Cargando…
Self efficacy for fruit, vegetable and water intakes: Expanded and abbreviated scales from item response modeling analyses
OBJECTIVE: To improve an existing measure of fruit and vegetable intake self efficacy by including items that varied on levels of difficulty, and testing a corresponding measure of water intake self efficacy. DESIGN: Cross sectional assessment. Items were modified to have easy, moderate and difficul...
Autores principales: | , , , , , , |
---|---|
Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2010
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3099465/ https://www.ncbi.nlm.nih.gov/pubmed/20350316 http://dx.doi.org/10.1186/1479-5868-7-25 |