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Self-Report Tests of Personality01:22

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The Revised Commitment Inventory: Psychometrics and Use with Unmarried Couples.

Jesse Owen1, Galena K Rhoades, Scott M Stanley

  • 1University of Louisville.

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|May 15, 2012
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Summary

This study validates the revised Commitment Inventory for premarital couples, confirming its structure and reliability for measuring dedication and constraint commitment in relationships.

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Area of Science:

  • Psychology
  • Social Psychology
  • Relationship Science

Background:

  • The Commitment Inventory (Stanley & Markman, 1992) assesses interpersonal commitment, but revisions necessitate psychometric evaluation.
  • Limited research exists on measuring commitment specifically within unmarried or cohabiting couples.

Purpose of the Study:

  • To examine the psychometric properties of the revised Commitment Inventory.
  • To assess the inventory's validity and reliability for use with premarital and cohabiting couples.

Main Methods:

  • Dyadic confirmatory factor analyses were conducted on data from 320 premarital or cohabiting couples (N=640).
  • Internal consistency, within-couple correlations, and correlations with relationship quality, negative communication, and religiosity were analyzed.

Main Results:

  • The hypothesized factor structure (one dedication subscale, six constraint subscales) demonstrated a good fit for both male and female participants.
  • Internal consistency coefficients were acceptable for most subscales.
  • Correlations among subscales and with external variables provided further evidence of validity.

Conclusions:

  • The revised Commitment Inventory is a psychometrically sound measure for assessing commitment in premarital and cohabiting relationships.
  • Findings support the use of this inventory for future research on relationship dynamics in non-married couples.