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Amerikanska studenter ägnar allt mindre tid åt sitt akademiska arbete, enligt den nya studien ”The Falling Time Cost of College”:

Full-time students allocated 40 hours per week toward class and studying in 1961, whereas by 2003 they were investing about 27 hours per week.

Detta kan ses som oroväckande med tanke på resultaten i en annan ny studie, The Causal Effect of Studying on Academic Performance”, publicerad i The B.E. Journal of Economic Analysis & Policy (preliminär gratisversion här):

In this paper, we examine the causal effect of studying on grade performance by taking advantage of unique, new data that has been collected specifically for this purpose. Important for understanding the potential impact of a wide array of education policies, the results suggest that human capital accumulation is far from predetermined at the time of college entrance. … For example, using results from our full sample, an increase in study-effort of one hour per day … is estimated to have the same effect on grades as a 5.21 point increase in ACT scores … In addition, the reduced form effect of being assigned a roommate with a video game is estimated to have the same effect on grades as a 3.88 point decrease in ACT scores …

Maxpoängen på ACT (ett antagningsprov) är 36, vilket antyder att den positiva effekten av att studera ytterligare en timma per dag är stor. (Dataspelande rumskamrater ska man dock se upp med.)

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