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Construct validity of selected measures of physical activity beliefs and motives in fifth and sixth grade boys and girls.


ABSTRACT:

Objective

Scales used to measure selected social-cognitive beliefs and motives for physical activity were tested among boys and girls.

Methods

Covariance modeling was applied to responses obtained from large multi-ethnic samples of students in the fifth and sixth grades.

Results

Theoretically and statistically sound models were developed, supporting the factorial validity of the scales in all groups. Multi-group longitudinal invariance was confirmed between boys and girls, overweight and normal weight students, and non-Hispanic black and white children. The construct validity of the scales was supported by hypothesized convergent and discriminant relationships within a measurement model that included correlations with physical activity (MET • min/day) measured by an accelerometer.

Conclusions

Scores from the scales provide valid assessments of selected beliefs and motives that are putative mediators of change in physical activity among boys and girls, as they begin the understudied transition from the fifth grade into middle school, when physical activity naturally declines.

SUBMITTER: Dishman RK 

PROVIDER: S-EPMC3716273 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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Publications

Construct validity of selected measures of physical activity beliefs and motives in fifth and sixth grade boys and girls.

Dishman Rod K RK   Saunders Ruth P RP   McIver Kerry L KL   Dowda Marsha M   Pate Russell R RR  

Journal of pediatric psychology 20130304 5


<h4>Objective</h4>Scales used to measure selected social-cognitive beliefs and motives for physical activity were tested among boys and girls.<h4>Methods</h4>Covariance modeling was applied to responses obtained from large multi-ethnic samples of students in the fifth and sixth grades.<h4>Results</h4>Theoretically and statistically sound models were developed, supporting the factorial validity of the scales in all groups. Multi-group longitudinal invariance was confirmed between boys and girls,  ...[more]

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