A spending-specific self-control measure that outperforms general self-control in predicting spending outcomes. Validated across multiple adult and student samples (total n>700) with consistently high alpha. Discriminant validity from GSC (r=0.48), frugality, impulsive buying, compulsive buying, and tightwad-spendthrift measures. Predicts credit card use, shopping decisions, investment decisions, and actual purchase behaviour. Mean across adult samples: M=5.16; no gender differences. Test-retest (4 weeks): r=0.78.
Haws, K.L., & Bearden, W.O. (2010). Consumer spending self-control. Working paper, Texas A&M University.
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