Force Medical University, Xi’an, 710032 China
| | - Lin Wu
- grid.233520.50000 0004 1761 4404Department of Military Medical Psychology, Air Force Medical University, Xi’an, 710032 China
| | - Xinyi Wei
- grid.24539.390000 0004 0368 8103Department of Psychology, Renmin University of China, Beijing, 100000 China
| | - Jiaxi Peng
- grid.411292.d0000 0004 1798 8975College of Teachers, Chengdu University, Chengdu, 610106 China
| | - Kuiliang Li
- grid.410570.70000 0004 1760 6682Department of Psychology, Army Medical University, Chongqing, 400038 China
| | - Yinchuan Jin
- grid.233520.50000 0004 1761 4404Department of Military Medical Psychology, Air Force Medical University, Xi’an, 710032 China
| | - Fengzhan Li
- grid.233520.50000 0004 1761 4404Department of Military Medical Psychology, Air Force Medical University, Xi’an, 710032 China
| | - Qun Yang
- Department of Military Medical Psychology, Air Force Medical University, Xi'an, 710032, China.
| | - Xufeng Liu
- Department of Military Medical Psychology, Air Force Medical University, Xi'an, 710032, China.
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15
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Petrocchi S, Iannello P, Ongaro G, Antonietti A, Pravettoni G. The interplay between risk and protective factors during the initial height of the COVID-19 crisis in Italy: The role of risk aversion and intolerance of ambiguity on distress. CURRENT PSYCHOLOGY 2021; 41:437-448. [PMID: 33776380 PMCID: PMC7978462 DOI: 10.1007/s12144-021-01601-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/10/2021] [Indexed: 12/21/2022]
Abstract
The present study aimed to test a model of relations to ascertain the determinants of distress caused by lockdown for COVID-19. It was hypothesized that the exposure to the COVID-19 increased distress directly and through the mediation of worry, health-related information seeking, and perception of the utility of the lockdown. It was also expected that higher levels of ambiguity intolerance corresponded to higher distress directly and through the mediation of worry, health information seeking behaviors, and perceived utility of the lockdown. Finally, it was expected that risk aversion positively influenced distress directly and through the increasing of worry, health-related information seeking behavior, and more positive perception of the utility of the lockdown The study was conducted in Italy during the mandatory lockdown for COVID-19 pandemic on 240 individuals (age range 18-76). Data recruitment was conducted via snowball sampling. COVID-19 exposure was positively associated with worry and health-related information seeking. Risk-aversion was positively associated with health-related information seeking and perceived utility of the lockdown to contain the spread of the virus. Worry and health-related information seeking were positively associated with distress, whereas the perceived utility of the lockdown was negatively associated with distress. Intolerance for the ambiguity was directly linked to distress with a positive sign. Findings suggest that risk aversion represents both a risk factor and a protective factor, based on what kind of variable mediates the relationship with distress, and that the intolerance to the ambiguity is a risk factor that busters distress.
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Affiliation(s)
- S. Petrocchi
- Applied Research Division for Cognitive and Psychological Science, European Institute of Oncology IRCCS, Via Ripamonti, 435, 20132 Milan, MI Italy
| | - P. Iannello
- Department of Psychology, Catholic University of the Sacred Heart, Milan, Italy
| | - G. Ongaro
- Applied Research Division for Cognitive and Psychological Science, European Institute of Oncology IRCCS, Via Ripamonti, 435, 20132 Milan, MI Italy
- Department of Oncology and Hemato–Oncology (DIPO), University of Milan, Milan, Italy
| | - A. Antonietti
- Department of Psychology, Catholic University of the Sacred Heart, Milan, Italy
| | - G. Pravettoni
- Applied Research Division for Cognitive and Psychological Science, European Institute of Oncology IRCCS, Via Ripamonti, 435, 20132 Milan, MI Italy
- Department of Oncology and Hemato–Oncology (DIPO), University of Milan, Milan, Italy
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16
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Lauderdale SA, Oakes K. Factor Structure of the Revised Indecisiveness Scale and Association with Risks for and Symptoms of Anxiety, Depression, and Attentional Control. JOURNAL OF RATIONAL-EMOTIVE AND COGNITIVE-BEHAVIOR THERAPY 2020. [DOI: 10.1007/s10942-020-00372-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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17
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Assessing a domain-specific risk-taking construct: A meta-analysis of reliability of the DOSPERT scale. JUDGMENT AND DECISION MAKING 2020. [DOI: 10.1017/s193029750000694x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
AbstractThe DOSPERT scale has been used extensively to understand individual differences in risk attitudes across varying decision domains since 2002. The present study reports a reliability generalization meta-analysis to summarize the internal consistency of both the initial and the revised versions of DOSPERT. It also examined factors that can influence the reliability of the DOSPERT and its subscales. A total of 104 samples (N = 30,109) that reported 465 coefficient alphas were analyzed. Results of meta-regression models showed that the overall coefficient alpha of the DOSPERT total scores was satisfactory, regardless of the scale and study characteristics. Coefficient alphas varied significantly across domain subscales, with values ranging from .68 for the social domain to .80 for the recreational domain. In addition, the alpha coefficients of subscales varied significantly depending on various study characteristics. Finally, we report the meta-analysis of the intercorrelations among DOSPERT subscales and reveal that intercorrelations among the subscales are heterogeneous. We discuss the theoretical implications of the present findings.
