Related Experiment Video
Updated: Jun 22, 2026

11:13
The Social Dimension of Stress: Experimental Manipulations of Social Support and Social Identity in the Trier Social Stress Test
Published on: November 19, 2015
Weight stigma in existing romantic relationships
Alice D Boyes1, Janet D Latner
1Department of Psychology, University of Canterbury, New Zealand.
Journal of Sex & Marital Therapy
|May 26, 2009
Summary
Heavier women reported lower relationship quality and perceived their partners as less desirable. Men's body mass index (BMI) did not significantly impact relationship functioning, suggesting unique challenges for women.
Area of Science:
- Psychology
- Sociology
- Health and relationship studies
Background:
- Body Mass Index (BMI) is a measure of body fat.
- Relationship quality is a key aspect of well-being.
- Societal perceptions of weight can influence interpersonal dynamics.
Purpose of the Study:
- To investigate the association between body mass index (BMI) and relationship quality.
- To explore partner perceptions and relationship functioning in relation to BMI.
- To identify potential mechanisms behind relationship difficulties experienced by heavier women.
Main Methods:
- Studied 57 dating or married couples.
- Assessed associations between individuals' BMI and relationship quality.
- Examined partner perceptions of warmth, trustworthiness, attractiveness, and ideal match.
Main Results:
- Higher BMI in women was linked to lower relationship quality and perceived partner desirability.
- Women with higher BMI anticipated relationship dissolution and lower partner ratings of warmth/trustworthiness.
- Male partners rated heavier women as less attractive and poorer matches to their ideals.
- Men's BMI showed no significant association with relationship functioning.
Conclusions:
- Heavier women face unique relationship challenges potentially linked to societal biases and partner perceptions.
- Weight-related factors may influence relationship satisfaction and stability for women more than for men.
- Further research is needed to understand and address these weight-related relationship disparities.
Related Concept Videos
Jealousy in Romantic Relationships
Jealousy is an instinctive yet socially complex emotion that arises when a close relationship is threatened. Its origins lie in both biological imperatives and sociocultural conditioning, making it a multifaceted psychological construct. Although universally experienced, the triggers and expressions of jealousy vary notably between individuals, especially across genders, due to evolutionary pressures and cultural influences.Gender Differences and Evolutionary TheoryEvolutionary theory explains...
Stereotypes, Prejudice, and Discrimination
Humans are very diverse and although we share many similarities, we also have many differences. The social groups we belong to help form our identities (Tajfel, 1974). These differences may be difficult for some people to reconcile, which may lead to prejudice toward people who are different. Prejudice is a negative attitude and feeling toward an individual based solely on one’s membership in a particular social group (Allport, 1954; Brown, 2010). Prejudice is common against people who are...
Ending Relationships
The dissolution of intimate relationships presents complex emotional and psychological challenges, particularly when emotional bonds are strong, the relationship is long-standing, and perceived alternatives are limited. This distress often intensifies in romantic breakups, where the initiator may experience greater turmoil than the rejected partner. Contributing factors include residual attachment, guilt over causing pain, and uncertainty about how to manage the situation. The stress is further...
Relationship Formation
What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
Social Exchange Theory
We have discussed why we form relationships, what attracts us to others, and different types of love. But what determines whether we are satisfied with and stay in a relationship? One theory that provides an explanation is social exchange theory. According to social exchange theory, we act as naïve economists in keeping a tally of the ratio of costs and benefits of forming and maintaining a relationship with others (Rusbult & Van Lange, 2003).
Social Exchange Theory
As formulated by John Thibaut and Harold Kelley, Social Exchange Theory explains human relationships as economic-like exchanges that maximize rewards and minimize costs. This theory suggests that individuals engage in relationships to gain benefits and reduce burdens, similar to economic transactions. It has been widely applied to various types of relationships, including romantic, professional, and social interactions.Rewards and Costs in RelationshipsRelationship rewards include emotional...
