This study was an attempt to replicate the findings of earlier research in which conclusions were based on a questionable interpretation of statistical results. A 2 × 2 repeated-measures analysis of covariance did not confirm, as had been previously reported, greater heart-rate recovery for 20 aerobically fit subjects as opposed to 20 unfit subjects following psychosocial stress. Two indices of electrodermal activity and State-Trait Anxiety Inventory responses also were utilized. Only the comparison between groups for Trait Anxiety was statistically significant.
Jamieson, Evans, and Cox discuss several issues regarding our previous attempt to replicate their work. Three aspects of their reply are addressed as they relate to our research.
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