Table 3.

Comparison of academic performance groups

RT Parameter	Academic performance			Analysis of Variance between groups **		Pairwise comparisons (post hoc analysis ***) P value
	Low achievers (N = 101)	Mid achievers (N = 415)	High achievers (N = 102)	F	P value
VRT (msec)	285.75 ± 91.7	260.36 ± 88.36	241.10 ± 69.13	6.40	0.001	Low–Mid = 0.01 Low–High = 0.001 Mid–High = 0.15
ART (msec)	278.75 ± 94.6	226.58 ± 74.8	208.5 ± 72.51	23.47	0.001	Low–Mid = 0.001 Low–High = 0.001 Mid–High = 0.13
CFFF (Hz)	25.68 ± 4.43	26.73 ± 5.54	31.27 ± 7.57	5.17	0.005	Low–Mid = 0.25 Low–High = 0.004 Mid–High = 0.01

p < 0.05, **analysis of variance, ***Tukey’s test