定势是指一定的心理活动所形成的一种预先的心理准备状态,它使人们以比较固定的方式去进行认知或作出反应,并影响着问题解决时的趋向性。这种趋向性,有时有助于问题的解决,起到正效应;有时会妨碍问题的解决,带来负迁移。鉴于思维定势具有两重性,所以应努力培养学生有利于正效应 Settling refers to a kind of pre-mentally prepared state formed by a certain psychological activity, which enables people to cognize or react in a relatively fixed way and affects the trend when the problem is solved. This tendency can sometimes help solve the problem and play a positive effect; sometimes it can hinder the solution of the problem and lead to negative migration. In view of the duality of mindset, efforts should be made to train students to be positive