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Avaliação Psicológica
versão impressa ISSN 1677-0471versão On-line ISSN 2175-3431
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LONDERO-SANTOS, Amanda; NATIVIDADE, Jean Carlos e FERES-CARNEIRO, Terezinha. A measure of satisfaction in the romantic relationship. Aval. psicol. [online]. 2021, vol.20, n.1, pp.11-22. ISSN 1677-0471. https://doi.org/10.15689/ap.2021.2001.18901.02.
This study aimed to adapt the Investment Model of Commitment Processes Scale (Escala do Nível de Satisfação com o Relacionamento Amoroso - ENSRA - Rusbult, Martz, & Agnew, 1988) to the Brazilian context. In the first study (N = 269), we sought evidence of validity based on the unifactorial structure of the instrument and analyzed the properties of the items according to the item response theory. In the second study (N = 1498), a revised version of the scale (ENSRA-R) was proposed, including new items with higher difficulty parameters. Exploratory and confirmatory factor analyses indicated a single-factor structure for both the ENSRA and ENSRA-R. As theoretically expected the ENSRA and ENSRA-R correlated positively with another instrument that assesses relationship satisfaction and with romantic love, and negatively with the intention to break-up. Both versions of the instrument provide satisfactory evidence of validity and adequate accuracy, however, the ENSRA-R was more informative, covering a larger portion of the latent trait compared to the ENSRA.
Palavras-chave : relationship satisfaction; cross cultural test adaptation; love.