Table 1.

Table of fitted models^a

Model	Fixed effects	df	AIC
0	Target, background, number, target × background × number, target × background, target × number, background × number	14	−345.185
1	Target, background, number, target × background × number, target × background, target × number, background × number	20	−565.236
2	Target, background, number, target × background, target × number, background × number	16	−563.116
3	Target, background, number, target × number, background × number	14	−576.61
4	Target, background, number, target × number	12	−576.328
5	Target, background, number	8	−573.58
6	Target, background, number, target × number	9	−584.852

^aModel 0 contained number as a linear fit, all subsequent models fitted number as a quadratic. In model 6, the factor target was recoded to treat orthogonally striped and trinary targets identical. Participant was a random effect in all fitted models. df, degrees of freedom.