Massively widely studied and corroborated. Google-scholar it and knock yourself out. Some examples: https://www.sciencedirect.com/science/article/pii/B97800804

Massively widely studied and corroborated. Google-scholar it and knock yourself out. Some examples: https://www.sciencedirect.com/science/article/pii/B9780080437934500544 https://www.sciencedirect.com/science/article/pii/B978008043... http://psycnet.apa.org/buy/1993-29924-001 http://psycnet.apa.org/buy/1993-29924-001 http://psycnet.apa.org/record/1981-21525-001 http://psycnet.apa.org/record/1981-21525-001