Table 1.

Repeated measures ANOVA for PLA across all tracking groups during limited training (sessions 1–5)

Effect	Degrees of freedom	Contact		Latency		Probability
		F	p	F	p	F	p
Lever presses
Session	(4,288)	83.92	<0.001	144.89	<0.001	122.18	<0.001
Tracking group	(2,72)	73.03	<0.001	84.35	<0.001	88.50	<0.001
Session × tracking group	(8,288)	21.36	<0.001	26.93	<0.001	19.00	<0.001
Food cup pokes
Session	(4,288)	24.14	<0.001	37.98	<0.001	25.01	<0.001
Tracking group	(2,72)	35.26	<0.001	51.09	<0.001	39.81	<0.001
Session × tracking group	(8,288)	19.35	<0.001	18.34	<0.001	12.48	<0.001

Bold numbers indicate p < 0.05.