Episode
Holiday Survival Guide: How to talk about scientific studies around the dinner table
- Published
- Nov 17, 2025
- Duration seconds
- 3629
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Summary
Does a little alcohol really make you speak a foreign language better? This week we unpack a quirky randomized trial that tested Dutch pronunciation after a modest buzz—and came to the opposite conclusion the researchers expected. We use it as the perfect holiday case study: instead of arguing with Uncle Joe at the dinner table, we’ll show you how to pull apart a scientific headline using a friendly, practical checklist anyone can learn. Along the way we stress-test the study’s claims, take a quick detour into what a .04% buzz actually looks like, and run our own before-and-after experiment with two brave science journalists at the ScienceWriters2025 conference in Chicago. A holiday survival guide with vodka tonics, statistical sleuthing, and a few surprisingly smooth French phrases. Statistical topics Alternative explanations Arithmetic consistency / GRIM test Blinding Effect size / magnitude Generalizability / external validity Observational studies vs. experiments Outcome measurement PICOT framework Placebo and expectancy effects Primary outcomes / pre-specification Randomized controlled trials Research hypotheses Sample size SMART framework Statistical significance (signal vs. noise) Transparency and trustworthiness Methodological morals “You don't need a PhD to read a study. Just remember, PICOT and SMART.” “A decimal point can mean the difference between life and death. Details matter.” References Renner F, Kersbergen I, Field M, Werthmann J. Dutch courage? Effects of acute alcohol consumption on self-ratings and observer ratings of foreign language skills . J Psychopharmacol . 2018;32(1):116-122. doi:10.1177/0269881117735687 Kristin and Regina’s online courses: Demystifying Data: A Modern Approach to Statistical Understanding Clinical Trials: Design, Strategy,…