Disconfirmation is the mismatch between expected and blind evaluation of a product (Anderson, 1973). Assimilation occurs when the final evaluation of the product changes in the direction of the expectation, whereas contrast occurs when this change is opposite to the expectation. We experiment on...

Disconfirmation of expectations is the mismatch between the expected and blind evaluation of a product (Anderson, 1973). From the consumer's point of view, the hedonic evaluation of a product under full information (intrinsic and extrinsic) is considered as a measure of perceived quality....