Row	Measure	Predictor	t	df	p	β	SE
1	Viewing time	0°: linear (features in memory)	3.179	22.31	< 0.001	1.804	0.567
2	Viewing time	0°: quadratic (features in memory)	−0.009	3085	.993	−0.003	0.385
3	Viewing time	45°: linear (features in memory)	−1.835	2946	.067	−0.757	0.413
4	Viewing time	45°: quadratic (features in memory)	1.069	18.32	.299	0.848	0.793
5	Viewing time	90°: linear (features in memory)	1.072	23.26	.295	0.834	0.779
6	Viewing time	90°: quadratic (features in memory)	4.436	25.88	< 0.001	2.332	0.525
7	Viewing time	135°: linear (features in memory)	3.479	21.95	.002	2.537	0.729
8	Viewing time	135°: quadratic (features in memory)	7.192	1329	< 0.001	3.159	0.439

Each row shows the results of a predictor variable.

The p-values were calculated with the Satterthwaite’s degrees of freedom method.