What may seem like a “small” change can have a big impact lasting for years in children’s education. Social-psychological interventions which target students’ thoughts, feelings, and beliefs about their intelligence have a lasting effect on the students’ performance. For example, students who believe intelligence is unchangeable will attribute academic setback to their lack of ability rather than their level of effort.
Source: Yeager, D. S. & Walton, G. M. (2011). Review of Educational Research, 81(2), 267-301