https://phys.org/news/2018-11-intelligence-success-life.html

"Traits such as attention, self-regulation, and perseverance in childhood have been investigated by psychologists, economists, and epidemiologists, and some have been shown to influence later life outcomes," says Professor John Lynch, School of Public Health, University of Adelaide and senior author of the study.

"There is a wide range of existing evidence under-pinning the role of non-cognitive skills and how they affect success in later life but it's far from consistent," he says.