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18
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Toozandehjani H, Beheshtian E, Saffarian Tousi M. Comparison of modular cognitive-behavioral therapy and behavioral activation on the intolerance of uncertainty in students with generalized anxiety disorder. JOURNAL OF NURSING AND MIDWIFERY SCIENCES 2020. [DOI: 10.4103/jnms.jnms_29_19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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19
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The impact of methodological and measurement factors on transdiagnostic associations with intolerance of uncertainty: A meta-analysis. Clin Psychol Rev 2019; 73:101778. [PMID: 31678816 DOI: 10.1016/j.cpr.2019.101778] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 08/04/2019] [Accepted: 08/20/2019] [Indexed: 01/12/2023]
Abstract
Intolerance of uncertainty is a dispositional trait associated with a range of psychological disorders, but the influence of methodological factors on theses associations remains unknown. The first aim of this meta-analysis was to quantify the strengths of the association between IU and symptoms of generalised anxiety disorder, social anxiety disorder, panic disorder, agoraphobia, obsessive compulsive disorder, depression, and eating disorders. The second aim was to assess the influence of methodological factors on these relationships, including clinical (vs. non-clinical) status, age group, sex, IU measure, and symptom measure. We extracted 181 studies (N participants = 52,402) reporting 335 independent effect sizes (Pearson's r). Overall, there was a moderate association between IU and symptoms (r = 0.51, 95% CI = 0.50-0.52), although heterogeneity was high (I2 = 83.50, p < .001). Some small but significant moderator effects emerged between and within disorders. Effect sizes were not impacted by sample size. The results indicate that IU has robust, moderate associations with a range of disorder symptoms, providing definitive evidence for the transdiagnostic nature of IU.
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20
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Development and Initial Validation of the Schedule for Nonadaptive and Adaptive Personality Brief Other-Description Rating Form (SNAP-BORF). JOURNAL OF PSYCHOPATHOLOGY AND BEHAVIORAL ASSESSMENT 2019. [DOI: 10.1007/s10862-019-09729-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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21
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Bottesi G, Noventa S, Freeston MH, Ghisi M. Seeking certainty about Intolerance of Uncertainty: Addressing old and new issues through the Intolerance of Uncertainty Scale-Revised. PLoS One 2019; 14:e0211929. [PMID: 30742694 PMCID: PMC6370219 DOI: 10.1371/journal.pone.0211929] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 01/24/2019] [Indexed: 01/30/2023] Open
Abstract
Intolerance of Uncertainty is a trans-diagnostic process that spans a range of emotional disorders and it is usually measured through the Intolerance of Uncertainty Scale-12. The current study aims at investigating some issues in the assessment of Intolerance of Uncertainty (IU) through the Italian Intolerance of Uncertainty Scale-Revised, a measure adapted from the Intolerance of Uncertainty Scale-12 to assess IU across the lifespan. In particular we address the factor structure among a large community sample, measurement invariance across gender, age, and over time, together with reliability and validity of the overall scale and its subscales. The questionnaire was administered to community (N = 761; mean age = 35.86 ± 14.01 years) and undergraduate (N = 163; mean age = 21.16 ± 2.64 years) participants, together with other self-report measures assessing constructs theoretically related to IU. The application of a bifactor model shows that the Italian Intolerance of Uncertainty Scale-Revised possesses a robust general factor, thus supporting the use of the unit-weighted total score of the questionnaire as a measure of the construct. Furthermore, measurement invariance across gender, age, and over time is supported. Finally, the Italian Intolerance of Uncertainty Scale-Revised appears to possess adequate reliability and validity. These findings support the unidimensionality of the measure, a conceptually reasonable result in line with the trans-diagnostic nature of Intolerance of Uncertainty. In addition, this study and comparison with published factor structures of the Intolerance of Uncertainty Scale-12 and of the Intolerance of Uncertainty Scale-Revised identify some issues for the internal structure of the measure. In particular, concern is expressed for the Prospective IU subscale. In light of the promising psychometric properties, the use of the Italian Intolerance of Uncertainty Scale-Revised as a univocal measure is encouraged in both research and clinical practice.
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Affiliation(s)
- Gioia Bottesi
- Department of General Psychology, University of Padova, Padova, Italy
- * E-mail:
| | | | - Mark H. Freeston
- School of Psychology, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Marta Ghisi
- Department of General Psychology, University of Padova, Padova, Italy
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22
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Abstract
This study examined the role of social support in managing worry among a sample of Malaysian adults. An online questionnaire was completed by 136 participants (age M = 34, SD = 7.65; 71% female, 29% male). Each wrote open-ended, essay-type descriptions of their experiences with social support in relation to worry, as well as completing measures of pathological worry (Penn State Worry Questionnaire), normal worry (Worry Domains Questionnaire), and perceived social support (Multidimensional Scale of Perceived Social Support). Results indicated that young adults experienced a higher degree of normal worry compared to older adults, but pathological worry was not significantly different between the two groups. No significant differences in worry were found in relation to gender, ethnicity or marital status. Perceived social support was negatively related to levels of both normal and pathological worry. Qualitative analyses pointed towards four important roles for social support: providing a sense of belonging and security, providing emotional relief or catharsis, helping to reappraise situations, and facilitating problem-solving and decision-making. The role of social support as a secure base that facilitates emotion management and helps to ground thinking is discussed.
