Measuring the contribution of specialist vocabulary knowledge to academic achievement: disentangling effects of multiple types of word knowledge

Table 1 Summary of scores on testing measures (n = 94)

Test measure	Max. Possible score	M	SD
GVST	114	92.44	20.69
AVST	114	85.16	21.33
BVST	114	78.2	21.79
GPA	4	2.99	0.60
BusGPA	100	77.55	12.37