فصلنامه روانشناسی شناختی

Purpose of this study was to investigate the effect of mental imagery on the motor performance Enhancement among the athletes in the Sport of Aerobic Dance. In this study which was an experimental research, 40 girl athletes in aerobic dance whose average age was 22.3 participated voluntarily and were put randomly into experimental and control group. Experimental design of the study included 13 sessions of mental imagery (3 days a week and for one month) and at the end of each session physical exercise was performed for the experimental group. Both groups were assessed four times pre-test, middle test, post-test and follow-up (two months after the intervention) were used for the assessment. To assess the subjects, motor performance check-list was used which was made by the coach and an aerobic dance referee in a measuring scale of ten. To analyze the data and to neutralize the effect of pre-test, analysis of covariance was used. According to the results of the study, the changes of the motor performance scale in the middle test, post-test and follow-up were significant. Therefore, it can be concluded that mental imagery can have an effect on the motor performance enhancement.
 

This research aimed to investigate the effect of metacognitive awareness on decision-making styles and emotion regulation in female high school students during 2016 in Tabriz, Iran. We conducted a pre- and post-test quasi-experimental research design with a control group. Two classes were selected by cluster sampling method and randomly assigned to experimental (n=19) and control (n=19) groups. A metacognitive awareness intervention program was performed in eight sessions (once a week in 90-minutes) for the experimental group but the control group did not receive any intervention and served as the benchmarking point of the comparison. The Decision Styles Questionnaire (Leykin & DeRubeis, 2010) and Regulation of Emotion Questionnaire (Phillips & Power, 2007) were administered. Data were analyzed by multivariate analysis of covariance (MANCOVA). The result showed a significant decrease in the score of the avoidant, anxious, intuitive, and spontaneous dimensions as well as a significant increase in the score of the dependent dimension of decision-making styles in the experimental group compared with the control group. Moreover, the scores of the dysfunction dimension of emotion regulation decreased significantly in the experimental group, while, the scores of the function dimension increased significantly.