Monday, 6 August 2018

https://ift.tt/2wwdHAe The Ineffectiveness of Employer Wellness Programs, and the Importance of Randomized Trials Research, Medicine and Health, Exercise Selection bias can creep in, even when a study design seeks to control for other variables. AARON E. CARROLL https://ift.tt/2M4Rwrz August 6, 2018 at 05:30AM


By AARON E. CARROLL from NYT The Upshot https://ift.tt/2vEZTQs

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