The current study used a prospective design to examine the relation of self-critical and personal standards perfectionism with university students' affect over a full calendar year. Specifically, we investigated the relation between the two forms of perfectionism and students' positive and negative affect within both the semester achievement demand and the holiday respite contexts. Two hundred and forty university students completed baseline measures of perfectionism and reported their affect at six follow-ups over two semesters and the winter and summer holidays. Stress experienced during the winter holiday was also assessed. Students' affect generally followed a cyclical pattern, declining over the fall and winter semesters but rebounding during the holidays. Results showed that while selfcritical perfectionism was consistently related to worsened affect, this was not the case for personal standards perfectionism, which was specifically related to increased positive affect during the holidays. Perceived stress differentially mediated the rejuvenation effect for the two types of perfectionism. The present study highlights the value of examining how the two types of perfectionism differentially relate to negative and positive affect experienced in achievement versus respite contexts.

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Journal Journal of Social and Clinical Psychology
Milyavskaya, M, Harvey, B. (Brenda), Koestner, R. (Richard), Powers, T. (Theodore), Rosenbaum, J. (Joe), Ianakieva, I. (Iana), & Prior, A. (Alexandra). (2014). Affect across the year: How perfectionism influences the pattern of university students' affect across the calendar year. Journal of Social and Clinical Psychology, 33(2), 124–142. doi:10.1521/jscp.2014.33.2.124