Perfectionism is multidimensional and includes perfectionistic striving (ceaseless pursuit of very high performance standards) and perfectionistic concerns (excessive self-criticism over one's inability to live up to unrealistically high expectations). Previous studies generally suggest that both perfectionistic striving and perfectionistic…

This study investigated the relationship between dimensions of perfectionism and anxiety sensitivity. The study group is composed by 398 (211 female; 187 male) students who were studying at the pedagogical formation certificate program at Mugla Sitki Kocman University. The data were collected by using the Frost Multidimensional Perfectionism Scale…

According to Blatt (2004; Blatt & Luyten, 2009) and others (e.g., Beck, Epstein, Harrison, & Emery, 1983), establishing positive self-definition and mature relatedness to others represent core lifespan developmental tasks. In a sample of emerging adults, this study examined the effects of the quality of one close friendship and changes in…

This article comments on the target paper by Vollmeyer and Rheinberg. As the emphasis of this special issue is on the assessment of self-regulation in learning, my commentary will focus on the various aspects of the research design, measures, and analyses.