Marshmallow tests are more a test of the child’s priors about adult reliability.
If the child has reliable parents they tend to pass the test. The children of reliable parents do better in life, which is obvious.
The test also fails to account for a temperate child that doesn’t actually want more than one in the first place and isn’t playing the researchers game.
If the child has reliable parents they tend to pass the test. The children of reliable parents do better in life, which is obvious.
The test also fails to account for a temperate child that doesn’t actually want more than one in the first place and isn’t playing the researchers game.