Time and effort, not money — four items measure the non-financial cost of joining a group.
7-point Likert (1=strongly disagree, 7=strongly agree)
Harmeling, C.M., Mende, M., Scott, M.L., & Palmatier, R.W. (2021). Marketing, Through the Eyes of the Stigmatized. Journal of Marketing Research, 58(2), 223–245.
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