It's a science book; the standards of evidence are lower and often rely upon credentials. If you want rigorous science, go to the peer reviewed literature: http

It's a science book; the standards of evidence are lower and often rely upon credentials. If you want rigorous science, go to the peer reviewed literature: https://scholar.google.com/scholar?hl=en&q=kahneman&btnG=&as_sdt=1%2C38&as_sdtp= https://scholar.google.com/scholar?hl=en&q=kahneman&btnG=&as... Note that Kahneman is a psychologist, though he is affiliated with behaviorial economics.