The EVC scale was developed based on the Expectancy-Value model to understand motivational factors. This brief 10-item scale is designed to be a rapid measure reflecting student's perceptions of the extent they think they can be successful and the extent that they think a task is worthwhile. This scale allows differentiation between three separate motivational factors (expectancy, value, and cost). Additional research on the cost factor has been done, and a cost scale was developed to contribute to research on the Expectancy-Value Model. There are four subscales in the cost scale: task effort cost, outside effort cost, loss of valued alternatives cost, and emotional cost.
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Hulleman, C. S., Kosovich, J. J., Barron, K. E., & Daniel, D. B. (2017). Making connections: Replicating and extending the utility value intervention in the classroom. Journal of Educational Psychology, 109(3), 387. https://doi.org/10.1037/edu0000146
Leaper, C., & Starr, C. R. (2019). Helping and hindering undergraduate women’s STEM motivation: experiences with STEM encouragement, STEM-related gender bias, and sexual harassment. Psychology of Women Quarterly, 43(2), 165-183. https://doi.org/10.1177/0361684318806302