The Effects of Graphical Overviews on Knowledge Acquisition in Hypertext

Ton de Jong; A van der Hulst

Journal of Computer Assisted Learning Vol. 18, No. 2 (2002) pp. 219–31

Describes a study of undergraduates that enhanced a hypertext environment with a graphical overview that represented the basic domain structure and designed the layout so learners were unobtrusively encouraged to follow a sequence of exploration...