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Servera M, Sáez B, Burns GL, Becker SP. Clinical differentiation of sluggish cognitive tempo and attention-deficit/hyperactivity disorder in children. JOURNAL OF ABNORMAL PSYCHOLOGY 2018; 127:818-829. [PMID: 30265014 PMCID: PMC6237634 DOI: 10.1037/abn0000375] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
This study (a) determined whether clinical elevations of sluggish cognitive tempo (SCT) and attention-deficit/hyperactivity disorder (ADHD) symptom distributions in a large community sample of children would allow for identifying SCT-only, ADHD-only, and SCT + ADHD clinical groups; (b) examined co-occurrence of clinically elevated SCT and ADHD; (c) evaluated whether these clinical groups differed in their gender distribution, co-occurring mental health symptoms, or impairment in academic and social functioning; and (d) explored patterns of independence and overlap when clinically elevated depressive symptoms were considered in tandem with SCT and ADHD. Participants were mothers, fathers, and teachers of 2,142 children (50.51% boys, ages 8-13 years) from 32 schools in Spain. All three groups of informants completed measures of SCT, ADHD, oppositional defiant disorder (ODD), anxiety, depression, shyness, social impairment, and academic impairment. Cut-off scores for the top 5% of the sample were used to create SCT-only, ADHD-only, SCT + ADHD, and comparison groups. Across informants, 4.97%-5.53% met criteria for clinically elevated ADHD-only, and 2.30%-2.80% met criteria for clinically elevated SCT-only; 27%-35% of the ADHD group also met the criteria for the SCT group, whereas 44%-54% of the SCT group met the criteria for the ADHD group (primarily based on inattentive symptoms). The ADHD-only group had higher ODD scores than the SCT-only group, whereas the SCT-only group generally had higher shyness and internalizing scores (particularly depression) than the ADHD-only group. Additional analyses that also included clinically elevated depression revealed that 28-46% of the children with elevated SCT had elevations in neither ADHD nor depression. This study moves the field toward examining both the empirical and clinical differentiation of SCT and ADHD. Findings are discussed regarding how SCT may fit in diagnostic nosologies and models of psychopathology. (PsycINFO Database Record (c) 2018 APA, all rights reserved).
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Arias VB, Arias B, Burns GL, Servera M. Invariance of parent ratings of attention deficit hyperactivity disorder symptoms for children with and without intellectual disability. JOURNAL OF APPLIED RESEARCH IN INTELLECTUAL DISABILITIES 2018; 32:288-299. [PMID: 30156358 DOI: 10.1111/jar.12525] [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: 04/08/2018] [Revised: 08/06/2018] [Accepted: 08/07/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND Although attention deficit hyperactivity disorder (ADHD) is considered a valid diagnosis for children with intellectual disability, no studies have evaluated the invariance of ADHD symptom ratings across children with and without intellectual disability. METHOD Parents completed ratings on the ADHD symptoms for 189 children with intellectual disability and for 474 children without intellectual disability. Differential item functioning analysis was used to determine the equivalence of the ADHD symptoms across the two groups. RESULTS The symptoms loses things, talks too much, and blurts out answers showed significant bias against children with intellectual disability. The prevalence of ADHD in children with intellectual disability was 18% (according to the symptom criterion), and 7.4% when the academic and/or social impairment criterion was also considered. CONCLUSIONS Most of the ADHD symptoms can be valid for the assessment of ADHD in children with mild and moderate intellectual disability. ADHD symptoms may be used in further studies to establish base rates of the disorder in the intellectual disability population.
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Garreta E, Jimeno T, Servera M. Analysis of the effectiveness of a training program for parents of children with ADHD in a hospital environment. ACTAS ESPANOLAS DE PSIQUIATRIA 2018; 46:21-28. [PMID: 29417978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Accepted: 01/01/2018] [Indexed: 06/08/2023]
Abstract
INTRODUCTION Regarding the Attention Deficit Hyperactivity Disorder (ADHD), treatments combined with pharmacological, psychoeducational and parents training programs interventions are recommended. Parenting programs have been proven efficacy in the experimental area, but there is few data about their effectiveness and feasibility in the professional area. The objective of the study is to analyze the effectiveness of a parenting program implemented in a hospital setting to improve internalized and externalized behaviors as well as parenting styles in a sample of ADHD children. METHODOLOGY A training program for behavior management was applied to parents of 21 children with ADHD in a quasi-experimental pretest-posttest design, using measures from Child Behavior Checklist (CBCL) and Parenting Scale. RESULTS Post-treatment data showed significant improvements specially on emotional, anxiety and oppositional defiant disorder measures. A significant but moderate improvement was found on ADHD, and non-significant on conduct problem measure. Additionally, there were moderate but significant improvements in parenting styles. CONCLUSIONS Data support the effectiveness and feasibility of parent training programs for children with ADHD applied in hospital settings as they improve a large part of associated symptoms and parenting styles.
