The dual-process drift diffusion model: Evidence from response times

Andrew Caplin, Daniel Martin

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


We introduce a model of response time and choice that borrows from two distinct psychological traditions. As in dual-process models, rapid (automatic) decisions are qualitatively different from considered decisions. As in the drift diffusion model, delayed (considered) decisions occur when confidence hits a threshold level. We conduct a simple experiment in which our hybrid model matches key properties of the data. As our model predicts, decision times are bimodal, automatic decisions are of far lower quality than considered decisions, and automatic decisions are more prevalent when prior information improves, thereby raising their quality.

Original languageEnglish (US)
Pages (from-to)1274-1282
Number of pages9
JournalEconomic Inquiry
Issue number2
StatePublished - Apr 1 2016

ASJC Scopus subject areas

  • Business, Management and Accounting(all)
  • Economics and Econometrics

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