They also study the phenomenon of Akrasia, wherein people seemingly act against their best interests and know that they are doing so (for instance, restarting cigarette smoking after having intellectually decided to quit).
他们同样研究“意志力薄弱”（Akrasia）的现象，即人们为什么有时候明知道自己有最好的选择却不去这么做（例如，明智地选择戒烟后又重新开始抽烟）。