The Zeigarnik effect refers to the psychological phenomenon where people remember unfinished tasks more easily than completed tasks.   Today we explore how we can use this effect to motivate users to complete tasks, increase user engagement, and make products more sticky.   3 months free off yearly subscription for Interaction Design Foundation: Interested in boosting your career in UI/UX or learning how to build world-class products? The Interaction Design Foundation is offering 3 free months off your yearly membership to Actionable UX Podcast listeners! Use the link below to take advantage of this exclusive offer:https://www.interaction-design.org/learn-ux-design?ep=the-actionable-ux-podcast   References   1. Zeigarnik, B. (1938). Über das Behalten von erledigten und unerledigten Handlungen. Psychologische Forschung, 18(1), 1-85.   2. Pohl, R. F. (2004). The Zeigarnik effect: A review of the literature and some new empirical studies. Applied Cognitive Psychology, 18(5), 637-656.   3. Zangeneh, H., Fathi, A., & Montgomery, B. (2011). Is the Zeigarnik effect generalisable over time? An empirical study. International Journal of Psychology, 46(1), 8-17.   4. Dijksterhuis, A., & Meurs, T. (2006). Where creativity resides: The generative power of unconscious processes. Consciousness and cognition, 15(1), 135-146.   5. Süssenbach, P., & Kühnen, U. (2003). The Zeigarnik effect in achievement contexts: A meta-analysis. Journal of Educational Psychology, 95(4), 816-824.