To measure these changes in reactions, //researchers at Yale and Cornell University assigned participants to teams of four//—consisting of three people and one small humanoid robot—//and had them play a collaborative game on Android tablets.
【主干】 researchers assigned participants to teams of four and had them play a collaborative game 是主句。
【修饰成分】To measure these changes in reactions 是目的状语。 at Yale and Cornell University 是介词短语作后置定语， 修饰 researchers。 consisting of three people and one small humanoid robot 是插入语，修饰 teams of four。 on Android tablets 作状语。
【翻译】为了测量这些反应的变化，耶鲁大学和康奈尔大学的研究人员将参与者分配到由三个人和一个小型类人机器人组成的四“人”小组，让他们在安卓平板电脑上玩一个协作游戏。
