The Multimedia activity recall for children and adolescents (MARCA): development and evaluation |
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Authors: | Kate Ridley Tim S Olds Alison Hill |
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Affiliation: | (1) School of Education, Flinders University, Adelaide, Australia;(2) School of Health Sciences, University of South Australia, Australia |
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Abstract: | Background Self-report recall questionnaires are commonly used to measure physical activity, energy expenditure and time use in children and adolescents. However, self-report questionnaires show low to moderate validity, mainly due to inaccuracies in recalling activity in terms of duration and intensity. Aside from recall errors, inaccuracies in estimating energy expenditure from self-report questionnaires are compounded by a lack of data on the energy cost of everyday activities in children and adolescents. This article describes the development of the Multimedia Activity Recall for Children and Adolescents (MARCA), a computer-delivered use-of-time instrument designed to address both the limitations of self-report recall questionnaires in children, and the lack of energy cost data in children. |
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