Table 3.

Results of the Analyses of Variance Used to Explore the Effect of Age, Compatibility (Next), and Trial Number (Go 1 or Go 2) on Performance (All Age Groups Included)

Measure and predictor	Sum-of-squares effect	Sum-of-squares error	F(1, 194)	p	Generalized η2
Next accuracy
Age	0.003	1.439	0.463	.497	.001
Compatibility	0.815	1.372	115.281	< .001	.225
Age × Compatibility	0.000	1.372	0.015	.903	.000
Next response time (all next responses included)
Age	57,461,009	125,243,644	89.006	< .001	.297
Compatibility	3,245,765	10,725,756	58.707	< .001	.023
Age × Compatibility	278,590	10,725,756	5.039	.026	.002
Next response time (correct next responses only)
Age	52,994,412	116,227,799	88.455	< .001	.300
Compatibility	1,301,115	7,295,666	34.598	< .001	.010
Age × Compatibility	145,125	7,295,666	3.859	.051	.001
Go accuracy
Age	0.435	2.531	33.334	< .001	.138
Trial Number	0.026	0.189	26.967	< .001	.010
Age × Trial Number	0.000	0.189	0.116	.734	.000
Go response time
Age	40,974,659	74,749,414	106.343	< .001	.320
Trial Number	16,296,012	12,334,139	256.315	< .001	.158
Age × Trial Number	3,960,352	12,334,139	62.291	< .001	.043

Note: Age was a continuous numerical variable; thus, the first df was 1. Significant p values are boldfaced.