Table 3.
Subtests differences between the groups in Verhage (1964)
| Sub test | Religious groups | Subtest differences between group (in effect size d) | Mean difference | g loading | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Roman Catholics (RC) | Dutch Reformed Church (DRC) | Reformed church services (RCS) | Non-church members (NoC) | RC-DRC | RC-RCS | RC-NoC | DRC-RCS | DRC-NoC | RCS-NoC | |||
| d | D | d | d | d | d | Md | ||||||
| Word list | 24.48 (4.85) | 25.27 (4.84) | 25.90 (4.49) | 26.71 (5.01) | 0.16 | 0.29 | 0.46 | 0.13 | 0.3 | 0.17 | 20 | .75 |
| Figures | 24.76 (5.03) | 24.88 (4.61) | 25.54 (5.34) | 25.78 (4.98) | 0.02 | 0.16 | 0.21 | 0.13 | 0.18 | 0.05 | .12 | .78 |
| Sailing exercise | 24.58 (5.14) | 25.12 (4.80) | 25.84 (4.89) | 25.33 (4.24) | 0.11 | 0.25 | 0.15 | 0.14 | 0.04 | − 0.1 | .03 | .79 |
| Sorting | 24.76 (4.79) | 24.97 (4.87) | 25.21 (5.03) | 25.90 (4.93) | 0.04 | 0.09 | 0.23 | 0.05 | 0.19 | 0.14 | .13 | .79 |
| Gestalt completion | 24.49 (5.26) | 24.94 (4.88) | 24.40 (5.26) | 26.02 (4.97) | 0.09 | − 0.02 | 0.3 | − 0.11 | 0.21 | 0.32 | .14 | .58 |
| Numbers | 24.31 (4.99) | 25.54 (4.95) | 25.27 (5.21) | 25.93 (4.67) | 0.25 | 0.19 | 0.33 | − 0.05 | 0.08 | 0.13 | .05 | .48 |
| Card rotations | 24.95 (4.97) | 24.82 (5.08) | 24.73 (5.38) | 25.66 (5.20) | − 0.03 | − 0.04 | 0.14 | − 0.02 | 0.17 | 0.18 | .11 | .75 |
| Word matrix | 24.46 (5.17) | 25.06 (5.05) | 25.72 (4.49) | 25.60 (5.49) | 0.12 | 0.25 | 0.22 | 0.13 | 0.11 | − 0.02 | .07 | .80 |
| Naming animals | 24.55 (5.02) | 24.91 (4.18) | 25.15 (4.88) | 26.38 (5.23) | 0.07 | 0.12 | 0.36 | 0.05 | 0.29 | 0.24 | .19 | .64 |
| Naming professions | 24.40 (5.23) | 25.03 (4.92) | 24.73 (4.75) | 26.26 (5.43) | 0.12 | 0.06 | 0.36 | − 0.06 | 0.24 | 0.3 | .20 | .60 |
To calculate the effect sizes, the pooled SD of the groups was used