Table 2: Shows that, except for the average scores of the planning and social cognition subscales, the average scores of the five cognitive skill subscales have increased.

Groups of dependent variables

Pre-test

Post-test

Cognitive skills

Control group

mean (standard deviation)

Experimental group

mean (standard deviation)

Control group

mean (standard deviation)

Experimental group

mean (standard deviation)

Memory

(0.78) 2.52

(0.80) 2.33

(0.74) 2.37

(0.60) 23.3

Inhibitory control and selective attention

(0.82) 2.08

(0.79) 2.03

(0.80) 2.09

(0.58) 3.07

Decision making

(0.63) 2.05

(0.68) 2.20

(0.60) 2.29

(0.55) 3.12

Planning

(0.67) 2.01

(0.69) 2.05

(0.70) 2/03

(0.66) 2.03

Sustained attention

(0.73) 2.13

(0.65) 2.04

(0.76) 2.15

(0.54) 3.17

Social cognition

(0.79) 2.06

(0.73) 2.10

(0.81) 2.13

(0.63) 2.09

Cognitive flexibility

(0.65) 2.00

(0.71) 2.04

(0.63) 2.07

(0.66) 3.08

Total score

14.85

14.79

47.93

19.79