Table 2.

Mean Cronbach’s alpha calculated from 50 random samples of size N from each of the BWS and Likert conditions. Higher values of alpha indicate increased reliability for the face-level scores in that condition. BWS best-worst scaling

N	BWS	Likert
8	0.703	0.655
12	0.814	0.745
20	0.870	0.839
30	0.911	0.883
40	0.931	0.914
50	0.947	0.929
166	0.984	0.978