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Behav Res Ther. 1993 Jan;31(1):63-73.

Assessment of pain-related cognitions in chronic pain patients.

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Department of Clinical and Physiological Psychology, University of Tübingen, Germany.


The construction of the Pain-Related Self Statements Scale (PRSS) and the Pain-Related Control Scale (PRCS) is described. The PRSS assesses situation-specific aspects of patients' cognitive coping with pain, while the PRCS measures general attitudes towards pain. The reliability and validity of these scales were determined in a sample of 120 chronic pain patients suffering from various rheumatic disorders, 213 patients who suffered from chronic back pain, 44 patients with temporomandibular pain and dysfunction and 38 healthy controls. The analysis of the PRSS yielded two scales termed 'Catastrophizing' and 'Coping'; the PRSC consists of the subscales 'Helplessness' and 'Resourcefulness'. All four subscales were demonstrated to be valid and sensitive to change, and they are closely related to pain intensity and interference from pain experiences.

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