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Personality and Social Psychology Bulletin
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Article

Sunken Costs and Desired Plans: Examining Different Types of Investments in Close Relationships

Wind Goodfriend1 and Christopher R. Agnew2*

1 Buena Vista University
2 Purdue University

* To whom correspondence should be addressed. E-mail: agnew{at}purdue.edu.


  Abstract
Although the concept of investments in romantic relationships has featured prominently in close relationships research, there have been no empirical analyses of different types of investments and their possible differential predictive power regarding relationship state or fate. With data from five independent samples, the authors offer and examine investments that differ in terms of their timing (past vs. planned) and materiality (tangible vs. intangible). Cross-sectional and longitudinal tests of hypotheses regarding these investment types provide evidence for the utility of considering specific types of investments in predicting a variety of important relationship factors, including commitment, stability, and the impact of breakup on relationship partners. Intangible investments and planned investments were found to be particularly robust predictors of key relational states and outcomes.

First published on September 8, 2008, doi:10.1177/0146167208323743

Personality and Social Psychology Bulletin 2008;34:1639.

A more recent version of this article appeared on December 1, 2008

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This article has been cited by other articles:


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[Abstract] [PDF]