TABLE 9.

Survey results: Preference for challenges by effect size.

Study	Survey items	nobservation	TC M (SD)	FC M (SD)	p	d
Cronhjort et al., 2018	The course was challenging in a positive way	TC = 413, FC = 226	3.90	4.32	0.000	n/a
Cronhjort et al., 2018	During the course, worked hard to learn what was difficult	TC = 413, FC = 226	3.75	3.91	0.269	n/a
Yong et al., 2015	I look forward to taking more courses in this field	TC = 90, FC = 86	3.64 (1.00)	3.66 (0.83)	0.895	0.02

Bold values indicate significant results.