Table 4 Mixed ANOVA results: portion size, SEP, portion size*SEP interaction, predicting primary and secondary energy intake outcomes

Total daily energy intake

F(1,48) = 21.702, p < .001, partial Eta² = .311

F(1,48) = 7.5, p = .009, partial Eta² = .135

F(1,48) = 0.298, p = .588, partial Eta² = .006

F(1,44) = 5.871, p = .02, partial eta² = .118

F(1,44) = 0.036, p = .851, partial eta² = .001

F(1,44) = 0.794, p = .378, partial eta² = .018

Energy intake from portion-manipulated food

F(1,48) = 135.23, p < .001, partial Eta2 = .738

F(1,48) = 0.101, p = .751, partial Eta² = .002

F(1,48) = 2.124, p = .151, partial Eta² = .042

F(1,44) = 49.385, p < .001, partial eta² = .529

F(1,44) = 0.066, p = .798, partial eta² = .002

F(1,44) = 1.534, p = .222, partial eta² = .034

Energy intake from non-manipulated food

F(1,48) = 0.085, p = .772, partial Eta² = .002

F(1,48) = 9.189, p = .004, partial Eta² = .161

F(1,48) = 1.49, p = .228, partial Eta² = .030

F(1,44) = 1.498, p = .228, partial eta² = .033

F(1,44) = 0.179, p = .675, partial eta² = .004

F(1,44) = 0.132, p = .718, partial eta² = .003

Hunger^a

F(1,48) = 0.008, p = .931, partial Eta² < .001

F(1,48) = 1.206, p = .278, partial Eta² = .025

F(1,48) = 0.056, p = .815, partial Eta² = .001

F(1,44) = 0.232, p = .633, partial eta² = .005

F(1,44) = 0.391, p = .535, partial eta² = .009

F(1,44) = 0.564, p = .457, partial eta² = .013

Fullness^a

F(1,48) = 2.449, p = .124, partial Eta² = .049

F(1,48) = 0.185, p = .669, partial Eta² = .004

F(1,48) = 0.267, p = .608, partial Eta² = .006

F(1,44) = 1.122, p = .295, partial eta² = .025

F(1,44) = 0.008, p = .931, partial eta² < .001

F(1,44) = 0.01, p = .921, partial eta² < .001