Understanding procrastination: A case of a study skills course 597 Table 1 Frequencies and example items of the scales Scale Mean SD Example item Procrastination 3.97 0.86 0.86 In preparing for some deadlines, I often waste time by doing other things Psychological flexibility 3.47 1.26 0.90 My worries do not prevent me from suc- ceeding in my studies Self-efficacy 3.59 0.77 0.83 I expect to do very well in my studies Time and effort man- 2.62 0.76 0.65 I organise my study time carefully to make agement the best use of it