Baseline &

The 1st course

Baseline &

The 2nd course

Baseline &

The 3^rd course

The 1st course & The 2nd course

The 1st course & The 3^rd course

The 2nd course & The 3^rd course

−2.714^b

−4.796^b

−3.838^b

−3.130^b

−1.732^b

−1.091^c

Z value

0.007^##

0.000^###

0.000^###

0.002^##

0.083

0.275

P value