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Validity of alternative self-report indices of smoking among adolescents.

Psychological AssessmentPublished 1 December 1990
Alan W. Stacy, Brian R. Flay, Steve Sussman, K. Stephen Brown, Susanne Santi, J. Allan Best
Citations88
SJR quartileQ1
SJR score1.67
SNIP1.51

Abstract

The convergent validity of popularly used open-ended and closed-ended self-report measures of smoking was examined. Carbon monoxide (CO) samples were obtained as an independent method of assessing recent smoking. In addition to CO, 5 known psychosocial correlates of smoking (attitude, subjective norm, risk-taking, best friend's smoking, and other friends' smoking) were used to estimate convergence with the self-report smoking indices. The results indicated that both simple closed-ended scales, with only a few response options, and more continuous, open-ended measures performed about equally as well as correlates of CO and the psychosocial measures, but only if the open-ended scales were subjected to a normalizing transformation to optimize their convergence. After this transformation was performed, convergence depended more on the time-span covered by the self-report indices than on the open-ended/closed-ended distinction. Implications of these results for different assessment goals were discussed.

Keywords

PsychologySocial SciencesMedicine