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1 results

  • Measuring Misinformation in Repeat Trial Pick 1 of 2 Tests

  • Pamela W. Henderson, Bruce Buchanan
  • Journal:
    Psychometrika / Volume 57 / Issue 4 / December 1992
    Published online by Cambridge University Press:
    01 January 2025, pp. 615-619

  • An extension is described to a product testing model to account for misinformation among subjects. A misinformed subject is one who associates the taste of product A with product B and vice-versa; thus, the subject would tend to perform incorrectly on pick 1 of 2 tests. A likelihood ratio test for the presence of misinformation is described. The model is applied to a data set, and misinformation is found to exist. Biases due to model misspecificationand other implications for product testing are discussed.