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Becker SP, Isaacson PA, Servera M, Sáez B, Burns GL. Mother-father agreement and one-year stability of children's sleep functioning. Sleep Med 2017; 36:29-34. [PMID: 28735917 DOI: 10.1016/j.sleep.2017.04.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 04/06/2017] [Accepted: 04/16/2017] [Indexed: 11/17/2022]
Abstract
OBJECTIVES To (1) evaluate mother-father agreement of total sleep problems and specific sleep problem domains and (2) examine the one-year stability of children's sleep functioning, including cross-rater stability. METHODS A community-based sample of 519 children (51% boys) in Spain was assessed in third grade and again 1 year later. At each time-point, both mothers and fathers provided ratings of sleep functioning using the Children's Sleep Habits Questionnaire (CSHQ). RESULTS Sleep scores did not differ between mothers' and fathers' ratings. Cross-sectionally (at both time-points) and longitudinally (from grade 3 to grade 4), strong agreement was found between mothers' and fathers' ratings of total sleep problems, sleep habits, night wakings, and parasomnias. Lower agreement was found for daytime sleepiness and sleep onset delay. There was large effect size stability for both mothers' and fathers' ratings over the one-year period on the total sleep disturbance scale and most sleep subscales. CONCLUSIONS This study provides the first evidence of strong mother-father agreement on subjective ratings of children's sleep functioning, both concurrently and over a one-year period, for overall sleep problems and certain sleep domains. However, agreement was far from identical, and further studies are needed to evaluate reasons for discrepancy and whether mother-father discrepancy in sleep functioning predicts children's functioning. More studies are needed that systematically include both mothers' and fathers' perspectives regarding children's sleep.
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Belmar M, Servera M, Becker SP, Burns GL. Validity of Sluggish Cognitive Tempo in South America: An Initial Examination Using Mother and Teacher Ratings of Chilean Children. J Atten Disord 2017; 21:667-672. [PMID: 26246587 PMCID: PMC6563936 DOI: 10.1177/1087054715597470] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To examine the validity of sluggish cognitive tempo (SCT) and ADHD-inattention (ADHD-IN) symptoms in children from Chile. METHOD Mothers and teachers rated SCT, ADHD-IN, ADHD-hyperactivity/impulsivity (ADHD-HI), oppositional defiant disorder (ODD), anxiety, depression, academic impairment, social impairment, and peer rejection (teachers only) in 652 Chilean children (55% boys) aged 6 to 14 years. RESULTS For both mother and teacher ratings, the eight SCT symptoms and nine ADHD-IN symptoms showed substantial loadings on their respective factors (convergent validity) along with loadings close to zero on the alternative factor (discriminant validity). ADHD-IN showed a uniquely stronger relationship than SCT with ADHD-HI and ODD whereas SCT showed a uniquely stronger relationship than ADHD-IN with anxiety and depression. Although ADHD-IN uniquely predicted academic impairment and social difficulties, SCT did not. CONCLUSION This study provides the first evidence for the validity of SCT among children outside of North America or Western Europe.
