Megan P Puryear

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BACKGROUND Practitioners and researchers are interested in assessing children's dietary intake and physical activity together to maximize resources and minimize subject burden. OBJECTIVE Our aim was to investigate differences in dietary and/or physical activity recall accuracy by content (diet only; physical activity only; diet and physical activity),(More)
BACKGROUND Any 24-hour dietary recall (24hDR) has a retention interval and prompts. No research has investigated their combined effect. OBJECTIVE Eight 24hDR protocols, constructed by crossing two retention intervals (prior-24-hour recall obtained in afternoon and previous-day recall obtained in morning) with four prompts (forward [distant-to-recent],(More)
BACKGROUND Dietary recall accuracy is related to retention interval (RI) (i.e., time between to-be-reported meals and the interview), and possibly to prompts. To the best of our knowledge, no study has evaluated their combined effect. OBJECTIVE The combined influence of RI and prompts on children's recall accuracy was investigated in this study. Two RIs(More)
This study examined a recently developed short version of the Children's Social Desirability (CSD-S) scale with 157 fourth-grade children. Of interest was a) whether one-month test-retest reliability would vary as a function of test assessment mode (interview or classroom), gender, race, SES, and BMI percentile, and b) whether the degree of social(More)
Validation-study data were analysed to investigate retention interval (RI) and prompt effects on the accuracy of fourth-grade children's reports of school-breakfast and school-lunch (in 24-h recalls), and the accuracy of school-breakfast reports by breakfast location (classroom; cafeteria). Randomly selected fourth-grade children at ten schools in four(More)
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