Re:The Marshmallow Test: What Does It Really Measure?
by tchaffee on Sunday June 03, 2018 @02:29PM
(#17220926)
Yes it is. For sure some of it is inherited, but some is environment. The controversy is exactly how much of each. There are unexplained things like the Flynn effect that are probably environment.
Any textbook on the topic will explain. This is not even controversial.