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Fenollar Cortés J, Servera M, Becker SP, Burns GL. External Validity of ADHD Inattention and Sluggish Cognitive Tempo Dimensions in Spanish Children With ADHD. J Atten Disord 2017; 21:655-666. [PMID: 25189871 DOI: 10.1177/1087054714548033] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Few studies have examined whether separate dimensions of Sluggish Cognitive Tempo (SCT)-inconsistent alertness and slowness-have different external correlates from each other as well as symptoms of ADHD inattention (ADHD-IN). METHOD Participants were 131 Spanish children (ages 6-16; 72% boys) diagnosed with ADHD. RESULTS In regression analyses, ADHD-IN was positively associated with hyperactivity/impulsivity, conduct problems, defiance/aggression, anxiety, peer relations problems, and learning problems. SCT-inconsistent alertness was positively associated with hyperactivity/impulsivity and peer relations problems. In contrast, SCT-slowness was negatively associated with hyperactivity/impulsivity and conduct problems and positively associated with depression and learning problems. Results were consistent after controlling for depression, medication status, and sex. CONCLUSION The findings support SCT to be a construct with two dimensions that have unique correlates relative to each other as well as ADHD-IN. Future research on SCT should separate these dimensions of SCT to provide a better understanding of the construct.
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Seijas R, Servera M, García-Banda G, Barry CT, Burns GL. Evaluation of a four-item DSM-5 Limited Prosocial Emotions specifier scale within and across settings with Spanish children. Psychol Assess 2017; 30:474-485. [PMID: 28481576 DOI: 10.1037/pas0000496] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The objective was to evaluate a 4-item measure of the DSM-5 Limited Prosocial Emotions (LPE) specifier (a 4-item measure of prosocial emotions). Mothers, fathers, primary teachers, and ancillary teachers completed measures of prosocial emotions (PE), oppositional defiant disorder (ODD), attention-deficit/hyperactivity disorder (ADHD)-inattention (IN), ADHD-hyperactivity/impulsivity (HI), academic and social impairment on 811 Spanish first-grade children (46% girls). Confirmatory factor and structural regression analyses showed PE symptom scores to have (a) good reliability for the 4 sources (80% to 89% true score variance), (b) invariance of like-symptom loadings and intercepts across the 4 sources, (c) strong convergent and discriminant validity within home and school settings, (d) no convergent validity across settings, and (e) associations with academic and social impairment independent of the ODD dimension (the unique effects of PE also remained significant after controlling for ODD, ADHD-IN, and ADHD-HI for mothers and ancillary teachers). A graded response item response theory analysis indicated that PE scores provided an accurate measure of the PE trait across a wide trait range and especially at low PE trait levels (i.e., scores in the clinical range). Findings also supported the DSM-5 diagnostic criteria of 2 or more LPE symptoms in 2 or more settings (e.g., high levels of the LPE trait were associated with the occurrence of 2 or more symptoms with 4% of the sample showing 2 or more symptoms in both settings). Although additional studies are still required, the PE measure appears useful as a brief measure of the LPE specifier. (PsycINFO Database Record
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Isaacson PA, Burns GL, Sáez B, Servera M, Becker SP. 0990 MOTHER-FATHER AGREEMENT AND ONE-YEAR STABILITY OF CHILDREN’S SLEEP FUNCTIONING. Sleep 2017. [DOI: 10.1093/sleepj/zsx050.989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Burns GL, Becker SP, Servera M, Bernad MDM, García-Banda G. Sluggish cognitive tempo and attention-deficit/hyperactivity disorder (ADHD) inattention in the home and school contexts: Parent and teacher invariance and cross-setting validity. Psychol Assess 2017; 29:209-220. [PMID: 27148788 PMCID: PMC6526025 DOI: 10.1037/pas0000325] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This study examined whether sluggish cognitive tempo (SCT) and attention-deficit/hyperactivity disorder (ADHD) inattention (IN) symptoms demonstrated cross-setting invariance and unique associations with symptom and impairment dimensions across settings (i.e., home SCT and ADHD-IN uniquely predicting school symptom and impairment dimensions, and vice versa). Mothers, fathers, primary teachers, and secondary teachers rated SCT, ADHD-IN, ADHD-hyperactivity/impulsivity (HI), oppositional defiant disorder (ODD), anxiety, depression, academic impairment, social impairment, and peer rejection dimensions for 585 Spanish 3rd-grade children (53% boys). Within-setting (i.e., mothers, fathers; primary, secondary teachers) and cross-settings (i.e., home, school) invariance was found for both SCT and ADHD-IN. From home to school, higher levels of home