Table 1.

Learn phase behavioral results

Proportion of Approach Responses
Omnibus 2 × 2 ANOVA
Effect	DOF	F	P	ηG2 [95% CIs]
Valence (Positive vs. Negative)	1, 19	1667.99	<0.001*	0.92 [0.0000017, 0.0082]
Presentation (1–16)	1, 19	1.76	0.04*	0.04 [0.011, 0.045]
Valence × Presentation	15, 285	122.227	<0.001*	0.65 [0.01, 0.045]
Post hoc pairwise comparisons at each presentation
Pair	DOF	t	P	d [95% CIs]
Positive versus Negative at Presentation 1	19	1.99	0.063	0.2 [−0.632, 0.632]
Positive versus Negative at Presentation 2–16	19	All ≥ 3.58	All ≤ 0.0032*	All ≥ 0.99 [−0.6295 to −0.6234, 0.623–0.655]
Response Time
Omnibus 2 × 2 ANOVA
Effect	DOF	F	P	ηG2 [95% CIs]
Valence (Positive vs. Negative)	1, 19	3.27	0.083	0.0017 [0.000001345, 0.0062]
Presentation (1–16)	1, 19	57.95	<0.001*	0.54 [0.0078, 0.0338]
Valence × Presentation	15, 285	1.36	0.175	0.0042 [0.008, 0.034]

Note: All post hoc P-values are Holm–Bonferroni corrected. ^*p < 0.05.