Relationships-Investment Model Flashcards

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1
Q

Who created the Investment Model?

A

Rusbult

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2
Q

What are the main 4 things to the investment model?

A

Commitment-According to Rusbult commitment is glue holding relationship together and held by three main factors:
-Satisfaction;Do positive aspects of relationship outweigh negatives .e.g profits greater than costs

  • Alternatives;Is there alternative relationship better than current one? e.g. could find better rewards greater than you currently have
  • Investment;How much of my investment in this relationship would I lose if it ended? e.g. family, friends, money, time etc.
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3
Q

What does the model actually show about relationships and why they continue?

A

Relationships do not just continue because positives outweigh negatives, but also because they are bound to one another through their investment in the relationship

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4
Q

Why was this theory developed as an extension of SET?

A

SET didn’t tell us about couples staying together even when costs outweighing rewards unlike SET saying there MUST be more profits than costs for a couple to stay together when that is untrue

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5
Q

What is commitment strengthened by?

A

Strengthened by satisfaction and investment but commitment is also weakened if there are alternatives to relationship

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6
Q

What study supported this theory?

A

Le and Agnew (2003)

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7
Q

What did Le and Agnew show?

A

Showed importance of satisfaction, alternative and investment in commitment

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8
Q

What was Le and Agnew’s study?

A

Meta-analysis of 52 studies found support for investment model across individualist and collectivist cultures e.g. in USA (individualist) and Taiwan (collectivist)- suggests universality of Investment model; making it applicable to wide range of relationships

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9
Q

What are the positives of this theory?

A
  • Good research support e.g. le and agnew has cultural validity, good meta analysis etc.
  • Research shows that theory is valid
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10
Q

What are the negatives of this theory?

A
  • Problem is idea of investment as we don’t know when is it ‘high’ enough that leads to us being committed in relationship
  • Does not establish cause and effect as evidence is correlational
  • All self-report methods may be giving socially desirable answers and then so reduces validity of evidence
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