SCT predicted lower levels of school ADHD-HI and higher levels of school academic impairment after controlling for home ADHD-IN, whereas higher levels of home ADHD-IN predicted higher levels of school ADHD-HI, ODD, anxiety, depression, academic impairment, and peer rejection after controlling for home SCT. From school to home, higher levels of school SCT predicted lower levels of home ADHD-HI and ODD and higher levels of home anxiety, depression, academic impairment, and social impairment after controlling for school ADHD-IN, whereas higher levels of school ADHD-IN predicted higher levels of home ADHD-HI, ODD, and academic impairment after controlling for school SCT. Although SCT at home and school was able to uniquely predict symptom and impairment dimensions in the other setting, SCT at school was a better predictor than ADHD-IN at school of psychopathology and impairment at home. Findings provide additional support for SCT's validity relative to ADHD-IN. (PsycINFO Database Record
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Bernad MDM, Servera M, Becker SP, Burns GL. Sluggish Cognitive Tempo and ADHD Inattention as Predictors of Externalizing, Internalizing, and Impairment Domains: A 2-Year Longitudinal Study. JOURNAL OF ABNORMAL CHILD PSYCHOLOGY 2017; 44:771-85. [PMID: 26278273 DOI: 10.1007/s10802-015-0066-z] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Although sluggish cognitive tempo (SCT) is distinct from attention-deficit/hyperactivity disorder inattention (ADHD-IN), few studies have examined whether SCT longitudinally predicts other symptom or impairment dimensions. This study used 4 sources (mothers, fathers, primary teachers, and secondary teachers) and 3 occasions of measurement (first, second, and third grades) with 758 first grade (55 % boys), 718 second grade (54 % boys), and 585 third grade (53 % boys) children from Spain to determine SCT's and ADHD-IN's unique longitudinal relationships with psychopathology, academic impairment, and social impairment over the 1- and 2-year intervals (i.e., first to third grade, second to third grade). For 1- and 2-year intervals using both mothers' and fathers' ratings, higher levels of SCT uniquely predicted higher levels of anxiety, depression, academic impairment, and social impairment whereas higher levels of ADHD-IN uniquely predicted higher levels of ADHD-HI, ODD, and academic impairment. For 1- and 2-year intervals across different primary and secondary teachers (i.e., first/second and third grade ratings were provided by different teachers), higher scores on ADHD-IN uniquely predicted poorer outcomes across domains whereas higher scores on SCT uniquely predicted lower levels of ADHD-HI and ODD for both intervals in addition to higher levels of depression (for primary teachers only), academic impairment (for 1-year interval only), and peer rejection (2-year interval only for primary teachers). Overall, SCT was significantly associated with important outcomes independent of ADHD-IN over 1- and 2-year intervals and across four different raters. This study provides further evidence for distinguishing between SCT and ADHD-IN in home and school settings.
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Litson K, Geiser C, Burns GL, Servera M. Examining Trait × Method Interactions Using Mixture Distribution Multitrait-Multimethod Models. STRUCTURAL EQUATION MODELING : A MULTIDISCIPLINARY JOURNAL 2016; 24:31-51. [PMID: 28983185 PMCID: PMC5624226 DOI: 10.1080/10705511.2016.1238307] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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Leiva A, Andrés P, Servera M, Verbruggen F, Parmentier FBR. The role of age, working memory, and response inhibition in deviance distraction: A cross-sectional study. Dev Psychol 2016; 52:1381-93. [DOI: 10.1037/dev0000163] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Preszler J, Burns GL, Litson K, Geiser C, Servera M. Trait and state variance in oppositional defiant disorder symptoms: A multi-source investigation with Spanish children. Psychol Assess 2016; 29:135-147. [PMID: 27148784 DOI: 10.1037/pas0000313] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The objective was to determine and compare the trait and state components of oppositional defiant disorder (ODD) symptom reports across multiple informants. Mothers, fathers, primary teachers, and secondary teachers rated the occurrence of the ODD symptoms in 810 Spanish children (55% boys) on 2 occasions (end first and second grades). Single source latent state-trait (LST) analyses revealed that ODD symptom ratings from all 4 sources showed more trait (M = 63%) than state residual (M = 37%) variance. A multiple source LST analysis revealed substantial convergent validity of mothers' and fathers' trait variance components (M = 68%) and modest convergent validity of state residual variance components (M = 35%). In contrast, primary and secondary teachers showed low convergent validity relative to mothers for trait variance (Ms = 31%, 32%, respectively) and