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Psychology in Everyday Life: The Psych FilesPsychology in Everyday Life Author: Michael Britt
Learn how theories in psychology affect you in everyday life. Upbeat and interesting podcasts from experienced psychology teacher Michael Britt give you a bit more insight into you and your life. Language: en Genres: Courses, Education, Health & Fitness Contact email: Get it Feed URL: Get it iTunes ID: Get it |
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One Simple Habit for a Happier Marriage? Not So Fast
Wednesday, 7 October, 2026
A new study of about 1,700 married couples found that partners who exercise together, usually by walking, tend to have stronger marriages, and the headlines quickly turned that into "one simple habit for a happier relationship." In this short episode I use that study to walk through one of the most useful ideas in all of psychology: correlation is not causation. The same finding fits three very different stories (walking improves the marriage, a good marriage is what gets couples out walking in the first place, or some third factor like shared free time, health, or less money stress drives both), and the study cannot tell them apart. I explain how researchers could actually settle it with a randomized trial, point to the real experiments from Arthur Aron's self-expansion research showing that novel, exciting shared activities can genuinely strengthen a relationship (and why a calm evening walk may not be the same thing), and leave you with two questions to ask the next time you see "one simple habit" for a better anything: compared to what, and how do they know which way the arrow points?
