Baseline &

The 1st course

Baseline &

The 2nd course

Baseline &

The 3rd course

The 1st course & The 2nd course

The 1st course & The 3rd course

The 2nd course & The 3rd course

−2.15

−2.95

−3.77

−.77

−1.12

−0.11

Z value

0.031#

0.003##

0.000###

0.440

0.261

0.091

P value