essentially zero convergent validity relative to mothers for state residual variance (Ms = 1%, 3%, respectively). Although ODD symptom ratings reflected slightly more trait- than state-like constructs within each of the 4 sources separately across occasions, strong convergent validity for the trait variance only occurred within settings (i.e., mothers with fathers; primary with secondary teachers) with the convergent validity of the trait and state residual variance components being low to nonexistent across settings. These results suggest that ODD symptom reports are trait-like across time for individual sources with this trait variance, however, only having convergent validity within settings. Implications for assessment of ODD are discussed. (PsycINFO Database Record
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Litson K, Geiser C, Burns GL, Servera M. Trait and State Variance in Multi-Informant Assessments of ADHD and Academic Impairment in Spanish First-Grade Children. JOURNAL OF CLINICAL CHILD AND ADOLESCENT PSYCHOLOGY 2016; 47:699-712. [PMID: 26890535 DOI: 10.1080/15374416.2015.1118693] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
OBJECTIVE We examined the stable trait and variable state components of ADHD-inattention (IN), ADHD-hyperactivity/impulsivity (HI), and academic impairment (AI) dimensions using mothers', fathers', primary and secondary teachers' ratings of children's behavior at home and school. We also examined between-informant agreement with regard to trait and state components. METHOD Mothers, fathers, primary and secondary teachers rated HI, IN, and AI in N = 758 Spanish first grade children (55% boys) over three measurement occasions across 12 months. RESULTS Latent state-trait analyses revealed that mothers', fathers', and primary teachers' (but not secondary teachers') ratings reflected more trait variance for ADHD-HI (M = 73%), ADHD-IN (M = 74%), and AI (M = 76%) than occasion-specific variance (M = 27%, M = 26%, and M = 24%, respectively). Fathers' ratings shared a meaningful level of trait variance with mothers' ratings of ADHD-HI and ADHD-IN (range 78% to 82%), whereas primary and secondary teachers' ratings shared lower levels of trait variance with mothers' ratings (range 41% to 63%). The trait components of fathers', primary teachers', and secondary teachers' ratings of AI showed high levels of convergence with mothers' ratings (88%, 70%, and 59% respectively). CONCLUSIONS ADHD symptom reports reflect both trait (48 to 86%) and state (14 to 53%) variance components. The lower amount of shared variability between home and school suggests the setting-specificity of trait and state components of ADHD symptoms. Our findings indicate that ADHD symptom reports may reflect context-specific traits, suggesting the importance of differentiating and targeting ADHD behaviors across different settings.
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Servera M, Bernad MDM, Carrillo JM, Collado S, Burns GL. Longitudinal Correlates of Sluggish Cognitive Tempo and ADHD-Inattention Symptom Dimensions with Spanish Children. JOURNAL OF CLINICAL CHILD AND ADOLESCENT PSYCHOLOGY 2015; 45:632-641. [PMID: 25751712 DOI: 10.1080/15374416.2015.1004680] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The objective was to examine the longitudinal correlates of sluggish cognitive tempo (SCT) and attention deficit/hyperactivity disorder (ADHD)-Inattention (IN) dimensions with mothers' and fathers' ratings of Spanish children. Mothers and fathers rated SCT, ADHD-IN, ADHD-hyperactivity/impulsivity (HI), oppositional defiant disorder (ODD), depression, academic impairment, and social impairment on 3 occasions (twice in first-grade year [6-week separation] and once in the second-grade year [12 months after the first assessment]) in Spanish children (758, 746, and 718 children at the 3 time-points with approximately 55% boys). The results showed that (a) higher levels of SCT from earlier assessments predicted higher levels of depression, academic impairment, and social impairment at Assessment 3 after controlling for ADHD-IN at earlier assessments; (b) higher levels of ADHD-IN from earlier assessments predicted higher levels of depression, academic impairment, and social impairment at Assessment 3 after controlling for SCT at earlier assessments; (c) higher levels of ADHD-IN from earlier assessments predicted higher levels of ADHD-HI and ODD at Assessment 3 after controlling for SCT from earlier assessments; and (d) higher levels of SCT from earlier assessments either showed no unique relationship with ADHD-HI and ODD or predicted lower levels of ADHD-HI and ODD at Assessment 3 after controlling for ADHD-IN from earlier assessments. Initial evidence is provided of SCT's unique longitudinal relationships with depression and academic/social impairment and different longitudinal relationships with ADHD-HI and ODD relative to ADHD-IN, thus adding to a growing body of research underscoring the importance of SCT as distinct from ADHD-IN.
