Figure 1. Three-question test administered using an adaptive testing procedure

  1. Question 1 (All respondents)
    1. Correct—update ability estimate, go to Question 2a.
      1. Correct—update ability estimate, go to Question 3a.
        1. Correct/Incorrect—update ability estimate.
        2. Calculate final ability estimate: Mode of respondent’s posterior distribution of responses. (Prompt complete.).
      2. Incorrect—update ability estimate, go to Question 3b.
        1. Correct/Incorrect—update ability estimate.
        2. Calculate final ability estimate: Mode of respondent’s posterior distribution of responses. (Prompt complete.).
    2. Incorrect—update ability estimate, go to Question 2b.
      1. Correct—update ability estimate, go to Question 3b.
        1. Correct/Incorrect—update ability estimate.
        2. Calculate final ability estimate: Mode of respondent’s posterior distribution of responses. (Prompt complete.).
      2. Incorrect—update ability estimate, go to Question 3c.
        1. Correct/Incorrect—update ability estimate.
        2. Calculate final ability estimate: Mode of respondent’s posterior distribution of responses. (Prompt complete.).