“…In this regard, the various available scales may differ primarily in their theoretical foundations, the specific assessment context for which they were designed, or their technical characteristics. Vangsness et al (2022) assessed the psychometric properties of 10 procrastination measures and found that certain scales, e.g., irrational procrastination scale (IPS; Steel, 2010), pure procrastination scale (PPS; Steel, 2010), or Tuckman procrastination scale (TPS; Tuckman, 1991), displayed better psychometric properties than others, e.g., active procrastination scale (APS; Choi and Moran, 2009), adult inventory of procrastination (AIP; McCown and Johnson, 1989).…”