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Viviani G, Visalli A, Montefinese M, Vallesi A, Ambrosini E. The Stroop legacy: A cautionary tale on methodological issues and a proposed spatial solution. Behav Res Methods 2024; 56:4758-4785. [PMID: 37620747 PMCID: PMC11289023 DOI: 10.3758/s13428-023-02215-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/31/2023] [Indexed: 08/26/2023]
Abstract
The Stroop task is a seminal paradigm in experimental psychology, so much that various variants of the classical color-word version have been proposed. Here we offer a methodological review of them to emphasize the importance of designing methodologically rigorous Stroop tasks. This is not an end by itself, but it is fundamental to achieve adequate measurement validity, which is currently hindered by methodological heterogeneity and limitations. Among the several Stroop task variants in the literature, our methodological overview shows that the spatial Stroop task is not only a potentially methodologically adequate variant, which can thus assure measuring the Stroop effect with the required validity, but it might even allow researchers to overcome some of the methodological limitations of the classical paradigm due to its use of verbal stimuli. We thus focused on the spatial Stroop tasks in the literature to verify whether they really exploit such inherent potentiality. However, we show that this was generally not the case because only a few of them (1) are purely spatial, (2) ensure both all the three types of conflicts/facilitations (at the stimulus, response, and task levels) and the dimensional overlaps considered fundamental for yielding a complete Stroop effect according to the multiple loci account and Kornblum's theory, respectively, and (3) controlled for low-level binding and priming effects that could bias the estimated Stroop effect. Based on these methodological considerations, we present some examples of spatial Stroop tasks that, in our view, satisfy such requirements and, thus, ensure producing complete Stroop effects.
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Affiliation(s)
- Giada Viviani
- Department of Neuroscience, University of Padova, 35121, Padova, Italy
- Padova Neuroscience Center, University of Padova, Padova, Italy
| | | | - Maria Montefinese
- Department of Developmental and Social Psychology, University of Padova, Padova, Italy
| | - Antonino Vallesi
- Department of Neuroscience, University of Padova, 35121, Padova, Italy
- Padova Neuroscience Center, University of Padova, Padova, Italy
| | - Ettore Ambrosini
- Department of Neuroscience, University of Padova, 35121, Padova, Italy.
- Padova Neuroscience Center, University of Padova, Padova, Italy.
- Department of General Psychology, University of Padova, Padova, Italy.
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Izakson L, Zeevi Y, Levy DJ. Attraction to similar options: The Gestalt law of proximity is related to the attraction effect. PLoS One 2020; 15:e0240937. [PMID: 33112897 PMCID: PMC7592845 DOI: 10.1371/journal.pone.0240937] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 10/05/2020] [Indexed: 11/18/2022] Open
Abstract
Previous studies have suggested that there are common mechanisms between perceptual and value-based processes. For instance, both perceptual and value-based choices are highly influenced by the context in which the choices are made. However, the mechanisms which allow context to influence our choice process as well as the extent of the similarity between the perceptual and preferential processes are still unclear. In this study, we examine a within-subject relation between the attraction effect, which is a well-known effect of context on preferential choice, and the Gestalt law of proximity. Then, we aim to use this link to better understand the mechanisms underlying the attraction effect. We conducted one study followed by an additional pre-registered replication study, where subjects performed a Gestalt-psychophysical task and a decoy task. Comparing the behavioral sensitivity of each subject in both tasks, we found that the more susceptible a subject is to the proximity law, the more she displayed the attraction effect. These results demonstrate a within-subject relation between a perceptual phenomenon (proximity law) and a value-based bias (attraction effect) which further strengthens the notion of common rules between perceptual and value-based processing. Moreover, this suggests that the mechanism underlying the attraction effect is related to grouping by proximity with attention as a mediator.
