Items

Performance

Concentration and Attention Control

Initial Measurement

Final Measurement

Wilcoxon

Initial Measurement

Final Measurement

Wilcoxon

M

SD

M

SD

z

P

M

SD

M

SD

z

P

Forehand

1.92

0.996

2.25

0.965

2.87

0.004

2.08

0.669

2.83

0.389

2.31

0.021

Backhand

1.58

0.900

3.33

0.985

2.72

0.007

2.08

0.669

2.75

0.452

2.13

0.033

Push Pass

1.92

0.289

3.25

0.754

3.02

0.003

2.42

0.515

3.00

0.000

2.65

0.008

Hit

2.08

0.996

2.92

0.900

1.63

0.102

2.25

0.452

2.92

0.289

2.83

0.005