The use of Thompson sampling to increase estimation precision

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)


In this article, we consider a sequential sampling scheme for efficient estimation of the difference between the means of two independent treatments when the population variances are unequal across groups. The sampling scheme proposed is based on a solution to bandit problems called Thompson sampling. While this approach is most often used to maximize the cumulative payoff over competing treatments, we show that the same method can also be used to balance exploration and exploitation when the aim of the experimenter is to efficiently increase estimation precision. We introduce this novel design optimization method and, by simulation, show its effectiveness.
Keywords: Design optimization, Thompson sampling, Bandit problems
Original languageEnglish
Pages (from-to)409-423
JournalBehavior Research Methods
Issue number2
Publication statusPublished - 2015


  • Design optimization
  • Thompson sampling
  • Bandit problems


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