Three items measure a person's intrinsic motivation to remain a customer of a company based on feelings of loyalty, attachment, and belonging.
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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