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Unformatted text preview: Health Psychology 1997, Vol. 16, No. 2, 163-170 Copyright 1997 by the American Psychological A ssociation, Inc. 0278-6133/97/S3.00 A ssessm ent of Self-Efficacy and Coping W ith Cancer: D evelopm ent and V alidation of the Cancer B ehavior Inventory T h o m as V . M erluzzi and M ary A nn M artin ez S anchez University of Notre Dame T his article reports the developm ent of a m easure of self-efficacy for coping w ith cancer. Item s culled from a variety of sources w ere chosen for inclusion in the C ancer B ehavior Inventory (C B I) based on the psychom etric properties of the item s and the tit of the item s in a factor structure. Factor analysis on a group of 502 persons w ith cancer yielded 6 factors: (a) M aintenance of A ctivity and Independence (a = .89), (b) C oping W ith T reatm ent-R elated Side Effects (a = .88), (c) A ccepting C ancer/M aintaining Positive A ttitude (a = .87), (d ) Seeking and U nderstanding M edical Inform ation (a = .88), (e) Affective R egulation (a = .75), and (f) Seeking S upport (a = .77). C ronbach's a fo r th e entire m easure w as .96, an d correlations w ith other m easures supported its validity. T he C B I m ay be useful for research and clinical practice. Key words: self-efficacy, coping, cancer, assessm ent For people w ho have ju st been diagnosed w ith cancer, the very idea of having the disease causes distress (H ughes, 1993; L evy et al., 1992). M any people recover from that initial shock, but som e m ay not be as w ell adjusted as they w ere prior to the diagnosis (Stanton & Snider, 1993), as certain coping styles m ay prolong or exacerbate distress. Follow ing diagnosis, a person m ay undergo som e com bina- tion of surgery, radiation, and chem otherapy, w hich usually requires the person to m ount coping resources. A ccording to B andura (1991), those w ith high-efficacy expectations for coping feel that they are able to call on reserves to m eet the challenges involved in coping w ith stressors such as cancer. Those low in efficacy m ay feel overw helm ed by the dem ands of their situation. Self-efficacy theory has been used extensively in health psychology. For exam ple, high-efficacy expectations have been associated w ith adherence to exercise regim ens (Fruin, T hom as V . M erluzzi and M ary A nn M artinez S anchez, D epart- m ent of Psychology, U niversity of N otre D am e. M ary A nn M artinez S anchez is now at the D epartm ent of H um an S ciences, P im a C om m unity C ollege. W e w ish to acknow ledge the support of R afat A nsari, Thom as T roeger, D avid T aber, Juan G arcia, and R honda C ritchlow and the staff of M ichiana H em atology-O ncology South B end, Indiana; M arti Verfurth, E xecutive D irector of M em orial H o sp ital's R e- gional C ancer C enter, South B end, Indiana, and her staff; and the m any dedicated undergraduates in the sem inar on psychooncology at the U niversity of N otre D am e w ho served as research assistants....
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