Rusbult’s investment model of relationships

• What is a strength of the investment model according to the study material?

  There is research support for the investment model.
• What did Le et al. (2010) analyze in their meta-analysis?

  They analyzed data from nearly 38,000 participants across 137 studies over 33 years.
• What was found to be a strong predictor of relationship breakups in Le et al.'s study?

  Commitment (or lack of it) was a strong predictor of relationship breakups.
• How does Le et al.'s finding relate to Rusbult’s investment model?

  It is in line with predictions from Rusbult’s investment model.
• Why is the research on real-life couples significant according to the study material?

  It supports the importance of satisfaction, alternatives, and investments as predictors of commitment levels.
• What conclusion can be drawn about the investment model based on the evidence presented?

  The investment model is reliable.
• What were the predictors of staying in a relationship according to the study material?

  Satisfaction, quality of alternatives, and investments were modest predictors.
• How effective were the predictors of satisfaction, quality of alternatives, and investments in determining relationship longevity?

  They were only modest predictors of the likelihood of staying in a relationship.
• What is a weakness of Rusbult’s investment model?

  There are problems in measuring the variables of the investment model.
• Why is it difficult to measure commitment in Rusbult’s investment model?

  Because it is challenging to measure commitment and other related variables.
• What are the variables that lead to commitment in Rusbult’s investment model?

  Satisfaction level, investment size, and quality of alternatives.
• What did Rusbult et al. (1998) develop to address measurement issues in the investment model?

  The ‘Investment Model Scale’ which is high in reliability and validity.
• What is a limitation of the ‘Investment Model Scale’ developed by Rusbult et al.?

  It relies on self-report measures.
• Why do self-report measures pose a problem in research?

  Respondents may wish to present themselves in a good light.
• How can socially desirable answers affect research validity?

  They can distort the true responses of participants, affecting validity.
• In what year did Rusbult et al. develop the ‘Investment Model Scale’?

  1998
• What do reliability and validity refer to in research?

  Reliability refers to consistency of results, while validity refers to the accuracy of the measures.
• What are the implications of using self-report measures in psychological research?

  They can lead to biased results and affect the overall validity of the study.
• What is one strength of the Investment Model in relation to abusive relationships?

  It explains abusive relationships better than social exchange theory or equity theory.
• What did Rusbult and Martz (1995) investigate regarding women in refuges?

  They asked why women stayed with their abusive partners instead of leaving.
• According to the Investment Model, when did women feel the greatest commitment to their relationship?

  When their economic alternatives were poor and their investment was great.
• What are the three strands of the Investment Model that contributed to women staying with their partner?

  Satisfaction, comparison level alternatives, and investments.
• Why is the Investment Model considered a valid explanation of intimate partner violence?

  Because it effectively explains why women stay with abusive partners based on their circumstances.
• What are the three strands of the Investment Model?

  Satisfaction, comparison level alternatives, and investments.
• What is a weakness of Rusbult's investment model?

  Investment in the future is also important.
• What do Goodfriend and Agnew suggest regarding the notion of 'investment' in relationships?

  It should include plans partners have made, not just past investments.
• Why does the notion of future investment matter in the context of the investment model?

  It suggests the model may not fully explain commitment to partners.
• What does the investment model primarily focus on?

  Past investments such as time and money.
• What conclusion can be drawn about the investment model based on the discussed weaknesses?

  It is an incomplete explanation of why people persist in romantic relationships.
• Who suggested that the notion of 'investment' should include future plans in relationships?

  Goodfriend and Agnew
• How does the investment model's focus on past investments limit its explanatory power regarding relationship commitment?

  It ignores the significance of future plans and aspirations.