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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Cappelleri, J.C. et al.

Joseph C. Cappelleri, Andrew G. Bushmakin, Christine L. Baker, Elizabeth Merikle, Abayomi O. Olufade, David G. Gilbert,

Multivariate framework of the Brief Questionnaire of Smoking Urges.

We conducted an investigation of the 10-item Brief Questionnaire of Smoking Urges (QSU-Brief) to confirm its hypothesized two-factor structure and to assess the validity and reliability of its total score and these factors. Data were obtained from a 7-week clinical trial on smoking cessation (N=626). The hypothesized two-factor structure of the QSU-Brief was supported by fit indexes (>0.90) from a confirmatory factor analysis at each of three relevant time points (baseline, Week 2, Week 4). Corresponding values of Cronbach's alpha were acceptable (>0.75) on the Total Craving Score and on Factors 1 and 2. This research supports the validity and reliability of the instrument and confirms the proposed two-dimensional structure of self-reported craving as measured by the QSU-Brief.[1]

References

Multivariate framework of the Brief Questionnaire of Smoking Urges. Cappelleri, J.C., Bushmakin, A.G., Baker, C.L., Merikle, E., Olufade, A.O., Gilbert, D.G. Drug. Alcohol. Depend (2007) [Pubmed]

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