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BACKGROUND: Clinical perfectionism is a risk and maintaining factor for anxiety disorders, depression and eating disorders. AIMS: The aim was to examine the psychometric properties of the 12-item Clinical Perfectionism Questionnaire (CPQ). METHOD: The research involved two samples. Study 1 comprised a nonclinical sample (n = 206) recruited via the internet. Study 2 comprised individuals in treatment for an eating disorder (n = 129) and a community sample (n = 80). RESULTS: Study 1 factor analysis results indicated a two-factor structure. The CPQ had strong correlations with measures of perfectionism and psychopathology, acceptable internal consistency, and discriminative and incremental validity. The results of Study 2 suggested the same two-factor structure, acceptable internal consistency, and construct validity, with the CPQ discriminating between the eating disorder and control groups. Readability was assessed as a US grade 4 reading level (student age range 9-10 years). CONCLUSIONS: The findings provide evidence for the reliability and validity of the CPQ in a clinical eating disorder and two separate community samples. Although further research is required the CPQ has promising evidence as a reliable and valid measure of clinical perfectionism.

Original publication

DOI

10.1017/S1352465814000629

Type

Journal article

Journal

Behav Cogn Psychother

Publication Date

01/2016

Volume

44

Pages

79 - 91

Keywords

Perfectionism, eating disorder, reliability, transdiagnostic, validity, Adolescent, Adult, Aged, Aged, 80 and over, Cognitive Therapy, Feeding and Eating Disorders, Female, Humans, Male, Middle Aged, Psychometrics, Reproducibility of Results, Surveys and Questionnaires, Young Adult