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Voss, Andreas; Rothermund, Klaus; Gast, Anne; Wentura, Dirk – Journal of Experimental Psychology: General, 2013
Cognitive processes and mechanisms underlying different forms of priming were investigated using a diffusion model approach. In a series of 6 experiments, effects of prime-target associations and of a semantic and affective categorical match of prime and target were analyzed for different tasks. Significant associative and categorical priming…
Descriptors: Semantics, Cognitive Psychology, Priming, Social Cognition
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Schumacher, Eric H.; Schwarb, Hillary – Journal of Experimental Psychology: General, 2009
Some studies suggest that dual-task processing impairs sequence learning; others suggest it does not. The reason for this discrepancy remains obscure. It may have to do with the dual-task procedure often used. Many dual-task sequence learning studies pair the serial reaction time (SRT) task with a tone-counting secondary task. The tone-counting…
Descriptors: Reaction Time, Cognitive Processes, Sequential Learning, Task Analysis
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Ratcliff, Roger; Smith, Philip L. – Journal of Experimental Psychology: General, 2010
The authors report 9 new experiments and reanalyze 3 published experiments that investigate factors affecting the time course of perceptual processing and its effects on subsequent decision making. Stimuli in letter-discrimination and brightness-discrimination tasks were degraded with static and dynamic noise. The onset and the time course of…
Descriptors: Cognitive Processes, Decision Making, Visual Discrimination, Color
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Becker, Stefanie I. – Journal of Experimental Psychology: General, 2010
Current models of visual search assume that visual attention can be guided by tuning attention toward specific feature values (e.g., particular size, color) or by inhibiting the features of the irrelevant nontargets. The present study demonstrates that attention and eye movements can also be guided by a relational specification of how the target…
Descriptors: Eye Movements, Attention Control, Guidance, Models
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Kello, Christopher T.; Beltz, Brandon C.; Holden, John G.; Van Orden, Guy C. – Journal of Experimental Psychology: General, 2007
1/f scaling has been observed throughout human physiology and behavior, but its origins and meaning remain a matter of debate. Some argue that it is a byproduct of ongoing processes in the brain or body and therefore of limited relevance to psychological theory. Others argue that 1/f scaling reflects a fundamental aspect of all physiological and…
Descriptors: Reaction Time, Scaling, Physiology, Cognitive Processes
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Schmiedek, Florian; Oberauer, Klaus; Wilhelm, Oliver; Suss, Heinz-Martin; Wittmann, Werner W. – Journal of Experimental Psychology: General, 2007
The authors bring together approaches from cognitive and individual differences psychology to model characteristics of reaction time distributions beyond measures of central tendency. Ex-Gaussian distributions and a diffusion model approach are used to describe individuals' reaction time data. The authors identified common latent factors for each…
Descriptors: Psychometrics, Memory, Structural Equation Models, Reaction Time
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Rinkenauer, Gerhard; Osman, Allen; Ulrich, Rolf; Muller-Gethmann, Hiltraut; Mattes, Stefan – Journal of Experimental Psychology: General, 2004
Lateralized readiness potentials (LRPs) were used to determine the stage(s) of reaction time (RT) responsible for speed-accuracy trade-offs (SATs). Speeded decisions based on several types of information were examined in 3 experiments, involving, respectively, a line discrimination task, lexical decisions, and an Erikson flanker task. Three levels…
Descriptors: Inferences, Reaction Time, Cognitive Processes, Task Analysis