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!
Value of the Offer
Four items are employed to measure the perceived value of a deal given a certain product offered at a certain price. All of the studies employed seven-point response formats except Burton and Lichtenstein (1988; Lichtenstein and Bearden 1989) who used nine-point scales.