Table 1.

MC test set for this study

Test	# Items	# Students	# Analyzed	# Non-responses*
A	42	40	1,668	12 (0.7%)
B	58	40	2,302	18 (0.8%)
C	42	35	1,415	55 (3.7%)
D	40	37	1,461	19 (1.3%)
E	29	20	569	11 (1.9%)
F	26	25	641	9 (1.4%)
G	32	20	638	2 (0.3%)
H	17	25**	412	13 (3.1%)
Total	286		9,106	139 (1.5%)

Note. # analyzed = # questions × # students - # non-responses

^*Number and % of instances of MC or confidence non-response, not the number of respondents

^**These students took Test F also.