Infant feeding status was assessed by a research assistant unaware of the mother's group assignment at 2, 4, 8, and 12 weeks postpartum. (jamanetwork.com)
I secretly hoped there would never come a time when I will have to do group assignments, because I thought being in a group was very challenging. (elearningindustry.com)
We did find an indication, however, that the recruitment source might predict course of depressive symptoms independent of treatment group assignment. (bmjopen.bmj.com)