References

Every citation referenced across the twelve lectures, in one bibliography.

• Lally, P., van Jaarsveld, C. H. M., Potts, H. W. W., & Wardle, J. (2010). How are habits formed: Modelling habit formation in the real world. European Journal of Social Psychology, 40(6), 998–1009.Average 66 days to form a habit (range 18–254). Week 1Callback to Week 1. Week 12
• Gollwitzer, P. M. (1999). Implementation intentions: Strong effects of simple plans. American Psychologist, 54(7), 493–503.Rewording a goal with a stated time and trigger roughly doubles the chance it actually happens. Week 1
• Aiello, A. E., Coulborn, R. M., Perez, V., & Larson, E. L. (2008). Effect of hand hygiene on infectious disease risk in the community setting: A meta-analysis. American Journal of Public Health, 98(8), 1372–1381.Improved hand hygiene reduced gastrointestinal illness by 31% and respiratory illness by 21% across 30 pooled studies. Week 2
• Adam, H., & Galinsky, A. D. (2012). Enclothed cognition. Journal of Experimental Social Psychology, 48(4), 918–925.A doctor's-lab-coat framing measurably improved sustained attention versus the same coat framed as a painter's coat — the effect needs both the physical experience of wearing it and its symbolic meaning. Week 3
• Hirshkowitz, M., Whiton, K., Albert, S. M., et al. (2015). National Sleep Foundation's sleep time duration recommendations: methodology and results summary. Sleep Health, 1(1), 40–43.Seven to nine hours recommended for adults 18–64. Week 4
• Chekroud, S. R., Gueorguieva, R., Zheutlin, A. B., Paulus, M., Krumholz, H. M., Krystal, J. H., & Chekroud, A. M. (2018). Association between physical exercise and mental health in 1.2 million individuals in the USA between 2011 and 2015. The Lancet Psychiatry, 5(9), 739–746.Exercisers reported 1.49 fewer poor-mental-health days per month than non-exercisers; benefits peaked around 45 minutes, 3–5 times a week; more than 3 hours a day was associated with worse outcomes than none at all. Week 4
• Berman, M. G., Jonides, J., & Kaplan, S. (2008). The cognitive benefits of interacting with nature. Psychological Science, 19(12), 1207–1212.Walking in a natural setting (or even viewing pictures of nature) improved directed-attention task performance versus a busy urban walk. Week 5
• Ward, A. F., Duke, K., Gneezy, A., & Bos, M. W. (2017). Brain Drain: The Mere Presence of One's Own Smartphone Reduces Available Cognitive Capacity. Journal of the Association for Consumer Research, 2(2), 140–154.Phones on the desk — even face-down, even switched off — reduced memory and attention performance versus phones in another room; the effect scaled with how noticeable the phone was. Week 6
• Binetti, N., Harrison, C., Coutrot, A., Johnston, A., & Mareschal, I. (2016). Pupil dilation as an index of preferred mutual gaze duration. Royal Society Open Science, 3(7), 160086.Average preferred mutual gaze duration was around 3.2–3.3 seconds, consistent across a wide international sample. Week 7
• Lewicki, R. J., Polin, B., & Lount, R. B. (2016). An Exploration of the Structure of Effective Apologies. Negotiation and Conflict Management Research, 9(2), 177–196.Six components: expression of regret, explanation, acknowledgment of responsibility, declaration of repentance, offer of repair, request for forgiveness — acknowledgment of responsibility and offer of repair mattered most; request for forgiveness mattered least. Week 8
• Kruger, J., Epley, N., Parker, J., & Ng, Z. (2005). Egocentrism over e-mail: Can we communicate as well as we think? Journal of Personality and Social Psychology, 89(6), 925–936.Senders expected about 78% accuracy in how their intended tone would be read over text; actual accuracy was no better than chance. Week 9Callback to Week 9. Week 11
• Warren, E., & Warren Tyagi, A. (2005). All Your Worth: The Ultimate Lifetime Money Plan. Free Press.A trade book, not a peer-reviewed paper — the genuine real-world origin of the 50/30/20 rule (50% needs, 30% wants, 20% savings/debt). Week 10
• Schmidt, F. L., & Hunter, J. E. (1998). The validity and utility of selection methods in personnel psychology: Practical and theoretical implications of 85 years of research findings. Psychological Bulletin, 124(2), 262–274.Structured interviews showed a predictive validity of about .51 for job performance, meaningfully higher than unstructured interviews; combined with a general mental ability measure, validity rose to about .63. Week 11