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Affiliation(s)
- Liz Izakson
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
- Coller School of Management, Tel Aviv University, Tel Aviv, Israel
| | - Yoav Zeevi
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
- Department of Statistics and Operations Research, Tel Aviv University, Tel Aviv, Israel
| | - Dino J. Levy
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
- Coller School of Management, Tel Aviv University, Tel Aviv, Israel
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You can’t ignore what you can’t separate: the effect of visually induced target-distractor separation on tactile selection. Psychon Bull Rev 2014; 22:728-36. [DOI: 10.3758/s13423-014-0738-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Ganor-Stern D, Tzelgov J, Meiran N. How are automatic processes elicited by intended actions? Front Psychol 2013; 4:851. [PMID: 24312067 PMCID: PMC3826071 DOI: 10.3389/fpsyg.2013.00851] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2013] [Accepted: 10/25/2013] [Indexed: 11/13/2022] Open
Affiliation(s)
- Dana Ganor-Stern
- Department of Psychology, Achva Academic College MP. Shikmim, Israel
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Heij WL, Boelens H, Akerboom SP. Color-Picture Interference in Children: Effects of Spatial and Temporal Segregation of Color and Form. Percept Mot Skills 2013; 116:78-90. [PMID: 23829136 DOI: 10.2466/27.10.24.pms.116.1.78-90] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Children 5 to 8 years of age find it harder to name the color of a meaningful picture (e.g., of a table) than to name the color of an abstract form. Previous research suggests that this color-object interference effect is most likely due to competition between the task set of color-naming and the children's prepotent tendency to name the picture's identity. The present article examined whether color-object interference diminishes when cues are provided that have been shown to facilitate the segregation of the relevant (color) attribute and the irrelevant (form) attribute of the stimulus. Experiment 1 examined the effect of a spatial separation, and Experiment 2 the effect of a temporal separation between color and picture. Both manipulations resulted in the elimination of color-object interference, suggesting that children 5 to 8 years old were able to use these cues to overcome task competition.
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Gestalt grouping effects on tactile information processing: when touching hands override spatial proximity. Atten Percept Psychophys 2013; 75:468-80. [DOI: 10.3758/s13414-012-0417-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Likelihood of attending to the color word modulates Stroop interference. Atten Percept Psychophys 2011; 74:416-29. [PMID: 22147533 DOI: 10.3758/s13414-011-0250-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Roelofs A, Piai V. Attention demands of spoken word planning: a review. Front Psychol 2011; 2:307. [PMID: 22069393 PMCID: PMC3209602 DOI: 10.3389/fpsyg.2011.00307] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2011] [Accepted: 10/13/2011] [Indexed: 11/13/2022] Open
Abstract
Attention and language are among the most intensively researched abilities in the cognitive neurosciences, but the relation between these abilities has largely been neglected. There is increasing evidence, however, that linguistic processes, such as those underlying the planning of words, cannot proceed without paying some form of attention. Here, we review evidence that word planning requires some but not full attention. The evidence comes from chronometric studies of word planning in picture naming and word reading under divided attention conditions. It is generally assumed that the central attention demands of a process are indexed by the extent that the process delays the performance of a concurrent unrelated task. The studies measured the speed and accuracy of linguistic and non-linguistic responding as well as eye gaze durations reflecting the allocation of attention. First, empirical evidence indicates that in several task situations, processes up to and including phonological encoding in word planning delay, or are delayed by, the performance of concurrent unrelated non-linguistic tasks. These findings suggest that word planning requires central attention. Second, empirical evidence indicates that conflicts in word planning may be resolved while concurrently performing an unrelated non-linguistic task, making a task decision, or making a go/no-go decision. These findings suggest that word planning does not require full central attention. We outline a computationally implemented theory of attention and word planning, and describe at various points the outcomes of computer simulations that demonstrate the utility of the theory in accounting for the key findings. Finally, we indicate how attention deficits may contribute to impaired language performance, such as in individuals with specific language impairment.
