Investment Model Scale.
IMS
- What it measures
- Rusbult's Investment Model of relationship commitment: Commitment Level plus its three bases - Satisfaction Level, Quality of Alternatives, and Investment Size
- Length and format
- ~22 global items (5 per construct + commitment) plus facet items. 0-8 agreement (do not agree at all - agree completely) (self-report questionnaire)
- Language versions
- Multiple languages incl. Spanish, Dutch and others
- Normative data
- No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.
- Licence
- open with attribution
Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.
- Reference
- Rusbult, C. E., Martz, J. M., & Agnew, C. R. (1998). The Investment Model Scale. Personal Relationships, 5(4), 357-391.
Choosing between this and the alternatives
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