Eat For 10 Hours. Fast For 14. This Daily Habit Prompts Weight Loss, Study Finds This is the title of an NPR article about a 2019 study that recruited 19 overweight adults diagnosed with metabolic syndrome (elevated blood sugar, elevated cholesterol levels, high blood pressure). Participants were asked to restrict any eating to a period of just 10 hours each day. The study found a statistically significant reduction in body weight after 12 weeks of this eating pattern.

Define the parameter in this hypothesis test as a sentence in context.