Table 3 WCST indices (categories, response type, others) among the studied participants (n = 101)

 Categories completed

4 ± 1.23

3.36 ± 1.41

0.347

 Categories experienced

4.80 ± 1.10

4.24 ± 1.37

0.392

 Trials to complete 1st category

14.80 ± 9.63

14.88 ± 7.41

0.983

 Correct (T)

54.40 ± 4.16

45.79 ± 9.04

0.045*

 Correct (M)

11.75 ± 2.31

11.61 ± 3.25

0.925

 Errors (T)

9.60 ± 4.16

18.21 ± 9.04

0.045*

 Errors (M)

2.33 ± 1.88

6.23 ± 7.39

0.017*

 Perseverative responses (T)

19.20 ± 2.28

20.79 ± 8.15

0.671

 Perseverative responses (M)

5.63 ± 2.73

8.20 ± 8.67

0.519

 Perseverative errors (T)

6.60 ± 2.61

11.42 ± 7.76

0.015*

 Perseverative errors (M)

2.14 ± 1.89

5.72 ± 8.65

0.047*

 Non-perseverative errors (T)

3.00 ± 2.00

6.91 ± 6.55

0.014*

 Non-perseverative errors (M)

0.75 ± 0.73

2.26 ± 3.04

0.023*

 Unique errors (T)

1.00 ± 1.00

2.21 ± 4.50

0.556

 Unique errors (M)

0.23 ± 0.21

0.84 ± 2.19

0.540

 Failure to maintain set

0.60 ± 0.89

0.70 ± 1.49

0.914

 Learning to learn

2.81 ± 3.26

4.06 ± 6.12

0.665

 Conceptual level responses

50.20 ± 4.55

40.52 ± 12.37

0.005*