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French validation of the O-LIFE Short questionnaire
European Journal of Psychological Assessment
The original 104-item Oxford-Liverpool Inventory of Feelings and Experiences (O-LIFE) questionnaire is a validated schizotypy questionnaire distinguishing three schizotypy dimensions (Unusual experiences, Introvertive anhedonia, Cognitive disorganization). It also includes items on Impulsive nonconformity assessing traits sensitive to borderline and antisocial personality. Recently, Mason et al. (2005) published a shortened 43-item version including all sub-dimensions. The aim of this study was to validate a French version of this short form and to study the relationships between its French- and English-speaking versions. O-LIFE short data was obtained from 1,048 students from two higher education institutions in the French-speaking part of Switzerland. Results were compared with those from an English normative sample (n = 439). A series of confirmatory factor analyses showed acceptable configural and metric invariances across the two language versions. Moreover, results from the French data support the use of both four- and three-dimensional models of schizotypy and show expected correlations with other relevant self-report instruments. This French version of the O-LIFE short form is an appropriate tool to use in French-speaking environments.
Schizotypy, self-report, French translation, psychometric validation
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