Table 3. Mean, SD, and ES of the differences between actual and predicted RPE values.

	RPESSE− RPE V̇O2R		RPESSE− RPEHRR
	15 min	45 min	15 min	45 min
SSE at 60% of HRR
Mean	−0.9	1.3	−0.9	0.5
SD	2.8	3.2	2.1	2.3
ES	−0.32	0.40	−0.42	0.21
SSE at 80% of HRR
Mean	−2.3	0.9	−2.0	−0.5
SD	3.2	2.7	2.2	2.2
ES	−0.74	0.34	−0.93	−0.23

Notes.

SD

standard deviation

ES

Cohen’s d effect size

HRR

heart rate reserve

V̇O₂R

oxygen uptake reserve

SSE

steady-state exercise

RPE_SSE

rating of perceived exertion (RPE) reported during SSE

RPE_V̇O2R

rating of perceive exertion predicted from SSE V̇O₂R using incremental RPE-V̇O₂R relationship

RPE_HRR

rating of perceive exertion predicted from SSE HRR using incremental RPE-HRR relationship