Skip to main content

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