Conditioning on "study" is essential for valid inference when combining individual data from multiple randomized controlled trials: a comment on Reesor et al's School-based weight management program curbs summer weight gain among low-income Hispanic middle school students. J Sch Health. 2019;89(1):59-67.
Jayawardene WP, Brown AW, Dawson JA, Kahathuduwa CN, McComb B, Allison DB. Conditioning on "study" is essential for valid inference when combining individual data from multiple randomized controlled trials: a comment on Reesor et al's School-based weight management program curbs summer weight gain among low-income Hispanic middle school students. J Sch Health. 2019;89(1):59-67. J Sch Health. 2019 07; 89(7):515-518.