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Research
Interests
My
research in centered on issues in decision-making, categorization, and
motivation. I use mathematical modeling to gain a more comprehensive
understanding of cognition.
Email:
worthyda@mail.utexas.edu
Publications
Worthy, D.A., Markman, A.B.,
& Maddox, W.T. (2009). Choking
and Excelling Under Pressure in Experienced Classifiers.
Attention, Perception and Psychophysics, 71, 924-935. [
.pdf ]
Worthy, D.A., Markman, A.B.,
& Maddox, W.T. (2009). What
is Pressure? Evidence for Social Pressure as a Type of Regulatory Focus. Psychonomic
Bulletin and Review, 16, 344-349. [.pdf ]
Worthy, D.A., Markman, A.B.,
& Maddox, W.T. (2009) .
Choking and Excelling at the Free Throw Line. International Journal of Thinking
and Problem Solving, 19, 53-58. [
.pdf
]
Worthy, D.A., Maddox, W.T., & Markman, A.B. (2008).
Ratio and Difference Comparisons of Expected Reward in Decision Making
Tasks. Memory and Cognition, 36, 1460-1469. [.pdf ]
Worthy,
D.A., Maddox, W.T., & Markman, A.B. (2007). Regulatory Fit Effects in
a Choice Task. Psychonomic Bulletin and Review,
14, 1125-1132. [
.pdf
]
Markman, A.B., Maddox,
W.T., Worthy, D.A., & Baldwin, G.C. (2007). Using Regulatory Focus to
Explore Implicit and Explicit Processing. Journal of Consciousness Studies,
14,
132-155. [.pdf ]
Markman, A.B., Maddox,
W.T., & Worthy, D.A. (2006). Choking and Excelling Under Pressure. Psychological Science 17(11), 944-948. [ .pdf
]
Ad-Hoc Reviews
Journal of
Experimental Psychology: General
Psychonomic
Bulletin & Review
Journal of
Applied Sport Psychology
Journal of
Sport and Exercise Psychology
Peer-Reviewed Conference Proceedings
Worthy, D.A., Maddox, W.T., &
Markman, A.B. (2009). Less is More: Stimulus-Feedback
Co-Occurrence in Perceptual Category Learning, Annual Proceedings of
the Cognitive Science Society.
[
.pdf ]
Manuscripts Under Review & in
Preparation
Worthy, D.A., Grimm, L.R.,
Markman, A.B., & Maddox, W.T. (under review). Engaging the
Approach and Avoidance
Motivational Systems: Regulatory Focus, Social Pressure and Stereotype
Threat in a Broader Context
Worthy, D.A., Maddox, W.T., &
Markman, A.B. (in preparation). Feedback Matters: Effects of Subtle
Feedback Manipulations on
Dissociable Learning Systems.
W orthy,
D.A., Pacheco, J., Maddox, W.T., &
Schnyer, D.M., (in preparation).
Effects of Aging on Exploration and
Exploitation in Choice Tasks
Maddox, W.T., Worthy, D.A., & Filoteo, J.V.
(under review).
"Desirable Difficulties": Retention
and Generalization in
Information-Integration
Classification.
B rez,
C.C., Worthy, D.A., Markman, A.B., &
Maddox, W.T. (in preparation).
Motivational Influences on Cognitive
Performance in Children.
Worthy, D.A., Maddox, W.T., & Markman, A.B.
(in preparation). The Exploration/Exploitation Dilemma: A Comparison of
Simple Learning Models.
Worthy, D.A., Maddox, W.T., & Markman, A.B. (in
preparation). Contrasting
Effects of Internally and Externally Derived Goals: Implications for Educational
Practices.
Worthy, D.A., Markman, A.B., & Maddox, W.T.
(in preparation). Effects of
Positive and Negative Affect on Decision-Making: Implications for
Regulatory Focus
Theory.
Worthy, D.A., Maddox, W.T., & Markman, A.B. (in
preparation). The Length of
Feedback Interval and Inter-Trial Interval Effects Decision-Making in
Choice Tasks.
Talks
Worthy, D.A., Maddox, W.T., & Markman, A.B. (2009)
Feedback Matters. Effects of
Feedback Properties on Category Learning. Talk Presented
at the Annual Meeting of the Cognitive Science Society,
Amsterdam, NL.
