7. Rusbult's Investment Model

Question 1

what are the three components of the model? what do they refer to? what are the two subtypes of one component?

Answer 1

1. satisfaction level - the degree to which a partners needs are met. measured n a scale from +/-3
2. comparison for alternatives - perceived desirability of the best alternative to the current relationship.
3. investment size: things people will lose by leaving the relationship.
   intrinsic: things put into the relationship (i.e. money, effort, time)
   extrinsic: things brought about by the relationship (i.e. kids, memories and friends.)

Question 2

what are the techniques of maintenance? (5)

Answer 2

1. accommodation
2. willingness to sacrifice
3. forgiveness
4. positive illusions
5. ridiculing alternatives

Question 3

evaluate this model (5)

Answer 3

• Le and Agnew: meta-analysis showed all components to contribute to healthy, lasting relationship.
• Correlational
• Rusbult and Martz: explains ‘battered women’
• Goodfriend and Agnew: not as applicable to early relationships unless also measuring future plans.
• Cannot conclude that investment causes commitment: lack of predictive validity. Poor application.