Table 3.

Individual prediction errors (predicted O_2max − measured O_2max) across all trials.

Part #	Protocol
	Bruce	UCLA	WFI	Shuttle	Cycle
01	−25.9	2.0	−6.2	−4.9	−13.5
02	0.0	7.2	7.5	1.4	5.3
03	−6.0	−10.5	−15.3	−1.0	−9.6
04	−2.3	−5.5	−4.5	−12.3	−10.2
05	−5.5	−3.4	−15.7	5.3	−8.0
06	−4.3	5.8	−6.3	4.4	2.1
07	−15.4	−17.9	−12.5	−16.5	−23.4
08	−3.2	0.2	−0.8	4.9	5.9
09	−5.2	4.3	0.8	3.9	−1.5
10	−14.6	−15.5	−11.3	−6.6	1.3

O_2max, maximal oxygen uptake; Part #, participant number; WFI, Wellness Fitness Initiative; units are mL·kg⁻¹·min⁻¹.