http://journals.sagepub.com/doi/abs/10.1177/0956797618761661?utm_campaign=custom_feed_subscription&utm_medium=email&utm_source=nuzzel&journalCode=pssaRevisiting the Marshmallow Test: A Conceptual Replication Investigating Links Between Early Delay of Gratification and Later Outcomes – Tyler W. Watts, Greg J. Duncan, Haonan Quan, 2018
“We replicated and extended Shoda, Mischel, and Peake’s (1990) famous marshmallow study, which showed strong bivariate correlations between a child’s ability to delay gratification just before entering school and both adolescent achievement and socioemotional behaviors. Concentrating on children whose mothers had not completed college, we found that an additional minute waited at age 4 predicted a gain of approximately one tenth of a standard deviation in achievement at age 15. But this bivariate correlation was only half the size of those reported in the original studies and was reduced by two thirds in the presence of controls for family background, early cognitive ability, and the home environment.” Continua…
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