(define sixhat (λ (dave) (display 'ideas)))

Reading texts on paper beats reading texts on a computer screen.

The results of this study indicate that reading linear narrative and expository texts on a computer screen leads to poorer reading comprehension than reading the same texts on paper. These results have several pedagogical implications.

in Mangen, A., Walgermo, B. R., & Brønnick, K. (2013). Reading linear texts on paper versus computer screen: Effects on reading comprehension. International journal of educational research, 58, 61-68.