Adaptive decision processes in perceptual comparisons: Effects of changes in global difficulty context

Autor: Joseph V. Baranski, William M. Petrusic
Rok vydání: 2003
Předmět:
Zdroj: Journal of Experimental Psychology: Human Perception and Performance. 29:658-674
ISSN: 1939-1277
0096-1523
DOI: 10.1037/0096-1523.29.3.658
Popis: Adaptive decision processes were investigated in experiments involving an unexpected change in the global ease or difficulty of the task. Under accuracy stress, a shift from an easy to a difficult context induced a marked increase in decision time, but a shift from a difficult to an easy context did not. Under speed stress, a shift to a more difficult context induced lower accuracy and rated confidence, depending on the difficulty of the decisions. A view of caution developed in D. Vickers's (1979) accumulator theory--whereby one seeks to base decisions on more information--is compared with a view based on slow and fast guessing theory (W. M. Petrusic, 1992; W. M. Petrusic & J. V. Baranski, 1989a)--whereby one seeks to base decisions on more diagnostic information. On balance, the findings support the latter view.
Databáze: OpenAIRE