A generalizability study of the medical judgment vignettes interview to assess students' noncognitive attributes for medical school

Table 3 Variance component results of a 29 participants, two judges and three Medical Judgment Vignettes stations

Source of Variation	df	Mean Squares	Variance Component	Variance Explained
Participants ( p )	28	6.597	0.765	41.69
Judges ( j )	1	0.508	0.003	0.16
MJV Stations ( s )	2	0.089	-0.031	0.00
*p × j*	28	0.118	-0.002	0.00
*p × s*	56	2.001	0.938	51.12
*j × s*	2	0.227	0.004	0.22
*pjs, e*	56	0.125	0.125	6.81
Total				100.00

Note: negative variance component estimates may occur – in this present study, the reason for their occurrence is that the true value of the variance equals zero.

ISSN: 1472-6920