Low Validity of a Seven-Item Fruit and Vegetable Food Frequency Questionnaire Among Third-Grade Students
Autor: | Colleen Doyle, Lillian S. Lin, Marsha Davis Hearn, Dongqing Terry Wang, Tom Baranowski, Janice Baranowski, Ken Resnicow, Matthew R. Smith |
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Rok vydání: | 1997 |
Předmět: | |
Zdroj: | Journal of the American Dietetic Association. 97:66-68 |
ISSN: | 0002-8223 |
DOI: | 10.1016/s0002-8223(97)00022-9 |
Databáze: | OpenAIRE |
Externí odkaz: |