English, Article edition: MCQSCORE: Stata module to score the Monetary Choice Questionnaire using logistic regression E. Paul Wileyto

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Bookmark: http://trove.nla.gov.au/version/103522
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  • code
Language
  • English

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Title
  • MCQSCORE: Stata module to score the Monetary Choice Questionnaire using logistic regression
Author
  • E. Paul Wileyto
Physical Description
  • code
Notes
  • MCQScore scores the Monetary Choice Questionnaire (questions in standard order), which uses a hyperbolic decay function to summarize the degree to which time discounts the value of a delayed reward. The scale parameter k is used as a measure of impulsivity. Conventional scoring requires a lot of hand labor, identifying indifference points where a subject's behavior changes from preferring an immediate to a delayed reward. Instead, we use logistic regression to identify a contour where the probability of choosing either reward is 0.5, identifying in turn the corresponding hyperbolic function. Logistic regression is applied to raw binary choices from the survey, modeling the probability of choosing the delayed reward in response to time and a transformation of the reward ratio. The estimate of k is obtained as a ratio of the two betas. Output will include log-k estimates for small, medium, and large delayed reward sizes, a pooled log-k estimate and the component betas, and optionally, a jackknife estimate of standard error for the pooled log-k estimate and a bias-reduced estimate.
  • logistic regression, choice, utility
  • RePEc:boc:bocode:s438701
Language
  • English
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