“time diary” studies over the past 40 years. The ATUS and similar studies ask thousands of people to report what they did every few minutes over the previous 24 hours, more or less like a lawyer billing his time. Sometimes, this happens with a researcher on the phone, talking the respondent through the day and reminding anyone who tries to claim he did 28 hours of activities of the realities of time and physics. In other studies, researchers send participants diaries and ask them to record their activities on a certain day or, in some cases, for a week. Statisticians then break the answers
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