This study has a lot of the hallmarks of pure noise that won't replicate. - Small sample size (601 kids) - Effect has opposite sign in girls and boys - Negat

This study has a lot of the hallmarks of pure noise that won't replicate. - Small sample size (601 kids) - Effect has opposite sign in girls and boys - Negative association in boys was barely statistically significant - Positive association in girls barely missed statistical significance Not to mention we're testing IQ in 4-year-olds.