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Malivoire BL, Marcos M, Pawluk EJ, Tallon K, Kusec A, Koerner N. Look before you leap: the role of negative urgency in appraisals of ambiguous and unambiguous scenarios in individuals high in generalized anxiety disorder symptoms. Cogn Behav Ther 2018; 48:217-240. [PMID: 30230425 DOI: 10.1080/16506073.2018.1508247] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Negative interpretation bias, the propensity to make threatening interpretations of ambiguous information, is associated with symptoms of generalized anxiety disorder (GAD). Apart from its relationship with intolerance of uncertainty (IU), little is known about what explains the presence of this cognitive bias in GAD. One factor may be negative urgency (NU), the tendency to take rash action when distressed, which is related to GAD symptoms and to cognitive biases in nonclinical populations. The aim of the present study was to examine the relationship between NU and interpretation bias in individuals high in GAD symptoms (N = 111). IU, trait anxiety, and other forms of impulsivity were examined concurrently as competing correlates of interpretation bias. Greater NU and IU were found to be unique correlates of greater threatening interpretations of ambiguous scenarios. Greater NU was also a unique correlate of greater threatening interpretations of negative and positive scenarios. No other forms of impulsivity were uniquely related to interpretation bias. The findings suggest that greater NU may have a role in the tendency for individuals high in GAD symptoms to make threatening interpretations in response to ambiguous scenarios, overtly threatening situations, and situations without indication of threat or danger. Theoretical implications of these findings are discussed.
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Affiliation(s)
| | - Michelle Marcos
- a Department of Psychology , Ryerson University , Toronto , Canada
| | | | - Kathleen Tallon
- a Department of Psychology , Ryerson University , Toronto , Canada
| | - Andrea Kusec
- a Department of Psychology , Ryerson University , Toronto , Canada
| | - Naomi Koerner
- a Department of Psychology , Ryerson University , Toronto , Canada
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24
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Lauderdale SA, Martin KJ, Moore J. Aversive Indecisiveness Predicts Risks for and Symptoms of Anxiety and Depression Over Avoidant Indecisiveness. JOURNAL OF RATIONAL-EMOTIVE AND COGNITIVE-BEHAVIOR THERAPY 2018. [DOI: 10.1007/s10942-018-0302-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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25
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Gillett CB, Bilek EL, Hanna GL, Fitzgerald KD. Intolerance of uncertainty in youth with obsessive-compulsive disorder and generalized anxiety disorder: A transdiagnostic construct with implications for phenomenology and treatment. Clin Psychol Rev 2018; 60:100-108. [DOI: 10.1016/j.cpr.2018.01.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Revised: 12/12/2017] [Accepted: 01/31/2018] [Indexed: 12/15/2022]
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26
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Kesby A, Maguire S, Brownlow R, Grisham JR. Intolerance of Uncertainty in eating disorders: An update on the field. Clin Psychol Rev 2017; 56:94-105. [PMID: 28710918 DOI: 10.1016/j.cpr.2017.07.002] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Revised: 07/03/2017] [Accepted: 07/04/2017] [Indexed: 01/12/2023]
Abstract
Pathological fear and anxiety regarding food, eating, weight and body shape are at the core of eating disorder (ED) psychopathology. To manage anxiety, patients develop complicated repertoires of ritualistic and repetitive behaviours, which can lead to total functional impairment. Yet the cognitive processes underlying anxiety, fear, and anxiety-driven behaviours in EDs remain poorly understood. Intolerance of Uncertainty (IU) is defined as a tendency to react negatively on an emotional, cognitive, and behavioural level to uncertain situations and events. There is substantial evidence that IU is a transdiagnostic process that contributes to the maintenance of anxiety disorders; however, IU may also be relevant to the understanding and treatment of EDs. The current review summarises the growing literature examining IU in relation to ED symptoms, including restriction, bingeing, purging, ritualised behaviours, reassurance-seeking and body checking. Extending from the obsessive-compulsive disorder (OCD) and anxiety disorder literature, we propose that IU provides a novel theoretical and clinical framework from which to understand the anxiety, fixation with rules and rituals, and the cognitively rigid profile that is characteristic of ED presentations. We conclude with suggestions for future research, and discuss IU as a potential treatment target for core features of EDs and comorbid symptoms.
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Affiliation(s)
- Alice Kesby
- School of Psychology, UNSW Australia, Sydney, NSW, Australia.
| | - Sarah Maguire
- Boden Institute, University of Sydney, Sydney, NSW, Australia
| | - Rachel Brownlow
- Boden Institute, University of Sydney, Sydney, NSW, Australia
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