A participant will usually be assigned to the standard group or the new group at random (called randomization). 试验参与者通常将会被随机分配到标准治疗组或者是新治疗组(称之为随机分组)。
Randomization of user input is currently conducted by zipSeries software, because, as a pilot project, WPT has limitations. 用户的随机输入目前由 zipSeries 软件管理,因为,作为试验项目,WPT 有局限性。