The Marketing Scales website is a gold mine of information. It is the only source that helps me understand the psychometric quality of the instruments used in past research. I recommend that researchers bookmark this site . . . they will be back!
decision
Using three, seven-point items, the scale measures how important a product feature is to a consumer’s evaluation of a particular product and the decision about it.
Five, seven-point Likert-type items compose the scale and measure one’s tendency to make decisions and to buy impulsively with regard to a specific good or service.
A consumer’s general tendency to make purchases without planning and control is measured with six items.
The importance a consumer places on having friends or family available when shopping to discuss, listen, and offer support in the purchase decision process is measured with six, seven-point items.
The importance of the brand to a consumer's purchase decision is measured in this scale with four, seven-point Likert-type items. The focus is on the extent to which the consumer takes the brand of a product into account. Further, the scale is meant to be used within a product category rather than across all categories since the relevance of brand names in a person's decision could vary from category to category.
The scale is intended to measure the role played by brand name in lowering the risk a consumer perceives in making a purchase decision. Four, seven-point Likert-type items compose the scale. The scale is meant to be used within a product category rather than across all categories since a brand's role in reducing risk could legitimately vary from category to category.
The motivation a shopper felt to buy a product immediately because of its scarcity is measured in this scale with three, seven-point items.
Five, five point Likert-type statements are used to measure the level of decision-making involvement a patient believes him/herself to have had in a recent visit to a physician.
Four, seven-point statements are used to measure the importance of a particular voting decision to a person and the degree to which he/she is concerned about the decision.
The three-item semantic differential scale measures the degree of importance a specified product characteristic has to a consumer in a choice context. Sujan and Bettman (1989) used it for attributes of 35mm SLR cameras while Desai and Keller (2002) applied it to the scent attribute of laundry detergents.
