INFLUENCE OF THE LEVEL OF SELECTED SELF SYSTEM COMPONENTS ON DECISION MAKING IN THE EXPERIMENTAL PDG SITUATION
We used the experimental no-zero sum Prisoner's Dilemma Game (PDG) to discover the regulatory function of self-esteem and self-efficacy in decision-making in regard to the cooperative and/or competitive behavior. The experimental sample consisted of 80 students from different types of secondary schools between the ages 16 -19, AM = 17.00, SD = 1.15, who were administered the Rosenberg self-esteem scale, RSES (Rosenberg, 1965) and General self-efficacy scale, GSES (Jerusalem, Schwarzer, 1981) prior to the PDG implementation. 20 girl and 20 boy dyads, based on a voluntary selection, completed a set of 20 PDG games. We did not discover any significant relation between the selected self system concepts and decision-making in PDG. The result on the significance level p > 0.05 was also determined within the level comparison of L (cooperative)/P (competitive) choice in the whole PDG set between the groups of adolescents with a different level of self-esteem/self-efficacy. In accordance with the L and P choice frequency in the individual games we detected stabilization in the strategy choice during choices 10 - 19: in persons with high self-efficacy towards cooperation, in persons with low self-efficacy towards competitiveness. The preferred strategy corresponded to the initial choice. Also determined was decision-making stability in adolescents with high self-assessment, and that towards competitive strategy during choices 6 - 10. On the other hand, persons with low self-esteem level had a tendency to higher risk, and to search for optimal behavior strategy throughout the whole PDG set. We interpret the findings from the viewpoint of social-cognitive theory and conceptual self-esteem determination.
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