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DECISIONS AND ELEMENTARY COGNITIVE PROCESSES

100%
Wichary S., Necka E.
Kolokwia Psychologiczne (Psychological Colloquia)
|
2006
|
vol. 15
233-250
EN
Decision making, as a complex mental process, consists of sequences of rudimentary cognitive operations. Therefore, various alternative strategies of information processing can be applied during decision making. The choice of a given strategy depends on situational factors, as well as on the personal characteristics of a decision maker. These characteristics refer mostly to efficiency of attention and working memory processes. Elementary cognitive operations occur in working memory, so its efficiency must be vital for the process of decision making. In spite of these obviously clear assumptions, attempts to investigate the relationships between elementary cognitive operations and the processes of decision making are relatively scarce. In this chapter, the authors discuss such relationships. Particular stress is put on the problem of strategies of decision making and their dependency on the attention and working memory functioning.
2

DECISION MAKING STRATEGIES AND WORKING MEMORY

61%
Wichary S., Orzechowski J., Kossowska M., Markovic J., Slifierz S., Bukowski M.
Psychological Studies
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2005
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vol. 43
|
issue 1
97-102
EN
The authors investigated whether capacity for short term information storage influences the complexity of the choice process. To this end a study was conducted where participants 1) had to memorize a string of digits and then recognize a target digit which was either present or absent in the string (working memory (WM) task) and 2) had to choose one of four alternatives described on six dimensions (multi-attribute choice task). Subjects who decided longer and acquired more information before the decision were also more correct on the WM task, especially in the more demanding condition of exhaustive search. Additionally, for those subjects with the higher tendency to search pre-decisional information selectively the performance on WM task deteriorated more slowly with increasing memory load. These results point to the inverse relationship between the capacity to store information for a short time and the complexity of the process of decision making.
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