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http://hdl.handle.net/10071/7272
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Title: The Investment Model Scale (IMS): further studies on construct validation and development of a shorter version (IMS-S)
Authors: Rodrigues, D.
Lopes, D.
Keywords: Investment Model Scale
Psychometric properties
Romantic relationships
Validation
Issue Date: Jan-2013
Publisher: Taylor & Francis
Abstract: The Investment Model (IM; Rusbult, 1980, 1983) has been widely used to study the development and maintenance of romantic relationships. Its components—satisfaction, quality of alternatives, investment size and commitment—are operationalized in the Investment Model Scale (IMS; Rusbult, Martz, & Agnew, 1998). Given its importance for personal relationships literature, this article presents the adaptation and validation of the IMS to Portugal, and the development and validation of a shorter version, the IMS-S. A confirmatory factor analysis replicates the IMS's original four factors structure. A similar structure was found for the IMS-S. For both versions, results show the instruments to have validity and good reliability. Results are discussed considering the scales’ importance for studying romantic relationships.
Description: WOS:000312338500002 (Nº de Acesso Web of Science)
Peer reviewed: Sim
URI: http://www.tandfonline.com/doi/abs/10.1080/00221309.2012.710276
https://ciencia.iscte-iul.pt/public/pub/id/12045
http://hdl.handle.net/10071/7272
ISSN: 1940-0888
Publisher version: The definitive version is available at: http://dx.doi.org/10.1080/00221309.2012.710276
Appears in Collections:CIS-RI - Artigos em revistas científicas internacionais com arbitragem científica

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