Un investigador biopsicológico critica la reducción del tiempo que se les deja a los niños a juguar libremente, donde se aprenden importantes abilidades para el futuro. "They require the judgement, wisdom and creative ability that come from life experiences. Those experiences are embedded in play." "China term: "gaofen dineng", which means good at tests but bad at everything else. Students spend nearly all of their time studying, they have little opportunity to be creative, discover their own passions or develop social skills."