Habits of health podcast11/3/2023 ![]() “We can predict with machine learning when they’re in that state, and we know once they’ve reached that state, they are going to be harder to perturb off their course,” she said. Milkman said that’s a significant takeaway for marketers. The paper also found that once gym-goers established a habit of regular attendance that could be detected by a machine learning model, they were much less sensitive to an intervention from the gym that provided reminders and rewards to motivate attendance. “We’re probably better off focusing on things like how complex is the behavior, how often are you repeating it, what’s the nature of the reward you’re receiving as the main drivers of the habit formation speed, as opposed to a gravitational pull towards a magic number.” “This really points to a false belief in the idea of a magic amount of time,” she said. “Gyms have been sort of the fruit fly of habit-formation research.” - Katy Milkman The time element isn’t more precise because there was so much variation in the data across individuals, which Milkman said is further proof that a magic number is elusive. They found that it took, on average, weeks for people to get into the habit of hand sanitizing and months to start going to the gym regularly. They partnered with 24 Hour Fitness to obtain years of check-in records for more than 60,000 gym members, and they worked with a technology company that tracked whether 5,200 health care providers at 30 hospitals sanitized their hands whenever they entered or exited a patient’s room. The team including Milkman and Duckworth developed a machine learning methodology to parse millions of data points tracking two behaviors that can become habitual: gym attendance and hand sanitizing. Wharton professor Angela Duckworth, who co-founded Penn’s Behavior Change for Good Initiative with Milkman, is one of six co-authors* on the piece. Milkman spoke to Wharton Business Daily on SiriusXM about her recently published study. What we find is there is no such magic number,” said Katy Milkman, a Wharton professor of operations, information and decisions. There are popular books that tout these numbers that don’t have a sound basis in research. You may have also heard it takes 90 days to form a habit. “There’s this widely spread rumor that it takes 21 days to form a habit. Wharton experts used machine learning to help uncover the secret formula for successful healthy habit formation, and it turns out there’s no one formula. It’s Not You - It’s Your Goals: Knowing When to Quit May 30, 2023.Generating Ideas: A Process for Breakthrough Innovation June 14, 2023.The Meeting Style That Generates Breakthrough Solutions August 7, 2023.Strengthen Your Leadership with the Science of Awe August 21, 2023.Meet the Authors: Wharton’s Katy Milkman on How to Change May 14, 2021.Meet the Authors: Mauro Guillén on How Businesses Succeed in a Global Marketplace June 21, 2021.Meet the Authors: Wharton’s Peter Cappelli on The Future of the Office November 4, 2021.Meet the Authors: Erika James and Lynn Perry Wooten on The Prepared Leader October 3, 2022.How National Politics Are Impacting DEI in the Workplace February 7, 2023.Diversity at Work: Why Inclusive Storytelling Matters April 4, 2023.Improving Accessibility in the Workplace - and in Space May 16, 2023.How Employers Can Support Women’s Reproductive Rights June 20, 2023.Great Question: Kevin Werbach on Cryptocurrency and Fintech July 21, 2021.Great Question: Dean Erika James on Crisis Management August 16, 2021.Great Question: Wendy De La Rosa on Personal Finance October 15, 2021.Great Question: Witold Henisz on ESG Initiatives November 17, 2021.Making the Business Case for ESG May 3, 2022. ![]()
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