Table 3.
Means and standard deviations in each neuropsychological variable by group
| Neuropsychological variables | Long-term ED M (SD) | Short-term ED M (SD) | Senior control M (SD) | Junior control M (SD) | Statistics between groups ANCOVA | Post-hoc Scheffé p-value c1 ¦c2 ¦c3 |
Effect size Cohen’s d c1 ¦c2 ¦c3 |
|---|---|---|---|---|---|---|---|
| Matrix Rotationa | n=33 | n=34 | n=33 | n=33 | |||
| Test Time | 0.16 (0.92) | 0.05 (0.99) | -0.41 (0.95) | 0.20 (1.06) | F=2.32; df=3; p=.076 | NS¦ NS ¦ NS | - - ¦ - - ¦ - - |
| Test Number | -0.44 (1.18) | -0.03 (1.07) | 0.30 (0.69) | 0.17 (0.86) | F=4.69; df=3; p=.004 | NS¦ .023 ¦ NS | - - ¦ -.77 ¦ - - |
| Stroopa | n=32 | n=33 | n=1 | n=31 | |||
| Name Cost | 0.46 (0.95) | 0.03 (0.95) | -0.25 (0.89) | -0.26 (1.07) | F=4.61; df=3; p=.004 | NS¦ .038 ¦NS | - - ¦ .77 ¦ - - |
| Color Cost | -0.57 (1.53) | 0.21 (0.78) | 0.15 (0.50) | 0.18 (0.71) | F=3.22; df=3; p=.025 | .028¦ NS ¦ NS | -.64¦ - - ¦ - - |
| Trail Making Testa | n=33 | n=33 | n=32 | n=32 | |||
| Part A | 0.29 (0.81) | 0.15 (1.64) | -0,24 (0.43) | -0-22 (0.54) | F=2.40; df=3; p=.070 | NS¦ NS ¦NS | - -¦ - - ¦ - - |
| Part B | 0.44 (1.30) | -0.35 (0.84) | -0.34 (0.41) | -0.07 (1.09) | F=3.63; df=3; p=.015 | NS¦ .017 ¦NS | - -¦ .81 ¦ - - |
| Part B-A | 0.26 (0.98) | -0.15 (1.34) | -0.19 (0.29) | 0.77 (1.05) | F=1.37; df=3; p=.256 | NS¦ NS ¦ NS | - -¦ - - ¦ - - |
| Tower of London (ToL)a | n=31 | n=32 | n=32 | n=32 | |||
| Total | 0.46 (1.18) | -0.04 (0.75) | -0.37 (0.94) | -0.04 (0.94) | F=4.59; df=3; p=.004 | NS ¦.010 ¦ NS | - -¦ .78 ¦ - - |
| Posner Testa | n=33 | n=35 | n=30 | n=29 | |||
| By validity condition | |||||||
| Invalid Mean | 0.47 (1.57) | -0.27 (0.28) | 0.01 (1.05) | -0.21 (0.26) | F=3.80; df=3; p=.012 | .023¦ NS ¦ NS | .65 ¦ - - ¦ - - |
| Neutral Mean | 0.18 (1.25) | -0.18 (0.15) | 0.13 (1.54) | -0.11 (0.32) | F=1.05; df=3; p=.374 | NS¦ NS ¦ NS | - - ¦ - - ¦ - - |
| Valid Mean | 0.28 (1.14) | 0.07 (1.45) | -0.12 (0.44) | -0.27 (0.31) | F=2.30; df=3; p=.081 | NS¦ NS ¦ NS | - - ¦ - - ¦ - - |