Measuring Donor Loyalty

References
• Schneider, D., Berent, M. K., Thomas, R., & Krosnick, J. A. (2007). Measuring customer satisfaction and loyalty: Improving the ‘net promoter’ score. Paper presented at the World Association for Public Opinion Research annual meeting, Berlin, Germany.
• Timothy L. Keiningham, Bruce Cooil, Tor Wallin Andreassen, and Lerzan Aksoy (2007). A Longitudinal Examination of Net Promoter and Firm Revenue Growth. Journal of Marketing: Vol. 71, No. 3, pp. 39-51.