Fitness Interdependence as Indexed by Shared Fate: Factor Structure and Validity of a New Measure

Jessica D. Ayers, Daniel Sznycer, Daniel Sullivan, Diego Guevara Beltrán, Olmo R. van den Akker, Andres E. Muñoz, Daniel J. Hruschka, Lee Cronk, Athena Aktipis

Research output: Contribution to journalArticlepeer-review

Abstract

Assessing interdependence between the self and specific others has a rich history in psychological science. Here, we report a novel scale that measures Shared Fate. Studies 1 and 2 (N1 = 198, N2 = 216) show that the Shared Fate Scale has two factors assessing perceived shared fate and emotional shared fate with a target, has good reliability (Cronbach’s α =.81 to.91; McDonald’s ω =.89 to.96), and predicts participants’ willingness to help interdependent others. Studies 3 and 4 (N3 = 695, N4 = 629) indicate that the Shared Fate Scale has good discriminant, convergent, concurrent, and predictive validity as well as test–retest reliability across a 14-day period. Taken together, our results suggest that the Shared Fate Scale is a useful instrument for work on cooperation, interdependence, and social behavior.

Original languageEnglish (US)
JournalEvolutionary Behavioral Sciences
DOIs
StateAccepted/In press - 2022

Keywords

  • Closeness
  • Interdependence
  • Perceived interdependence
  • Willingness to help

ASJC Scopus subject areas

  • Social Psychology
  • Experimental and Cognitive Psychology

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