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Geiser C, Litson K, Bishop J, Keller BT, Burns GL, Servera M, Shiffman S. Analyzing person, situation and person × situation interaction effects: Latent state-trait models for the combination of random and fixed situations. Psychol Methods 2015; 20:165-92. [DOI: 10.1037/met0000026] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Geiser C, Burns GL, Servera M. Testing for measurement invariance and latent mean differences across methods: interesting incremental information from multitrait-multimethod studies. Front Psychol 2014; 5:1216. [PMID: 25400603 PMCID: PMC4214357 DOI: 10.3389/fpsyg.2014.01216] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Accepted: 10/07/2014] [Indexed: 11/17/2022] Open
Abstract
Models of confirmatory factor analysis (CFA) are frequently applied to examine the convergent validity of scores obtained from multiple raters or methods in so-called multitrait-multimethod (MTMM) investigations. We show that interesting incremental information about method effects can be gained from including mean structures and tests of MI across methods in MTMM models. We present a modeling framework for testing MI in the first step of a CFA-MTMM analysis. We also discuss the relevance of MI in the context of four more complex CFA-MTMM models with method factors. We focus on three recently developed multiple-indicator CFA-MTMM models for structurally different methods [the correlated traits-correlated (methods – 1), latent difference, and latent means models; Geiser et al., 2014a; Pohl and Steyer, 2010; Pohl et al., 2008] and one model for interchangeable methods (Eid et al., 2008). We demonstrate that some of these models require or imply MI by definition for a proper interpretation of trait or method factors, whereas others do not, and explain why MI may or may not be required in each model. We show that in the model for interchangeable methods, testing for MI is critical for determining whether methods can truly be seen as interchangeable. We illustrate the theoretical issues in an empirical application to an MTMM study of attention deficit and hyperactivity disorder (ADHD) with mother, father, and teacher ratings as methods.
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Burns GL, Servera M, Bernad MDM, Carrillo JM, Geiser C. Ratings of ADHD symptoms and academic impairment by mothers, fathers, teachers, and aides: construct validity within and across settings as well as occasions. Psychol Assess 2014; 26:1247-58. [PMID: 24932644 DOI: 10.1037/pas0000008] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
A Multiple Indicator × Multiple Trait × Multiple Source × Multiple Occasion design was used to evaluate invariance, convergent and discriminant validity of ADHD-inattention (IN), ADHD-hyperactivity/impulsivity (HI), and academic impairment scores from the Child and Adolescent Disruptive Behavior Inventory (CADBI) using confirmatory factor analysis. Mothers, fathers, teachers, and aides completed the CADBI on 811 Spanish 1st-grade children (54% boys) twice (6-week separation). For mothers and fathers, like loadings, thresholds/intercepts, factor means, factor variances, and factor covariances/correlations were invariant across sources and occasions. All 3 factors also showed convergent (convergent correlations from .69 to .83) and significant discriminant validity. For teachers and aides, there was also invariance of parameters along with convergent and discriminant validity over sources and occasions (convergent correlations from .67 to .87). With construct validity established for home and school, it was meaningful to test construct validity between home and school. Like-item loadings and thresholds/intercepts were invariant between home and school, with the ADHD-HI factor mean being lower at school. Convergent validity of ADHD-IN, ADHD-HI, and academic impairment factors, especially ADHD-IN and ADHD-HI, was much weaker between home and school (convergent correlations from .36 to .47 for IN and HI). The strong convergent validity of ADHD-IN and ADHD-HI scores within home and school in conjunction with weak convergent validity across home and school has implications for the assessment and diagnosis of ADHD (i.e., the diagnostic criteria of symptom occurrence in 2 or more settings).
