Table 3 Results of the executive function tests—WCST, TBTP and TMT—for the control, good-insight and poor-insight groups controlling for education (ANCOVA)
From: Executive functions and insight in OCD: a comparative study
Executive/Attention | ||||||
|---|---|---|---|---|---|---|
ANCOVA | ||||||
Test | Control Mean ± St. Error | OCD good insight Mean ± St. Error | OCD poor insight Mean ± St. Error | F-test | p | Cohen’s F |
TBTP-ID (dispersion index) | 12.6 ± 1.9 | 19.0 ± 2.3 | 10.3 ± 3.1 | 3.243 | 0.043 | 0.25 |
TBTP-RT (work-efficiency) | 199.3 ± 8.5 | 146.0 ± 10.3 | 171.2 ± 13.9 | 7.749 | 0.001 | 0.38 |
TMT A (time) | 39.6 ± 3.3 | 50.6 ± 4.0 | 61.1 ± 5.5 | 6.101 | 0.003 | 0.34 |
TMT A (errors) | 0.5 ± 0.1 | 0.1 ± 0.2 | 0.2 ± 0.2 | 2.203 | 0.116 | 0.20 |
TMT B (time) | 87.7 ± 9.7 | 128.0 ± 11.6 | 148.5 ± 15.8 | 6.614 | 0.002 | 0.36 |
TMT B (errors) | 1.7 ± 0.5 | 3.2 ± 0.6 | 2.5 ± 0.8 | 1.784 | 0.173 | 0.18 |
WCST errors | 15.7 ± 1.4 | 17.6 ± 1.7 | 41.9 ± 2.3 | 52.502 | ≤0.001 | 1.00 |
WCST perseverance | 9.2 ± 0.8 | 9.1 ± 1.0 | 31.8 ± 1.4 | 115.930 | ≤0.001 | 1.51 |
WCST no perseverance | 8.1 ± 0.9 | 9.9 ± 1.1 | 10.3 ± 1.5 | 1.135 | 0.325 | 0.15 |
WCST perseverance errors | 8.5 ± 0.7 | 7.7 ± 0.8 | 31.6 ± 1.1 | 178.916 | ≤0.001 | 1.87 |