Purchase frequency, Usage frequency, continue to use
How frequently do you use the focal brand?
1 not very often, 7 very often
How frequently do you purchase the focal brand?
1 not very often 7 very often
How likely are you to buy this brand in the future?
1 not very likely 7 very likely
Source: Völckner, F., & Sattler, H. (2006). Drivers of brand extension success. Journal of Marketing, 18-34