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Affiliation(s)
- Ardi Roelofs
- Centre for Cognition, Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen Nijmegen, Netherlands
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Lamers MJM, Roelofs A. Attention and gaze shifting in dual-task and go/no-go performance with vocal responding. Acta Psychol (Amst) 2011; 137:261-8. [PMID: 21549333 DOI: 10.1016/j.actpsy.2010.12.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2010] [Revised: 11/10/2010] [Accepted: 12/15/2010] [Indexed: 11/18/2022] Open
Abstract
Evidence from go/no-go performance on the Eriksen flanker task with manual responding suggests that individuals gaze at stimuli just as long as needed to identify them (e.g., Sanders, 1998). In contrast, evidence from dual-task performance with vocal responding suggests that gaze shifts occur after response selection (e.g., Roelofs, 2008a). This difference in results may be due to the nature of the task situation (go/no-go vs. dual task) or the response modality (manual vs. vocal). We examined this by having participants vocally respond to congruent and incongruent flanker stimuli and shift gaze to left- or right-pointing arrows. The arrows required a manual response (dual task) or determined whether the vocal response to the flanker stimuli had to be given or not (go/no-go). Vocal response and gaze shift latencies were longer on incongruent than congruent trials in both dual-task and go/no-go performance. The flanker effect was also present in the manual response latencies in dual-task performance. Ex-Gaussian analyses revealed that the flanker effect on the gaze shifts consisted of a shift of the entire latency distribution. These results suggest that gaze shifts occur after response selection in both dual-task and go/no-go performance with vocal responding.
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Abstract
Response set membership contributes much to the interference in the color-word Stroop task. This may be due to selective allocation of attention to eligible responses or, alternatively, to greater inhibition of distractors that are not responses. In the present article, we report two experiments that were designed to adjudicate between these accounts. In Experiment 1, membership was manipulated on a trial-by-trial basis by cuing the possible responses for each trial. Response time (RT) was longer for distractors that corresponded to a cued, eligible response than to an ineligible one. This cuing effect was independent of the number of different responses. In Experiment 2, the distractor was cued on half the trials. Cuing the distractor decreased RTs on both incongruent and congruent trials. Vincentile analyses in both experiments revealed that the effects were constant throughout the entire RT distributions. These results suggest that response set effects arise because of selective allocation of attention to eligible responses.
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Lamers MJM, Roelofs A. Attentional control adjustments in Eriksen and Stroop task performance can be independent of response conflict. Q J Exp Psychol (Hove) 2010; 64:1056-81. [PMID: 21113864 DOI: 10.1080/17470218.2010.523792] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
In the Eriksen flanker and colour-word Stroop tasks, the response time (RT) difference between incongruent and congruent trials is smaller following incongruent trials than following congruent trials: the "Gratton effect" (Gratton, Coles, & Donchin, 1992). According to the prevailing conflict-monitoring theory (Botvinick, Braver, Barch, Carter, & Cohen, 2001), the Gratton effect reflects attentional control adjustment following response conflict on incongruent trials. However, because previous studies compared incongruent and congruent trials, it remains unclear to what extent the Gratton effect is driven by incongruent rather than congruent trials. To resolve this issue, we included neutral trials in addition to incongruent and congruent trials in the Eriksen (Experiment 1) and Stroop (Experiment 2) tasks. Participants responded manually and vocally in both tasks. Moreover, we assessed responding to Stroop stimuli that were preceded by neutral cues or by incongruent- or congruent-predicting cues (Experiment 3). In all three experiments, the RT difference between incongruent and congruent trials was larger for postcongruent trials than for postincongruent and postneutral trials. These findings suggest that control adjustments can be independent of response conflict, challenging conflict-monitoring theory.
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Affiliation(s)
- Martijn J M Lamers
- Radboud University Nijmegen, Donders Institute for Brain, Cognition and Behaviour, Centre for Cognition, Postbus 9104, 6500 HE, Nijmegen, The Netherlands.
