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International Journal of Behavioral Nutrition and Physical Activity
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Development of new physical activity and sedentary behavior change self-efficacy questionnaires using item response modeling

Russell Jago*, Tom Baranowski, Kathy Watson, Christine Bachman, Janice C Baranowski, Debbe Thompson, Arthur E Hernández, Elizabeth Venditti, Tara Blackshear and Esther Moe

International Journal of Behavioral Nutrition and Physical Activity 2009, 6:20 doi:10.1186/1479-5868-6-20

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