This study develops a short, general scale to measure sustainable product involvement. This is done in a Costa Rican context, via a relatively large sample, demographically similar to the national population. The study also evaluates the viability of the C-OAR-SE scaling technique for this purpose. A five-item instrument is developed, its reliability and validity psychometrically confirmed. The scale addresses the levels and types of involvement that consumers might have. It suits not only

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... mic researchers, but also practitioners in different areas. We conclude that C-OAR-SE is a viable technique. It complements traditional psychometric methods well so as to be considered by researchers in the different fields of business.