Key result
The PACER 20-m shuttle run demonstrated moderate criterion-referenced equivalence reliability with the mile run/walk for boys (Pa = .83) and low reliability for girls (Pa = .66).
Population
266 fourth- and fifth-grade children from one public school, mean age 10.5 ± 0.5 years
Comparison
PACER 20-m multistage shuttle run (two trials) vs Mile run/walk (one trial)
Design
Cross-sectional
Authors
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Caution against interchangeable PACER and mile run use in girls; leaves open gender-specific criterion refinement in youth fitness tests.
Cross-Sectional (n=266)
No
Effect estimate: Pa = 0.83 (boys), 0.66 (girls)
The PACER and mile run/walk show moderate equivalence reliability in boys but low equivalence in girls, largely due to low criterion-referenced standards for girls in the PACER.
Mahar et al. (1997) conducted a cross-sectional in Physical fitness (n=266). PACER 20-m multistage shuttle run vs. Mile run/walk was evaluated on Criterion-referenced equivalence reliability (Pa = 0.83 (boys), 0.66 (girls)). The PACER 20-m shuttle run demonstrated moderate criterion-referenced equivalence reliability with the mile run/walk for boys (Pa = .83) and low reliability for girls (Pa = .66).
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