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Garcia-Banda G, Chellew K, Fornes J, Perez G, Servera M, Evans P. Neuroticism and cortisol: Pinning down an expected effect. Int J Psychophysiol 2014; 91:132-8. [DOI: 10.1016/j.ijpsycho.2013.12.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2013] [Revised: 11/29/2013] [Accepted: 12/02/2013] [Indexed: 10/25/2022]
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Burns GL, Servera M, Bernad MDM, Carrillo JM, Cardo E. Distinctions between sluggish cognitive tempo, ADHD-IN, and depression symptom dimensions in Spanish first-grade children. JOURNAL OF CLINICAL CHILD AND ADOLESCENT PSYCHOLOGY 2013; 42:796-808. [PMID: 24116861 DOI: 10.1080/15374416.2013.838771] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
The objective of this study was to evaluate the validity of a new parent rating scale of Sluggish Cognitive Tempo (SCT). SCT was defined with 10 symptom domains--daydreams; attention fluctuates; absentminded; loses train of thought; easily confused; seems drowsy; thinking is slow; slow-moving; low initiative; and easily bored, needs stimulation--with each domain represented by multiple examples. Mothers' and fathers' ratings of SCT, ADHD-IN, ADHD-HI, oppositional defiant disorder (ODD), and depression symptoms along with ratings of academic and social impairment were obtained for a sample of 802 Spanish first-grade children (54% boys). SCT Symptom Domains 4 to 8 showed substantial loadings on the SCT factor (i.e., convergent validity) and substantially higher loadings on the SCT factor than the ADHD-IN factor (i.e., discriminant validity). This 5-domain measure of SCT showed good interrater and test-retest reliability for a 6-week interval. Higher scores on the 5-domain measure of SCT predicted higher levels of academic and social impairment even after controlling for ADHD-IN and depression. In contrast, higher levels of SCT were not uniquely related (or uniquely negatively related) to ADHD-HI and ODD, whereas ADHD-IN and depression were uniquely positively related to ADHD-HI and ODD. The new measure of SCT more clearly establishes that SCT, ADHD-IN, and depression represent independent symptom dimensions, thus providing a measurement tool to help determine if SCT and ADHD-IN dimensions have unique biological correlates and if SCT and ADHD meet the criteria for different disorders.
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Meisel V, Servera M, Garcia-Banda G, Cardo E, Moreno I. Reprint of "Neurofeedback and standard pharmacological intervention in ADHD: a randomized controlled trial with six-month follow-up". Biol Psychol 2013; 95:116-25. [PMID: 24055220 DOI: 10.1016/j.biopsycho.2013.09.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The present study is a randomized controlled trial that aims to evaluate the efficacy of Neurofeedback compared to standard pharmacological intervention in the treatment of attention deficit/hyperactivity disorder (ADHD). The final sample consisted of 23 children with ADHD (11 boys and 12 girls, 7-14 years old). Participants carried out 40 theta/beta training sessions or received methylphenidate. Behavioral rating scales were completed by fathers, mothers, and teachers at pre-, post-treatment, two-, and six-month naturalistic follow-up. In both groups, similar significant reductions were reported in ADHD functional impairment by parents; and in primary ADHD symptoms by parents and teachers. However, significant academic performance improvements were only detected in the Neurofeedback group. Our findings provide new evidence for the efficacy of Neurofeedback, and contribute to enlarge the range of non-pharmacological ADHD intervention choices. To our knowledge, this is the first randomized controlled trial with a six-month follow-up that compares Neurofeedback and stimulant medication in ADHD.
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Meisel V, Servera M, Garcia-Banda G, Cardo E, Moreno I. Neurofeedback and standard pharmacological intervention in ADHD: a randomized controlled trial with six-month follow-up. Biol Psychol 2013; 94:12-21. [PMID: 23665196 DOI: 10.1016/j.biopsycho.2013.04.015] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Revised: 03/26/2013] [Accepted: 04/25/2013] [Indexed: 10/26/2022]
Abstract
The present study is a randomized controlled trial that aims to evaluate the efficacy of Neurofeedback compared to standard pharmacological intervention in the treatment of attention deficit/hyperactivity disorder (ADHD). The final sample consisted of 23 children with ADHD (11 boys and 12 girls, 7-14 years old). Participants carried out 40 theta/beta training sessions or received methylphenidate. Behavioral rating scales were completed by fathers, mothers, and teachers at pre-, post-treatment, two-, and six-month naturalistic follow-up. In both groups, similar significant reductions were reported in ADHD functional impairment by parents; and in primary ADHD symptoms by parents and teachers. However, significant academic performance improvements were only detected in the Neurofeedback group. Our findings provide new evidence for the efficacy of Neurofeedback, and contribute to enlarge the range of non-pharmacological ADHD intervention choices. To our knowledge, this is the first randomized controlled trial with a six-month follow-up that compares Neurofeedback and stimulant medication in ADHD.
