Table 2. Pearson correlation coefficients (r) obtained between self-selected exercise intensity, expressed as percentage (%) of maximal heart rate reserve, and pre- to post-exercise change scores of eight measures of affect in two experiments. Dependent measure Pilot field Experiment Significance Laboratory Experiment Significance Anger r = .02 p = .87 r = .26 p = .15 Confusion r = .16 p = .12 r = .32 p = .08 Depression r = .02 p = .84 r = .15 p = .42 Fatigue r = .13 p = .20 r = .29 p = .11 Esteem r = .09 p = .39 r = .08 p = .68 Tension r = -.10 p = .32 r = -.06 p = .73 Vigor r = .10 p = .30 r = .06 p = .73 TMD r = .06 p = .56 r = .19 p = .31