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Accuracy correlations for self-, informant-, and stranger-estimates of abilities based on aggregated and disaggregated data.

Accuracy correlations for self-, informant-, and stranger-estimates of abilities based on aggregated and disaggregated data.

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Who is the best judge of a person’s abilities—the person, a knowledgeable informant, or strangers just met in a 3-min speed date? To test this, we collected ability measures as well as self-, informant- and stranger-estimates of verbal, numerical and spatial intelligence, creativity, and intra- and interpersonal emotional competence from 175 young...

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Context 1
... statistics (Table A1 on page 7 of Appendix 1) and intercorrelations (Appendix 2) of all main variables can be found on the OSF. Within the SRM, variance in ratings can be portioned into different 9 While recruiting multiple informants per target would have likely also resulted in reliability benefits, this would have further increased participant burden, which was already considerable in this multi-step data collection process. ...
Context 2
... answer our first research question, we have computed correlations between estimates by the different sources and corresponding ability measures. The left-hand part of Table 1 shows these correlations for aggregated estimates (i.e., estimates that are more reliable but less comparable across sources). In line with our expectations, self-estimates of numerical intelligence, creativity, and the two social-emotional abilities showed relevant accuracy (i.e., r ≥ 0.2). ...
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... that the accuracy of self-, informant-, and stranger-estimates dropped considerably when we used ideational fluency instead of originality as performance criterion for creativity. The right side of Table 1 shows accuracy correlations based on disaggregated data (single items for self-and informant-estimates and single raters for stranger-estimates). Self-estimates again correlated at or above 0.2 with performance in four of six domains. ...
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... answer our second research question, we determined for which domains the correlations in Table 1 showed relevant differences between sources (i.e., r diff ≥ 0.15). For aggregated estimates, the following differences emerged: Contrary to our prediction, others had no accuracy advantage over the self for verbal intelligence. ...
Context 5
... of the relevant interactions reached statistical significance (all z ≤ ±1.33, all ps ≥ .182). Detailed results of all moderation analyses are available in Tables B10 to B13, interaction plots in Figures B2 and B3 in Appendix 1. ...