I have relied on the Marketing Scales Handbooks over several years in academic and industry roles and look forward to using the newest edition. A seven on a seven-point satisfaction scale!
Involvement with Two-For-One Deals
It is a six-item, seven-point Likert-type scale measuring a consumer's inclination to buy brands that have "two-for-one" offers despite the amount of money being saved. This measures a general interest in the deals rather than the likelihood that the behavior occurs for any particular product category. Lichtenstein, Netemeyer, and Burton (1995; Lichtenstein, Burton, and Netemeyer 1997) referred to the scale as buy one - get one free proneness while Burton et al. (1998) called theirs one-free proneness.
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