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Interpersonal development, stability, and change in early adulthood
Aidan G C Wright1, Aaron L Pincus, Mark F Lenzenweger
1The Pennsylvania State University, USA.
Interpersonal styles show remarkable stability in early adulthood, with some individuals exhibiting nuanced changes. This study highlights how interpersonal differentiation and prototypicality predict stability in personality development.
Area of Science:
- Psychology
- Developmental Psychology
- Social Psychology
Background:
- The interpersonal circumplex is a key model for understanding social behavior.
- Early adulthood is a critical period for personality development and interpersonal style formation.
Purpose of the Study:
- To investigate the developmental trajectory of the interpersonal system in early adulthood.
- To examine the stability and change in interpersonal styles using the interpersonal circumplex framework.
- To explore the role of interpersonal differentiation and prototypicality in predicting interpersonal stability.
Main Methods:
- Longitudinal study of 250 participants (ages 18-22) over three college years.
- Utilized the Revised Interpersonal Adjective Scales to measure Dominance and Affiliation.
- Calculated structural, rank-order, mean, individual, and ipsative stability, alongside differentiation and prototypicality.
Main Results:
- Demonstrated excellent structural and high rank-order and ipsative stability in interpersonal scales.
- Observed mean increases in Affiliation, masking differential changes in specific interpersonal dimensions (octants).
- Found significant individual variation in change rates and linked higher differentiation and prototypicality to increased interpersonal style stability.
Conclusions:
- Interpersonal development in early adulthood is characterized by both significant stability and nuanced, individualized change.
- The interpersonal circumplex provides a robust framework for analyzing stable and dynamic aspects of social personality.
- Interpersonal differentiation and prototypicality are important indicators of stable interpersonal functioning during this developmental stage.
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