Development and Evaluation of the Multimedia Activity Recall for Children and Adolescents (MARCA)
Author Information
Author(s): Kate Ridley, Tim Olds, Alison Hill
Primary Institution: Flinders University
Hypothesis
The MARCA is designed to improve the accuracy of physical activity recall in children and adolescents.
Conclusion
The MARCA is a valid and reliable self-report questionnaire that offers advantages over traditional methods for measuring physical activity in children.
Supporting Evidence
- The MARCA showed high test-retest reliability with intra-class coefficients ranging from 0.88 to 0.94.
- Criterion validity was assessed by comparing self-reports with accelerometer counts.
- The MARCA demonstrated good content and construct validity consistent with established findings.
Takeaway
The MARCA helps kids remember what they did all day, making it easier to see how active they are.
Methodology
The MARCA was evaluated for test-retest reliability, criterion validity against accelerometer data, and content/construct validity using various samples of children.
Potential Biases
Potential bias due to reliance on self-reported data and the convenience sampling method.
Limitations
The study was limited by small sample sizes and the lack of a 'gold standard' criterion measure for validation.
Participant Demographics
Children aged 9.0 to 15.0 years, with a balanced representation of genders.
Statistical Information
P-Value
0.01
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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