Iman Sharif|Thomas A. Wills|James D. Sargent
Effect of Visual Media Use on School Performance: A Prospective Study
Alfred I. duPont Hospital for Children|DuPont (United States)|Thomas Jefferson University|University of Hawai?i at M?noa|Children's Hospital at Dartmouth Hitchcock
identify mechanisms impact visual media use adolescents school performancewe conducted 24month fourwave longitudinal telephone study national sample 6486 youth aged 10 14 years exposure measures latent construct screen exposure time weekday time spent viewing televisionplaying videogames presence television bedroom variables movie content proportion pg13 r movies viewedself parent reports grades school effects media exposures change school performance baseline 24 months assessed using structural equation modeling information hypothesized mediators substance use sensation seeking school problem behavior obtained baseline 16month followupadjusted baseline school performance baseline levels mediators range covariates screen exposure time media content adverse effects change school performance screen exposure indirect effect poor school performance increased sensation seeking viewing pg13 rrated movies indirect effects poor school performance mediated increases substance use sensation seeking rrated viewing also indirect effect poor school performance increased school behavior problems effect sizes exposure time content intermediate variables ultimately school performance similar previously recognized determinants mediators including household income parenting style adolescents selfcontrolthese aspects visual media use adversely affect school performance increasing sensation seeking substance use school problem behavior