Table 7 -- Mean Gains
for Non-Major Sections,
By Instructor
TOTAL LISTENING READING
Instructor X
Business
MEAN GAIN -11.4 -21.7 10.3
General
MEAN GAIN -8.2 -8.2 0.0
TOEIC
MEAN GAIN 24.7 -13.3 38.0
Instructor Y
Business
MEAN GAIN 27.9 10.8 17.1
General
MEAN GAIN 27.2 4.6 30.9
TOEIC
MEAN GAIN 77.6 21.3 56.3