Fig. 4From: Development and application of the Action Taxonomy for Learning Assistants (ATLAs)Average percent of each parent code in each video session recorded in each of four courses. n signifies the number of video recordings of class sessions in each course. n varied from 10 to 18 for each course, with 2 to 3 LAs per course and 4 to 6 videos per LA. Error bars represent the SEMBack to article page