A four-item likert scale designed to measure with this scale using four, seven-point likert-type items.
Grewal, Rajdeep, Raj Mehta, Frank R. Kardes (2004), “The Timing of Repeat Purchases of Consumer Durable Goods: The Role of Functional Bases of Consumer Attitudes,” Journal of Marketing Research, 41 (February), 101- 115.
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