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A social-cognitive model of physical activity was tested, using structural equation analysis of data from 999 adults (21% African American; 66% female; 38% inactive) recruited from 14 southwestern(More)
In an evaluation of the theoretical foundations of behavior change, the current study examined whether social cognitive (SCT) variables mediated treatment effects on physical activity and nutrition(More)
This study examined the direct and mediated impact of a self-administered, computer-based intervention on nutrition behavior self-efficacy, and outcome expectations among supermarket food shoppers.(More)