marginally significantp = .025
Item 8 showed marginally significant misfit ( p = .025).
Item 8 showed marginally significant misfit ( p = .025).
Although close to significance, there was no sex difference in ability found in this study, and the effect size was small ( d = 0.18) compared to the effects commonly found in tests of mental rotation ( d = 0.67, Voyer et al. 1995 ).