Table 3. The frequency of clarifying one of the two test photographs and the target photographs (young-Asian-men-doctor) as one group.

	A1,A2	A1,A3	A1,A4	A2,A3	A2,A4	A3,A4
A1	100	193	208
A2	152			210	210
A3		59		42		97
A4			44		42	155
sum	252	252	252	252	252	252

Notes.

A

young-Asian-men-doctor

A1

old-Asian-men-doctor

A2

young-Asian-women-doctor

A3

young-Asian-men-police

A4

young-African-men-doctor

The number 100 in the table refer to that the frequency of clarify the A with A1 together as one group in the categorization task of clarify the target A with A1 and A2, and the number 152 refer to that the frequency of clarify the A with A2 together as one group. 2(balance the position of the test photographs) *2(each type of multiple-category target have two difference photographs)*63(the number of participants) = 252.