A brief, widely used measure of overall customer satisfaction with a product, service, or consumption experience. Based on Oliver's disconfirmation paradigm — satisfaction arises when actual performance meets or exceeds expectations. Three-item versions capture overall evaluation, choice satisfaction, and decision satisfaction.
Oliver, R.L. (1980). A cognitive model of the antecedents and consequences of satisfaction decisions. Journal of Marketing Research, 17(4), 460–469.
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