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Reynolds M, Kwan D, Smilek D. To group or not to group: an ecological consideration of the stroop effect. Exp Psychol 2010; 57:275-91. [PMID: 20371427 DOI: 10.1027/1618-3169/a000033] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Eight experiments are reported that examine the contextual factors that influence the magnitude of color-word interference in the Stroop task. In Part 1 of the paper (Experiments 1-4) we varied letter-letter grouping using Gestalt principles of proximity and similarity. In Part 2 of the paper (Experiments 5-8) we varied word-color grouping using the Gestalt principles of similarity and common fate. The magnitude of the Stroop effect was strongly influenced by changes in both letter-letter grouping in the color-word and word-color grouping. Overall, the results suggest two ways in which perceptual organization influences the magnitude of Stroop color-word interference and more generally, that there are systematic principles that govern the impact of visually presented words across a variety of laboratory contexts and the real world.
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Affiliation(s)
- Michael Reynolds
- Department of Psychology, Trent University, Peterborough, Ontario, Canada.
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Espinoza-Varas B, Jang H. Selective attention to pitch amid conflicting auditory information: context-coding and filtering strategies. PSYCHOLOGICAL RESEARCH 2010; 75:159-78. [PMID: 20640441 DOI: 10.1007/s00426-010-0295-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2008] [Accepted: 06/20/2010] [Indexed: 10/19/2022]
Abstract
An auditory Eriksen-flanker task was used to study how conflicting information interferes with selective attention to task-relevant differences in pure-tone frequency. Across the observation intervals of the discrimination task, the relevant frequency differences between target tones were positive, but within an observation interval, they could appear to be small or negative relative to conflicting differences in flanker tones leading or trailing the target. Being correct required attending to the between-target and ignoring the target-flanker pitch relation (across and within observation-interval, respectively). The interference index was an elevation of conflict-laden frequency discrimination thresholds (FDTs), relative to no-conflict FDTs. When conflicting differences in frequency or level (but not in duration) trailed the relevant differences, interference (i.e., FDT elevation) was large and persistent, increased with the target-flanker time proximity, but decreased with extensive training. Interference occurs when the target-flanker pitch relation is more prominent than the one between targets, and the physical and/or perceptual effects of relevant and conflicting differences tend to cancel one another, as with the above conflicting differences. With untrained participants, the target-flanker pitch relation is most prominent in conditions fostering both the perceptual grouping of the target and flanker (e.g., close time proximity), and the recency and salience of the conflicting differences (e.g., trailing conflicting difference); conversely, by lessening such grouping and salience, prolonged training decreases or nullifies the interference. The interference observed herein does not arise because the relevant and the conflicting differences each prompt separate decisions or responses that are in mutual conflict; instead, it arises from the early-stage interaction between their perceptual effects.
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Affiliation(s)
- Blas Espinoza-Varas
- Department of Communication Sciences and Disorders, University Oklahoma Health Sciences Center, 1200 N. Stonewall Avenue, Oklahoma City, OK 73117, USA.
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Roelofs A. Attention, temporal predictability, and the time course of context effects in naming performance. Acta Psychol (Amst) 2010; 133:146-53. [PMID: 19963201 DOI: 10.1016/j.actpsy.2009.11.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2009] [Revised: 10/09/2009] [Accepted: 11/02/2009] [Indexed: 10/20/2022] Open
Abstract
Models of attention and context effects in naming performance should be able to account for the time course of color-word Stroop interference revealed by manipulations of the stimulus onset asynchrony (SOA) between color and word. Prominent models of Stroop task performance (Cohen, Dunbar, & McClelland, 1990; Cohen & Huston, 1994; Phaf, Van der Heijden, & Hudson, 1990) fail to account for the fact that response time (RT) and Stroop interference peak at zero SOA and diminish with word preexposure. The models may be saved by assuming that the time course of interference is determined by a strategic orienting of attention to color onsets when SOA is predictable. To test this temporal predictability hypothesis, SOA was blocked or randomly mixed in Experiment 1. In addition, the time interval between color onsets was randomly variable in Experiment 2. Although RTs were affected, none of the randomization manipulations influenced the typical shape of the time course of Stroop effects. These findings provide evidence against the temporal predictability hypothesis and thereby against prominent models of the Stroop task.
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