“…Studies examining the effects of externally and self-imposed interim deadlines on course grades have found positive (e.g., Ariely and Wertenbroch, 2002), negative (e.g., Burger, Charness, and Lynham, 2011), and null effects (e.g., Levy and Ramim, 2013). Studies examining the effects of encouraging students to plan when they will do work have also found a mix of positive (Baker, Evans, Li, and Cung, 2019), negative (Baker, Evans, and Dee, 2016), and null (Sitzmann and Johnson, 2012) effects on course and assignment grades.…”