Table 2.

Two data formats; capital letters denote items and numbers denote their ranks

	Study 1	Study 2	Study 3	Study 4
Item-based format
A	1	2	4	2
B	3	3	2	3
C	2	1	1	4
D	4	4	3	1
Rank-based format
1	A	C	C	D
2	C	A	B	A
3	B	B	D	B
4	D	D	A	C