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Analyzing change at the dyadic level: the common fate growth model
Thomas Ledermann1, Siegfried Macho2
1Department of Psychology, University of Konstanz.
Summary
We introduce the Common Fate Growth Model (CFGM) for analyzing growth in couples. This novel method works for both distinguishable and indistinguishable dyad members, offering new insights into relationship dynamics.
Area of Science:
- Quantitative Psychology
- Social Sciences Methodology
- Relationship Science
Background:
- Traditional dyadic growth analysis often focuses on individual members.
- Existing methods may not adequately handle indistinguishable dyad members.
- There is a need for flexible models applicable to diverse couple types.
Purpose of the Study:
- To introduce a novel Common Fate Growth Model (CFGM) for dyadic growth analysis.
- To provide a statistical framework applicable to both distinguishable and indistinguishable dyad members.
- To detail estimation procedures using structural equation modeling (SEM) and multilevel SEM (MSEM).
Main Methods:
- Development and description of the Common Fate Growth Model (CFGM).
- Application of structural equation modeling (SEM) for distinguishable and indistinguishable members.
- Utilization of multilevel SEM (MSEM) for indistinguishable members and small groups, addressing measurement invariance (MI) and group-level means.
Main Results:
- The CFGM successfully accommodates growth analysis at the dyad level.
- SEM and MSEM provide robust estimation strategies for various dyadic structures.
- Demonstrated applicability using longitudinal couple data across seven measurement occasions.
Conclusions:
- The CFGM offers a versatile and powerful approach to studying dyadic growth.
- The proposed SEM and MSEM frameworks facilitate the analysis of complex relationship dynamics.
- Availability of Mplus code and Amos setups aids practical implementation and further research.
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