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We compared the 1981 Self-efficacy scales of Diclemente and Condiotte and Lichtenstein for a sample of 29 Spanish smokers who participated in a stop-smoking program and throughout a 12-mo. follow-up. Analysis indicated the major predictive utility of the Confidence Questionnaire (self-efficacy) of Condiotte and Lichtenstein for rate of smoking and for smoking status.
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Becoña et al. (1988) studied this question.
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