Clinical experience suggests that Perfectionism can impede the successful t
reatment of psychological disorders. This review examines the concept of pe
rfection ism, critically evaluates its assessment, reviews the association
between existing measures of perfectionism and psychopathology, and conside
rs the impact of perfectionism on treatment. It is concluded that existing,
measures do not reflect the original construct of perfectionism and that, c
onsequently, new measures are needed. The evidence reviewed indicates that
high personal standards are specifically elevated in patients with eating d
isorders and beliefs about others' high standards for the self are associat
ed with a broad range of psychopathology. The importance of examining mean
scores across studies (as well as associations between variables within stu
dies) is emphasized. There has been no systematic evaluation of the treatme
nt of perfectionism despite existing cognitive-behavioral treatment protoco
ls. (C) 2001 Elsevier Science Ltd. All rights reserved.