An examination of perceptual-motor recalibration in a 1-vs-1 anticipation test

Figures & data

Figure 1. 1-vs-1 anticipation test.

Figure 2. Timeline of experimental protocol.

Figure 3. Gaze behaviour locations of interest.

Figure 4. Player trial time and tester trial time across the three testing phases. Player (black) and tester (Grey).

Figure 5. Movement time across the three testing phases.

Figure 6. Action-scaled time across the three testing phases. Action-scaled time = player trial time + movement time/tester trial time.

Table 1. Between testing phases gaze behaviour with Friedman test statistics.

Variable	Baseline (Mdn)	Disturbance (Mdn)	Removal (Mdn)	Test Statistic (X^2)	Significance
Number of Fixations (n)	2.24	2.05	1.72	11.83	p = .03*
Duration of Fixation (s)	0.38	0.40	0.36	1.31	p = .52
Duration of Final Fixation (s)	0.40	0.42	0.36	0.03	p = .98
Scan Ratio	2.60	2.50	2.77	1.09	p = .58

Table 2. Wilcoxon-Signed Rank tests of gaze behaviour variables. Successful compared to unsuccessful trials.

Variable	Successful (Mdn)	Unsuccessful (Mdn)	Test Statistic (Z)	Significance (ES [95% CI])
Number of Fixations (n)	2.40	2.30	−0.40	p = .68 (r = 0.04 [−.24, .33])
Duration of Fixation (s)	0.40	0.36	−1.52	p = .12 (r = 0.28 [−.01, .58])
Duration of Final Fixation (s)	0.52	0.40	−1.45	p = .14 (r = 0.25 [−.04, .54])
Scan Ratio	2.50	2.34	−0.16	p = .87 (r = 0.02 [−.27, .31])

Table 3. Quadratic regression analysis of gaze behaviour between two testing transitions.

Variable	Transition
	Baseline/Disturbance	Disturbance/Removal
Number of Fixation	F (2,22) = 6.06, p = .01, R^2 = 0.35	F (2,22) = 2.73, p = .08, R^2 = 0.19
Duration of Fixation	F (2,22) = 0.09, p = .90, R^2 = 0.01	F (2,22) = 0.42, p = .65, R^2 = 0.03
Scan Ratio	F (2,22) = 0.53, p = .59, R^2 = 0.04	F (2,22) = 0.51, p = .60, R^2 = 0.04
Duration of Final Fixation	F (2,22) = 1.55, p = .23, R^2 = 0.12	F (2,22) = 0.45, p = .64, R^2 = 0.04
Final Fixation Location (Legs)	F (2,22) = 0.95, p = .40, R^2 = 0.08	F (2,22) = 1.59, p = .25, R^2 = 0.13
Final Fixation Location (COD P)	F (2,22) = 0.80, p = .46, R^2 = 0.06	F (2,22) = 0.24, p = .78, R^2 = 0.02
Final Fixation Location (Other)	F (2,22) = 0.35, p = .70, R^2 = 0.03	F (2,22) = 1.96, p = .16, R^2 = 0.15