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Shteingart, Hanan; Neiman, Tal; Loewenstein, Yonatan – Journal of Experimental Psychology: General, 2013
We quantified the effect of first experience on behavior in operant learning and studied its underlying computational principles. To that goal, we analyzed more than 200,000 choices in a repeated-choice experiment. We found that the outcome of the first experience has a substantial and lasting effect on participants' subsequent behavior, which we…
Descriptors: Operant Conditioning, Behavior, Models, Reinforcement
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Harris, Adam J. L.; Corner, Adam; Hahn, Ulrike – Cognition, 2009
How well we are attuned to the statistics of our environment is a fundamental question in understanding human behaviour. It seems particularly important to be able to provide accurate assessments of the probability with which negative events occur so as to guide rational choice of preventative actions. One question that arises here is whether or…
Descriptors: Computation, Probability, Behavior, Prevention
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McDowell, J. J.; Caron, Marcia L.; Kulubekova, Saule; Berg, John P. – Journal of the Experimental Analysis of Behavior, 2008
Virtual organisms animated by a computational theory of selection by consequences responded on symmetrical and asymmetrical concurrent schedules of reinforcement. The theory instantiated Darwinian principles of selection, reproduction, and mutation such that a population of potential behaviors evolved under the selection pressure exerted by…
Descriptors: Reinforcement, Behavior, Intervals, Numbers
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McDowell, J. J. – Journal of the Experimental Analysis of Behavior, 2004
Darwinian selection by consequences was instantiated in a computational model that consisted of a repertoire of behaviors undergoing selection, reproduction, and mutation over many generations. The model in effect created a digital organism that emitted behavior continuously. The behavior of this digital organism was studied in three series of…
Descriptors: Reinforcement, Models, Intervals, Behavior
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Quenette, Mary A.; Nicewander, W. Alan; Thomasson, Gary L. – Applied Psychological Measurement, 2006
Model-based equating was compared to empirical equating of an Armed Services Vocational Aptitude Battery (ASVAB) test form. The model-based equating was done using item pretest data to derive item response theory (IRT) item parameter estimates for those items that were retained in the final version of the test. The analysis of an ASVAB test form…
Descriptors: Item Response Theory, Multiple Choice Tests, Test Items, Computation