A four-item Likert-type scale designed to measure the degree to which a person's motivation for interacting with others is to get benefits from them in return for benefits given to them (quid pro quo).
Aggarwal, Pankaj and Meng Zhang (2006), “The Moderating Effect of Relationship Norm Salience on Consumers’ Loss Aversion,” Journal of Consumer Research, 33 (3), 413-419.
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