A prospective longitudinal study of the associations between childhood & adolescent interpers. experiences & adult attachment orientations,2025, Dugan

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A prospective longitudinal study of the associations between childhood and adolescent interpersonal experiences and adult attachment orientations.

Dugan, Keely A.; Kunkel, Jacob J.; Fraley, R. Chris; Simpson, Jeffry A.; McCormick, Ethan M.; Bleil, Maria E.; Booth-LaForce, Cathryn; Roisman, Glenn I.

Abstract​

Attachment theory (Bowlby, 1973, 1980, 1969/1982) suggests that early interpersonal experiences lay the foundation for the ways people think, feel, and behave in close relationships throughout life.
The present study examined this fundamental assumption, analyzing longitudinal data collected from 705 participants and their families over 3 decades, from the time participants were infants until they were approximately 30 years old (Mage = 28.6, SD = 1.2; 78.7% White, non-Hispanic, 53.6% female, 46.4% male).
We examined the associations between early levels and growth (or changes) in the quality of people’s close relationships during childhood—including with their parents, friends, peers, and romantic partners—and their attachment orientations in adulthood.
The findings suggest that early experiences with caregivers play a foundational and enduring role in people’s attachment-related functioning: Early levels of mother–child relationship quality predicted individual differences in general attachment anxiety and avoidance in adulthood, as well as adults’ relationship-specificattachment orientations in each of their close relationships, including with their mothers, fathers, romantic partners, and best friends (median R² = 3% for attachment anxiety and avoidance across relationship domains).
Early levels and growth in the quality of people’s friendships during childhood also predicted general attachment orientations in adulthood (R²attachment anxiety = 2%; R²avoidance = 9%) and played a particularly important role in guiding the ways adults tended to think, feel, and behave in their friendships and romantic relationships (R²attachment anxiety = 4%; R²avoidance = 10%–11%).

Web | DOI | Journal of Personality and Social Psychology
 

AI Summary:
  • A new 30-year longitudinal study finds that childhood friendships have a stronger influence on adult attachment styles than parental relationships.
  • Maternal behavior still matters but explains only 2–3% of variation in adult attachment anxiety and avoidance, while early friendships account for 4–11%.
  • Fathers showed little measurable impact on later attachment patterns in the studied cohort.
  • High-quality early friendships predicted greater security in adult romantic and friendship relationships.
  • The findings challenge long-held assumptions rooted in Bowlby’s attachment theory that parents—especially mothers—are the primary shapers of attachment.
 
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