New Scales for the Assessment of Schizotypy

Author(s): Claridge, G., Jackson, M.

Journal/Book: Pers Indiv Differ. 1995; 18: The Boulevard, Langford Lane, Kidlington, Oxford, United Kingdom OX5 1GB. Pergamon-Elsevier Science Ltd. 7-13.

Abstract: This study reports the development of new scales for assessing schizotypal traits. The four scales measure unusual experiences, cognitive disorganisation, introvertive anhedonia and impulsive non-conformity. The scales were incorporated into a new questionnaire, the Oxford-Liverpool Inventory of Feelings & Experiences (O-LIFE), in a form designed for use in the normal population and including filler items as well as the STA scale (as a known referent). Norms for the scales on a fresh sample of normal subjects (N = 508) are reported, including sex and age differences. All the scales were found to have adequate internal consistency (coeff. alpha > 0.77). The items from the four new scales were submitted to factor analysis and a highly similar structure resulted. Their present and future use in psychosis-proneness research is discussed.

Note: Article O Mason, Univ Oxford, Dept Exptl Psychol, S Parks Rd, Oxford OX1 3UD, England

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