R. Thomas

Publications94
h-index19
Citations1,191
Highly Influential Citations78
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Choking under pressure: multiple routes to skill failure.
Poor performance in pressure-filled situations, or "choking under pressure," has largely been explained by two different classes of theories. Distraction theories propose that choking occurs because… Expand
  • 191
  • 19
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Perceptual interactions of facial dimensions in speeded classification and identification
  • R. Thomas
  • Psychology, Medicine
  • Perception & psychophysics
  • 1 May 2001
The representation underlying the identification and classification of semirealistic line drawings taken from a computer model of the face was investigated by using a speeded classification task and… Expand
  • 54
  • 13
  • PDF
Individual differences in category learning: Sometimes less working memory capacity is better than more
We examined whether individual differences in working memory influence the facility with which individuals learn new categories. Participants learned two different types of category structures:… Expand
  • 151
  • 12
  • PDF
Learning correlations in categorization tasks using large, ill-defined categories.
  • R. Thomas
  • Psychology, Medicine
  • Journal of experimental psychology. Learning…
  • 1998
The experiments revealed whether individual participants are sensitive to exemplar information in the form of within-category correlations between stimulus dimensions after training on large… Expand
  • 46
  • 5
Separability and Independence of Dimensions within the Same–Different Judgment Task
Abstract Ashby, Townsend, and colleagues have developed an important model for the psychophysical identification task, the general recog- nition theory (also called, decision bound theory), based on… Expand
  • 42
  • 4
When and how less is more: reply to Tharp and Pickering
In DeCaro et al. [DeCaro, M. S., Thomas, R. D., & Beilock, S. L. (2008). Individual differences in category learning: Sometimes less working memory capacity is better than more. Cognition, 107,… Expand
  • 32
  • 4
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Stochastic dependencies in parallel and serial models: effects on systems factorial interactions
Abstract This paper examines the behavior of stochastically dependent serial and parallel processing models in the setting of a 2 x 2 factorial experiment. Interactions found in factorial experiments… Expand
  • 63
  • 3
Decisional separability, model identification, and statistical inference in the general recognition theory framework
Recent work in the general recognition theory (GRT) framework indicates that there are serious problems with some of the inferential machinery designed to detect perceptual and decisional… Expand
  • 47
  • 3
Who do you look like? Evidence of facial stereotypes for male names
The present research provides evidence that people use facial prototypes when they encounter different names. In Experiment 1, participants created face exemplars for fifteen common male names,… Expand
  • 15
  • 3
Effects of Categorization Training in Patients With TBI During Postacute Rehabilitation: Preliminary Findings
BackgroundPrevious research suggests that traumatic brain injury (TBI) interferes with the ability to extract and use attributes to describe objects. This study explored the effects of a systematic… Expand
  • 42
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