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. 2021 Feb 25;12:594260. doi: 10.3389/fpsyg.2021.594260

Table 2.

Participant exclusions across studies.

Study 1a (n = 35) Study 1b (n = 83) Study 2 (n = 126) Study 3 (n = 85)
Reason for exclusion
Failed comprehension check 10 15 18 15
Failed attention check 6 12 4 10
Completed study on phone 2 13 13 21
Failed characters’ gender or race manipulation checks 17 43 91 39

Manipulation checks were open-ended prompts to identify the race and gender of the main character and/or invalidator/affirmer at the end of the study. Normative exclusion rate due to failed manipulation checks for Amazon Mechanical Turk samples, 19% (e.g., Goodman et al., 2013; Salerno et al., 2019).