Research Article
The Development and Psychometric Properties of the Visuospatial Working Memory Assessment (VWMA) for Children
Table 3
Analysis of the known-group method of the computerized test analyzed statistically using the independent sample
-test (
).
| Format | Task | Independent -test for equality of means | | Df | | Mean difference | Std. error difference | 95% confidence interval of the difference | Lower | Upper |
| Computerized test | -back | -back | 1.61 | 59 | .11 | .74 | .46 | -.18 | 1.66 | -back with auditory interference | 2.13 | 59 | .04 | .96 | .45 | .06 | 1.86 | -back with visual interference | 2.48 | 59 | .02 | 1.23 | .50 | .24 | 2.22 | Running memory | Running memory | 5.34 | 59 | <.001 | 1.57 | .30 | .98 | 2.16 | Running memory with auditory interference | 6.23 | 59 | <.001 | 1.69 | .27 | 1.15 | 2.23 | Running memory with visual interference | 5.86 | 59 | <.001 | 1.60 | .27 | 1.05 | 2.14 |
| Tabletop test | -back | -back | 3.52 | 59 | <.001 | 1.14 | .32 | .49 | 1.78 | -back with auditory interference | 5.34 | 59 | <.001 | 2.01 | .38 | 1.26 | 2.76 | -back with visual interference | 3.05 | 59 | <.001 | 1.07 | .35 | .37 | 1.78 | Running memory | Running memory | 7.17 | 59 | <.001 | 2.01 | .28 | 1.45 | 2.57 | Running memory with auditory interference | 8.40 | 59 | <.001 | 2.27 | .27 | 1.73 | 2.81 | Running memory with visual interference | 8.03 | 59 | <.001 | 2.19 | .27 | 1.64 | 2.73 |
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