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Several explanations have been proposed towards the explanation of maintenance of relationships.

The social exchange theory proposed by Homans (1971) can be used to explain the maintenance of a
relationship. He borrowed concepts from operant conditioning and economics to develop his theory.
This theory argues that relationships depend on the…

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Supporting evidence for the investment model comes from Impett et al who tested the model using a
retrospective study of a large sample of married couples of an 18 month period. They found that
commitment to the marriage by both partners predicted relationships stability, supporting Rusbult and
Van lange's model.…

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universal. What this means is that this research is Eurocentric as its findings are generalised to other
cultures, assuming underlying similarities, etics therefore the findings from these studies should not e
generalised as the samples are not representative of a universal human experience.

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