Researchers attempting to show that music has positive effects on children need to understand and control for preexisting differences between those who do and do not select into musical participation in the first place. Within a large-scale, communitywide, prospective, longitudinal study of predominantly low-income, ethnically diverse students (N…

We present evidence of a positive relationship between school starting age and children's cognitive development from ages 6 to 18 using a fuzzy regression discontinuity design and large-scale population-level birth and school data from the state of Florida. We estimate effects of being old for grade (being born in September vs. August) that are…

The child population in the United States is rapidly changing and diversifying--in large part because of immigration. Today, nearly one in four US children under the age of 18 is the child of an immigrant. While research has focused on the largest of these groups (Latinos and Asians), far less academic attention has been paid to the changing Black…