Invariance in the reaction time classification of same and different letter pairs.
D000328:Adult; D003657:Decision Making; D004192:Discrimination, Psychological; D005260:Female; D006801:Humans; D007257:Information Theory; D008297:Male; D008606:Mental Processes; D008960:Models, Psychological; D010153:Paired-Associate Learning; D011930:Reaction Time; D014796:Visual Perception