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Table 1 Distribution and WCST performance under standard or modified administration (verbalization) of the studied sample.

From: The effect of verbalization strategy on wisconsin card sorting test performance in schizophrenic patients receiving classical or atypical antipsychotics

 

WCST Performance

WCST indexes

Total sample (n = 63)

Good (n = 40)

Poor (n = 16)

Remediable (n = 7)

Categories Achieved

    

   Standard adm.

3.9 ± 2.4#

5.6 ± 0.9

0.6 ± 0.9*

2.0 ± 1.4§

   Verbalization

4.6 ± 2.0

5.8 ± 0.4

1.3 ± 0.9

5.4 ± 0.7

Perseverative Errors

    

   Standard adm.

17.4 ± 11.9*

14.4 ± 11.2#

23.8 ± 11.6**

20.0 ± 12.0

   Verbalization

13.0 ± 17.6

4.8 ± 9.2

34.2 ± 19.0

11.0 ± 9.5

Total Errors

    

   Standard adm.

30.9 ± 15.8§

23.7 ± 13.8#

43.6 ± 10.8§

42.8 ± 11.1*

   Verbalization

23.6 ± 23.6

11.6 ± 15.6

53.4 ± 16.0

23.9 ± 15.1

Unique Errors

    

   Standard adm.

1.9 ± 4.4*

1.1 ± 2.2*

1.8 ± 3.1

6.7 ± 10.6

   Verbalization

0.8 ± 3.0

0.1 ± 0.4

1.6 ± 5.0

2.8 ± 4.5

  1. Paired t-tests Standard adm vs Verbalization: * P < 0.05; ** P < 0.01; § P < 0.005; # P < 0.0005