Expected Interdependence Scale

Baker, L. R., McNulty, J. K., Brady, A., & Montalvo, S. (2020). A new measure of expected relationship satisfaction, alternatives, and investments supports the expectations of interdependence model. In L. E. VanderDrift, C. R. Agnew, & X. B. Arriaga (Eds.), Interdependence, Interaction, and Close Relationships (Advances in Personal Relationships). Cambridge: Cambridge University Press.

Expected SatisfactionExpected AlternativesExpected InvestmentRelationship ExpectationsSatisfactionQuality of AlternativesInvestmentInterdependence

Investment Model Scale

Rusbult, C. E., Martz, J. M., & Agnew, C. R. (1998). The investment model scale: Measuring commitment level, satisfaction level, quality of alternatives, and investment size. Personal Relationships, 5 (4), 357-387. https://doi.org/10.1111/j.1475-6811.1998.tb00177.x

CommitmentSatisfactionInvestmentQuality of Alternatives