@techreport{NBERw12021, title = "Does Television Rot Your Brain?
New Evidence from the Coleman Study", author = "Matthew Gentzkow
and Jesse M. Shapiro", institution = "National Bureau of
Economic Research", type = "Working Paper", series = "Working
Paper Series", number = "12021", year = "2006", month =
"February", doi = {10.3386/w12021}, URL =
"http://www.nber.org/papers/w12021", abstract = {We use
heterogeneity 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.
Our preferred point estimate indicates that an additional year
of preschool television exposure raises average test scores by
about .02 standard deviations. We are able to reject negative
effects larger than about .03 standard deviations per year of
television exposure. For reading and general knowledge scores,
the positive effects we find are marginally statistically
significant, and these effects are largest for children from
househ