Research Article
Reliabilities of Mental Rotation Tasks: Limits to the Assessment of Individual Differences
Table 1
Split-half reliabilities.
| | Intercepts | Slopes | | Correlation | | Reliability | Correlation | | Reliability |
| Blocked | .65 | <.001 | .79 | .54 | <.001 | .79 | Hand | .5 | <.001 | .67 | .14 | .35 | .24 | Leg | .44 | <.001 | .61 | −.02 | .18 | | Face | .43 | <.001 | .60 | .02 | .91 | .03 | Car | .4 | <.001 | .57 | .23 | .11 | .38 | Mixed | .7 | <.001 | .82 | .11 | .46 | .2 | Hand | .44 | <.001 | .61 | −.06 | .71 | | Leg | .3 | .04 | .47 | .13 | .38 | .23 | Face | .51 | <.001 | .67 | −.08 | .60 | | Car | .21 | .16 | .34 | .19 | .2 | .32 |
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Note: reliability for full test adjusted according to Spearman-Brown formula. The formula is not applicable to negative correlations.
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