http://mastersofmedia.hum.uva.nl/2011/05/22/anne-mangen-on-the-technologies-and-haptics-of-reading/

“• scrolling disrupts the user’s sense of physical structure and consequently disrupts their ability to form a global perspective of the text (Eklundh 1992; Piolat et al. 1997)

• despite the ubiquity of hypertext people who read linear text comprehend more, remember more, and learn more than those who read hypertext”