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Burns GL, Walsh JA, Servera M, Lorenzo-Seva U, Cardo E, Rodríguez-Fornells A. Construct validity of ADHD/ODD rating scales: recommendations for the evaluation of forthcoming DSM-V ADHD/ODD scales. JOURNAL OF ABNORMAL CHILD PSYCHOLOGY 2013; 41:15-26. [PMID: 22773361 DOI: 10.1007/s10802-012-9660-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Exploratory structural equation modeling (SEM) was applied to a multiple indicator (26 individual symptom ratings) by multitrait (ADHD-IN, ADHD-HI and ODD factors) by multiple source (mothers, fathers and teachers) model to test the invariance, convergent and discriminant validity of the Child and Adolescent Disruptive Behavior Inventory with 872 Thai adolescents and the ADHD Rating Scale-IV and ODD scale of the Disruptive Behavior Inventory with 1,749 Spanish children. Most of the individual ADHD/ODD symptoms showed convergent and discriminant validity with the loadings and thresholds being invariant over mothers, fathers and teachers in both samples (the three latent factor means were higher for parents than teachers). The ADHD-IN, ADHD-HI and ODD latent factors demonstrated convergent and discriminant validity between mothers and fathers within the two samples. Convergent and discriminant validity between parents and teachers for the three factors was either absent (Thai sample) or only partial (Spanish sample). The application of exploratory SEM to a multiple indicator by multitrait by multisource model should prove useful for the evaluation of the construct validity of the forthcoming DSM-V ADHD/ODD rating scales.
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Garcia-Banda G, Servera M, Chellew K, Meisel V, Fornes J, Cardo E, Perez G, Riesco M, Doctor RM. Prosocial Personality Traits and Adaptation to Stress. SOCIAL BEHAVIOR AND PERSONALITY 2011. [DOI: 10.2224/sbp.2011.39.10.1337] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Evidence suggests that personality traits may play a significant role in individual differences in cortisol reactivity in stressful situations. In this study, cortisol responses to public speaking were examined to test hypotheses that reactivity would be positively related to openness,
agreeableness, and conscientiousness, and negatively to extraversion, neuroticism, and psychoticism, respectively. A sample of 75 students (56 women and 19 men) completed the NEO Five-Factor Inventory (Costa & McCrae, 1992) and the Eysenck Personality Questionnaire-Revised (Eysenck &
Eysenck, 1985), and 2 saliva samples were taken before and after the stressor, and another 2 samples at similar times on a control day. Results revealed that conscientiousness was associated with an enhanced cortisol response to stress, while psychoticism was correlated with a blunted response.
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Cardo E, Servera M, Vidal C, de Azua B, Redondo M, Riutort L. [The influence of different diagnostic criteria and the culture on the prevalence of attention deficit hyperactivity disorder]. Rev Neurol 2011; 52 Suppl 1:S109-S117. [PMID: 21365591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
AIM To compare the prevalence of attention deficit disorder and hyperactivity disorder (ADHD) using different diagnostic criteria (DSM-IV-TR versus ICD-10) and two specific scales based on DSM IV (ADHD-IV Rating Scales and SNAP-IV p90) in school-age children (6-12 years). PATIENTS AND METHOD . A population-based study applying stratified multistage sample design (by courses), proportional to the type of school (public, private and enterd) and demographic areas (rural, city). From a target population of approximately 30 000 subjects a sample of 1509 children. RESULTS The prevalence rates of ADHD were within the expected range: 3.6% (95% CI = 2.6-4.6%) using DSM-IV criteria, 1.2% (95% CI = 0.6-1.8%) using the ICD-10, 4.6% (95% CI = 3.5-5.7%) using ADHD Rating Scales-IV with a cut-off of 90 percentile 4.11% (95% CI = 3.2-5.1%) using the scale SNAP-IV. However, we found some differences in reference to gender and subtype according to the criteria and instrument used. CONCLUSIONS We propose to use standard scales, scale by age, sex and evaluator that includes maturation and sociocultural factors help us draw conclusions about the true prevalence of ADHD.
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