Abstract
The purpose of the present experiment was to investigate the effects of personal control and congruities of regulated condition, locus of control with experimental groups, upon the levels and patterns of HR during the phases before and after the decision under three aversive conditions. All subjects were randomly assigned to two groups, i.e., CSR (the condition of self regulation) and CER (the condition of external regulation). Main findings were as follows. (1) Selectability had an effect of anxiety induction before and anxiety reduction after the decision. The result indicates the importance of regarding HR changes as a time sequential pattern, and supports that main emotional components change during the phases before and after the decision. (2) Congruities of regulated condition, locus of control with experimental groups had also an effect of anxiety reduction, but the effect was much less than that of selectability.