Item response modeling: an evaluation of the children's fruit and vegetable self-efficacy questionnaire

K. Watson, T. Baranowski, D. Thompson
2006 Health Education Research  
Perceived self-efficacy (SE) for eating fruit and vegetables (FV) is a key variable mediating FV change in interventions. This study applies item response modeling (IRM) to a fruit, juice and vegetable self-efficacy questionnaire (FVSEQ) previously validated with classical test theory (CTT) procedures. The 24-item (five-point Likert scale) FVSEQ was administered to 1578 fourth graders from 26 Houston schools. The
doi:10.1093/her/cyl136 pmid:17077167 fatcat:jyiirelu7fab3cmmdnlurmcmta