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Investment Model

  • By: Caryl E. Rusbult & Francesca Righetti
  • In: Encyclopedia of Human Relationships
  • Edited by: Harry T. Reis & Susan Sprecher
  • Subject:Interpersonal Relationships, Group Processes/Dynamics, Close Relationships

Relationship scientists have exerted considerable effort toward understanding why some relationships persist over time, whereas others wither and die. Many researchers focus on the determinants and consequences of positive affect—attraction, ...

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