“…Self‐report, protocol questions might include, “How are you going to go about solving this problem?” (Baxter, Elder, & Glaser, 1994, 1996). Other examples include student perception of difficulty (Revesz, 2014a), time spent (Baralt et al., 2014; Lee, 2019; Sasayama, 2016), and expert judgments of task difficulty and mental effort (Gilabert & Baron, 2018; Revesz et al., 2016; Revesz, 2014b). However, there are also useful taxonomies that define and explicate the different levels of task complexity and knowledge such as Bloom's taxonomy and Webb's Depth of Knowledge (DOK).…”