Searchable Title

Reliability and Validity of the Clinical Perfectionism Questionnaire in Eating Disorder and Community Samples. [also known as: CPQ] Copyright: Creative Commons License.

Reference Type

Journal Article

Authors, Section

Egan, S. J.; Shafran, R.; Lee, M.; Fairburn, C. G.; Cooper, Z.; Doll, H. A.; Palmer, R. L.; Watson, H. J.

Title, Section

Reliability and Validity of the Clinical Perfectionism Questionnaire in Eating Disorder and Community Samples. [also known as: CPQ] Copyright: Creative Commons License.

Publication Year

2016

Journal Title

Behavioural and Cognitive Psychotherapy

Volume

44

Issue

1

Pages

79-91

Availability

online

PMID

PMID: 25731214

DOI

10.1017/S1352465814000629

Abstract

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.

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