A Variance Explanation Paradox: When a Little is a Lot
Concerning a single major league at bat, the percentage of variance in batting performance attributable to skill differentials among major league baseball players can be calculated statistically. The statistically appropriate calculation is seriously discrepant with intuitions about the influence of...
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| Veröffentlicht in: | Psychological bulletin 1985-01, Vol.97 (1), p.129-133 |
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| container_title | Psychological bulletin |
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| creator | Abelson, Robert P |
| description | Concerning a single major league at bat, the percentage of variance in batting performance attributable to skill differentials among major league baseball players can be calculated statistically. The statistically appropriate calculation is seriously discrepant with intuitions about the influence of skill in batting performance. This paradoxical discrepancy is discussed in terms of habits of thought about the concept of variance explanation. It is argued that percent variance explanation is a misleading index of the influence of systematic factors in cases where there are processes by which individually tiny influences cumulate to produce meaningful outcomes. |
| doi_str_mv | 10.1037/0033-2909.97.1.129 |
| format | Article |
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| identifier | ISSN: 0033-2909 |
| ispartof | Psychological bulletin, 1985-01, Vol.97 (1), p.129-133 |
| issn | 0033-2909 1939-1455 |
| language | eng |
| recordid | cdi_proquest_journals_614362132 |
| source | EBSCOhost APA PsycARTICLES; Periodicals Index Online |
| subjects | Analysis of Variance Baseball Biological and medical sciences Fundamental and applied biological sciences. Psychology Human Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Psychometrics. Statistics. Methodology Statistical Analysis Statistics. Mathematics Variability Measurement |
| title | A Variance Explanation Paradox: When a Little is a Lot |
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