Blz. 116 Publication Manual of the American Psychological Association, 2010:
"High-school GPA statistically predicted college mathematics performance, R2 = .12, F(1,0148) =20.18, p < .001, 95% CI [.02, .22]. The four-subtest battery added to this prediction, R2 = .21, ΔR2 = .09, F(4, 144) = 3.56, p = .004, 95% CI [.10, .32]. Most important, when the two preceding variables were statistically accounted for, the college mathematics placement examination also explained unique variance in students' college mathematics performance, R2 = .25, ΔR2 = .04, F(1, 143) = 7.63, p = .006, 95% CI [.13, .37]."
Horen de bovengenoemde p-waarden bij de F of bij de betrouwbaarheidsintervallen?