The development of young athletes is a complex process characterised by dynamic changes and uncertainty [Abbott, A., Button, C., Pepping, G.-J., & Collins, D. (2005). Unnatural selection: Talent identification and development in sport. "Nonlinear Dynamics, Psychology, and Life Sciences," 9(1), 61-88]. Talent development systems are…

This study examines whether beliefs about the malleability of intelligence manifest in growth mindset behaviour and improved math achievement among Finnish and Estonian 4th graders. The sample consists of 368 students, 184 from both countries. Results show that the two mindset-instruments being compared--one capturing the generalised implicit…