Group


Large-Scale TEAL
Spring 2003

Prototype TEAL
Fall 2003
Control Group
Lecture /Recitation
Spring 2002

N
Gain
N
Gain
N
Gain

All

514
0.52 + 0.22
176
0.46 + 0.26
121
0.27 + 0.31

High

40
0.46 + 0.33
58
0.56 + 0.29
19
0.13 + 0.43

Intermediate

176
0.55 + 0.22
48
0.39 + 0.26
50
0.26 + 0.34

Low

298
0.51 + 0.19
70
0.43 + 0.22
52
0.33 + 0.20

Normalized Gains for the Pre- and Post-testing for the Terms Shown