Table 2 Significant main and interaction effects of type 3 F-tests on mean variable errors (SD).

From: Estimating time-to-contact when vision is impaired

 

dfNum

dfDen

F

p

ηp2

TTC

1.88

43.23

9.35

 < .001

.29

Contrast × Velocity

1

23

10.01

.004

.30

Velocity × TTC

2

46

3.39

.04

.13

  1. p-values and degrees of freedom in the table incorporate Huynh–Feldt correction if appropriate. dfNum = numerator degrees of freedom. dfDen = denominator degrees of freedom. ηp2 = partial eta-squared.