Eye movements reflect expertise development in hybrid search

Cognitive Research: Principles and Implications

Table 2 Results of analyses on multiple percentage change RT measures

Dependent variable	Effect	df	F	p	η_p²
Latency to first target	Number of targets (NT)	2, 18	0.01	0.987	0.001
	Session (S)*	13, 117	39.10	< 0.001	0.81
	NT × S	26, 234	0.95	0.534	0.01
Latency to all targets	Number of targets (NT)	2, 18	2.18	0.142	0.19
	Session (S)*	13, 117	57.19	< 0.001	0.86
	NT × S*	26, 234	2.86	0.022	0.24
Trial termination	Number of targets (NT)	2, 18	1.57	0.235	0.15
	Session (S)*	13, 234	9.71	< 0.001	0.52
	NT × S*	26, 234	3.29	0.011	0.27
First target click	Target frequency (TF)	3, 27	1.80	0.183	0.17
	Session (S)*	13, 117	38.41	< 0.001	0.81
	TF × S	39, 351	1.74	0.124	0.16
Second target click	Target frequency (TF)	3, 27	0.872	0.433	0.09
	Session (S)*	13, 117	34.55	< 0.001	0.79
	TF × S	39, 351	1.72	0.125	0.16
Third target click	Target frequency (TF)	3, 27	1.88	0.222	0.27
	Session (S)*	13, 117	25.37	< 0.001	0.84
	TF × S	39, 351	1.44	0.252	0.22