Table 1 Number of participants excluded from analysis

From: In-lecture quizzes improve online learning for university and community college students

Exclusion reason

N

Missed all four mind wandering probes

143 (39)

Did not attempt to answer any questions on the criterial test

27 (18)

Low English proficiency

11 (2)

Not taking the experiment seriously at all

10 (1)

Browsing other websites during the entire study

4 (1)

  1. Number in parentheses refer to participants who were from the TMU subreddit.