This re-interpretation of the marshmallow test is why I am skeptical about the received wisdom about IQ & associated topics. Also, this is not a failure to replicate, but a radical re-interpretation of replicable results. @primalpoly @nntaleb. https://www.theatlantic.com/family/archive/2018/06/marshmallow-test/561779/ …
Genetic confounds galore. 'Controlling for parental SES' means controlling out a key indicator of heritable intelligence & conscientiousness. The right way to do this study would have been a within-family design: does the smarter twin do better on marshmallows & succeed more?
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Wondering about skepticism vs. trust and how it relates to socioeconomic status & test. “I’ll give you a second marshmallow” / “Yeah, sure you will.”
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