Table 3.

Dual Latin-square design used in the study

Subject Group	Order	Scene List
1	1 = Search–Mem–Pref	Search: 1, Mem: 2, Pref: 3
2	1 = Search–Mem–Pref	Search: 3, Mem: 1, Pref: 2
3	1 = Search–Mem–Pref	Search: 2, Mem: 3, Pref: 1
4	2 = Pref–Search–Mem	Search: 2, Mem: 3, Pref: 1
5	2 = Pref–Search–Mem	Search: 1, Mem: 2, Pref: 3
6	2 = Pref–Search–Mem	Search: 3, Mem: 1, Pref: 2
7	3 = Mem–Pref–Search	Search: 3, Mem: 1, Pref: 2
8	3 = Mem–Pref–Search	Search: 2, Mem: 3, Pref: 1
9	3 = Mem–Pref–Search	Search: 1, Mem: 2, Pref: 3

Participants were allocated to nine groups, controlling in which order they performed the three viewing tasks and which set of images they were presented in each task. Mem = memorization, Pref = preference