> The only experiment is Frederick's experiment. Wasn't thinking of experiments (obviously), but rather data collected in the population on unfortunate but exi

> The only experiment is Frederick's experiment. Wasn't thinking of experiments (obviously), but rather data collected in the population on unfortunate but existing cases to try and correlate lack of affection as a baby with specific behaviors as an adult. [EDIT]: btw, thanks for the pointer, I had never heard of Frederick's experiment [1] [1] https://signsofthetimes.org.au/2018/08/fredericks-experiment/ https://signsofthetimes.org.au/2018/08/fredericks-experiment...