Revisiting the Relationship between Birth Order and Romantic Jealousy: No Support for an Effect in Four Samples
Pollet TV; Fitzpatrick B; Meziani S; Pashley EM; Sefcikova E · 2025 · Preprint
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Birth order has long been argued to be an important individual difference variable for domains such as personality and achievement. However, after many decades of research, the evidence for a birth order effect is scarce at best. Less is…
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Metadata source: Europe PMC · DOI 10.31234/osf.io/hn2j4_v2