Table 2.

Practice-related improvements of outcome and predictor measures

Category	Measure	Trial × Trial						Week × Week						Interaction
		Fit	${\beta }_1$	SE	$r^2$	$f^2$	$p$	Fit	${\beta }_2$	SE	$r^2$	$f^2$	$p$	${\beta }_3$	SE	$r^2$	$f^2$	$p$
Task	TH	log	0.26	0.02	0.07	0.23	< 10–6	log	0.49	0.02	0.24	0.82	< 10–6	− 0.16	0.02	0.03	0.09	< 10–6
	DA	log	− 0.13	0.02	0.00	0.00	0.17	ln	0.20	0.02	0.04	0.11	< 10–6
Skilled Limb Movement	MHS	log	0.09	0.02	0.01	0.03	< 10–4	ln	0.21	0.02	0.04	0.14	< 10–6
	MHA	log	0.07	0.03	0.00	0.01	0.01	ln	0.07	0.03	0.00	0.01	0.009	− 0.08	0.03	0.01	0.01	0.004
	HSB	ln	0.07	0.03	0.01	0.01	0.01	ln	0.14	0.03	0.02	0.03	< 10–5	0.08	0.03	0.01	0.01	0.005
	HAB	ln	0.14	0.03	0.02	0.03	< 10–4	ln	0.04	0.03	0.00	0.00	0.19
Visual Search	OF	log	0.12	0.02	0.01	0.04	< 10–6	log	0.32	0.02	0.10	0.29	< 10–6	− 0.12	0.02	0.01	0.04	< 10–6
	EH	log	0.22	0.03	0.05	0.12	< 10–6	ln	0.38	0.03	0.15	0.36	< 10–6
	SFB	log	0.04	0.03	0.00	0.00	0.22	ln	0.10	0.03	0.01	0.01	0.001
Eye-Hand	GHD	log	− 0.01	0.02	0.00	0.00	0.65	log	0.33	0.02	0.11	0.69	< 10–6	− 0.07	0.02	0.01	0.03	< 10–5
Visuomotor Decisions	TFT	log	− 0.06	0.02	0.00	0.01	0.01	log	− 0.27	0.02	0.08	0.20	< 10–6	0.11	0.02	0.01	0.03	< 10–5
	DFT	ln	0.02	0.02	0.00	0.00	0.33	ln	0.11	0.02	0.01	0.04	< 10–6	0.08	0.02	0.01	0.02	0.001
	FTD	log	− 0.10	0.03	0.01	0.01	0.002	log	− 0.41	0.03	0.16	0.25	< 10–6

Bold indicates measures that exhibited meaningful trial-by-trial or week-by-week changes (f² ≥ 0.02).

SE standard error, TH Targets Hit, DA Distractors Avoided, MHS Mean Hand-Speed, MHA Mean Hand-Area, HSB Hand-Speed Bias, HAB Hand-Area Bias, OF Objects Foveated, EH Extrafoveal Hits, SFB Spatial Foveation Bias, GHD Gaze-Hand Distance, TFT Target Foveation Time, DFT Distractor Foveation Time, FTD Foveation Time Difference