[.pdf
]
Worthy, D.A., Maddox, W.T., & Markman, A.B. (2009)
Feedback Matters. Effects of
Feedback Properties on Category Learning. Talk Presented
at Cognitive Area Seminar, University of Texas at Austin,
Department of Psychology, February 20, 2009.
[.pdf
]
Worthy, D.A., (2008) Processing Expected Reward in Decision-Making
Tasks. Talk presented at
University of
Texas
Cognition and Perception Area Seminar. March 21, 2008.
Austin,
TX. [.pdf ]
Worthy,
D.A., Choking and Excelling Under Pressure in Novices and Experts.
Talk presented at
University of
Texas Cognition
and Perception Area Seminar. November
10, 2006.
Austin,
TX. [
.pdf]
Poster Presentations
Worthy, D.A., Pacheco, J., Schnyer, D.M., & Maddox, W.T. (2009)
Effects of Aging on Maximizing
Rewards and Minimizing Losses in a
Choice Task. Poster presented at
the Annual Convention of the
Cognitive Neuroscience Society,
San Francisco, CA, March, 2009.
[.pdf
]
Worthy, D.A., Maddox, W.T., & Markman (2008) What is
Pressure? Evidence for Social
Pressure as a Type of Regulatory
Focus. Poster presented at
48th Annual Meeting of the Psychonomic
Society, Chicago, IL, November, 2008.
[.pdf
]
Worthy, D.A.,
Markman, A.B., & Maddox, W.T. (2008)
Lengthening Feedback Intervals
Increases Exploitation in Choice
Tasks. Poster presented at the
Annual
Meeting of
the Society for Neuroeconomics, Park
City, UT, September, 2008. [.pdf
]
Worthy, D.A., Maddox, W.T., & Markman, A.B. (2008). Are Reward
Expectancies in Choice Tasks Processed as Ratios or Differences?:
Implications for Theories of Reward Processing in the Orbitofrontal Cortex
(OFC). Poster presented at the 15th Annual Cognitive
Neuroscience Society Convention,
San Francisco,
CA, April, 2008. [.pdf ]
Worthy, D.A., Maddox, W.T., &
Markman, A.B. (2007). Regulatory Fit Effects in a Gambling Task. Poster presented at the 48th
Annual Meeting of the Psychonomic Society,
Long Beach,
CA, November, 2007.
[.pdf ]
Worthy, D.A., Maddox,
W.T., & Markman, A.B. (2007). Regulatory Fit Effects in a Gambling
Task. Poster presented at the
Annual Meeting of the Society for Neuroeconomics,
Hull,
MA, September,
2007.
[.pdf ]
Worthy, D.A., Filoteo, J.V., &
Maddox, W.T. (2007). Consolidation and Retention in
Procedural-Based Categorization. Poster presented at the Annual Meeting of
the Cognitive Neuroscience Society,
New York City,
NY, May, 2007. [.pdf ]
Worthy, D.A.,
Maddox, W.T., & Markman, A.B. (2007). Dissociable Effects
of Social Pressure on Frontal- and Striatal-Mediated Classification
Learning: Choking and Excelling Under Pressure. Poster Presentation.
Neural Systems of Social Behavior Conference. May 12, 2007.
Austin,
TX. [.pdf ]
Worthy, D.A., Maddox, W.T., &
Markman, A.B. (2006). Choking and Excelling Under Pressure in Novices and
Experts. Poster
Presentation. 45th
Annual Meeting of the Psychonomic Society. November 17, 2006.
Houston,
TX. [ .pdf ]
Worthy, D.A., (2006) Choking and Excelling Under
Pressure in Novices and Experts.
Talk presented at
University of
Texas
Cognition and Perception Area Seminar. November 10, 2006.
Austin,
TX. [ .pdf ]
Bink,
M. L.,
Clark, M., Dailey, S. B., &
Worthy, D.A. (2004) Prospective Memory Depends on Cue-Action
Contingencies. Talk presented at 45th Annual Meeting of
the Psychonomic Society. November 18, 2004.
Minneapolis,
MN.
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