| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10440593 | Personality and Individual Differences | 2011 | 5 Pages |
Abstract
⺠Birth order hypotheses of Sulloway (1996) were tested with a between-families design. ⺠Few studies of birth order have used informants, such as family members or peers. ⺠Personality ratings were gathered from the self, a peer, and one parent. ⺠No significant differences between firstborns and laterborns on five factor traits. ⺠Effect sizes were near-zero using self-ratings and ratings by peers and parents.
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Authors
Victoria A. Marini, John E. Kurtz,