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Full-Text Articles in Psychology

Probabilistic Cue Combination: Less Is More, Daniel Yurovsky, Ty W. Boyer, Linda B. Smith, Chen Yu Jan 2013

Probabilistic Cue Combination: Less Is More, Daniel Yurovsky, Ty W. Boyer, Linda B. Smith, Chen Yu

Department of Psychology Faculty Publications

Learning about the structure of the world requires learning probabilistic relationships: rules in which cues do not predict outcomes with certainty. However, in some cases, the ability to track probabilistic relationships is a handicap, leading adults to perform non-normatively in prediction tasks. For example, in the dilution effect, predictions made from the combination of two cues of different strengths are less accurate than those made from the stronger cue alone. Here we show that dilution is an adult problem; 11-month-old infants combine strong and weak predictors normatively. These results extend and add support for the less is more hypothesis: limited …


Stroop Interference In A Delayed Match-To-Sample Task: Evidence For Semantic Competition, Bradley R. Sturz, Marshall Lee Green, Lawrence Locker Jr., Ty W. Boyer Jan 2013

Stroop Interference In A Delayed Match-To-Sample Task: Evidence For Semantic Competition, Bradley R. Sturz, Marshall Lee Green, Lawrence Locker Jr., Ty W. Boyer

Department of Psychology Faculty Publications

Discussions of the source of the Stroop interference effect continue to pervade the literature. Semantic competition posits that interference results from competing semantic activation of word and color dimensions of the stimulus prior to response selection. Response competition posits that interference results from competing responses for articulating the word dimension vs. the color dimension at the time of response selection. We embedded Stroop stimuli into a delayed match-to-sample (DMTS) task in an attempt to test semantic and response competition accounts of the interference effect. Participants viewed a sample color word in black or colored fonts that were ongruent or incongruent …