Generally, the participants in Life Review are aged between 65 and 80. The museum divides them into three groups, according to their health status, based on such things as their mental acuity and their level of mobility. Then group numbers are balanced out.
一般而言，參加回想法的人士年齡在六十五到八十五歲之間，館方先依健康狀況，包括精神是否健全和行動是否方便等，將他們區分成三組，每組再依比例混和。