Three items measure a person's continued patronage of a company due to the perceived difficulty, cost, and effort required to switch providers.
5-point Likert (1=strongly disagree, 5=strongly agree)
Full scale items shown. Always cite the original source when using this scale in research.
Adapted from Geyskens et al. (1996) and Kumar, Hibbard, and Stern (1994). Composite reliability .75. Cronbach's alpha not separately reported. Blanks should be replaced with the company name. Included despite CR = .75 falling below the conventional .80 threshold, on the basis of very high scholarly impact (1,330+ citations) and its foundational role in customer relationship management research.
Verhoef, P. C., Franses, P. H., & Hoekstra, J. C. (2002). The effect of relational constructs on customer referrals and number of services purchased from a multiservice provider: Does age of relationship matter? Journal of the Academy of Marketing Science, 30(3), 202–216.
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