Items

Mean

Standard deviation

PSM1

3.306

1.358

PSM2

3.653

1.254

PSM3

4.184

1.082

PSI-1

1.469

0.883

PSI-2

1.939

0.793

PSI-3

2.102

0.909

PSI-4

2.449

0.672

PSI-5

1.939

0.818