objectives : the aim of the present study was to investigate the role of positive and negative perfectionism, self-efficacy, worry and emotion regulation in predicting behavioral and decisional procrastination. method: in current correlational study, 365 students from tehran university completed general self-efficacy scale (gses), difficulties in emotion regulation strategies scale (ders), worr...

cognitive restructuring and exposure therapy have been integrated into a highly structured package for the treatment of social phobia termed cognitive-behavioral group therapy (cbgt). the first two sessions of cbgt for social phobia are devoted to training clients in the basic tenets of cognitive therapy. clients learn to identify their own irrational thoughts and to challenge the content of th...

In this work a low power, low voltage and high gain operational amplifier is proposed. For this purpose a negative resistance structure is used in parallel with output to improve the achievable gain. Because of using self cascode transistors in the output, the proposed structure remains approximately constant in a relatively large output voltage swing causing an invariable gain. To evaluate the...

One of the psychological variables which may have a long-lasting effect on our life is labeling, and students’ accomplishments might be severely undermined through the teacher’s labeling. In spite of this issue, few studies have been carried out on the ramifications of labeling in the educational contexts, in general, and EFL classrooms, in particular. The current study is an attempt to investi...

the main aim of the present study was to examine the mediation effect of sport self-efficacy on the relationship between dimensions of perfectionism and competitive anxiety in a sample of iranian athletes. 233 volunteer athletes (145 boys, 88 girls) from different sport fields participated in this study. all participants were required to complete the competitive perfectionism scale (cps), the m...