Six items measure the utilitarian functional base of product attitude—the degree to which a product instils confidence, ease, and poise by helping the consumer maximise life's rewards and minimise punishments.
Grewal, R., Mehta, R., & Kardes, F. R. (2004). The timing of repeat purchases of consumer durable goods: The role of functional bases of consumer attitudes. Journal of Marketing Research, 41(1), 101–115.
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