Does Television Rot Your Brain? New Evidence from the Coleman Study
Heterogeneity is used in the timing of television's introduction to different local markets to identify the effect of preschool television exposure on standardized test scores later in life. The writers' preferred point estimate indicates that an additional year of preschool television exposure raises average test scores by about .02 standard deviations. Read Matthew Gentzkow's and Jesse Shapiro's article to learn more. January 2006.