The incorporation of various textual resources into scientific inquiry is important for establishing background knowledge. Many of these resources are now presented in hypertext or hypermedia environments, which require students to comprehend and actively integrate information from multiple sources. Further, numerous practices employed by readers…

Describes two studies of college students that examined the effects of navigational aids on navigation and learning in hypertext. The first examined the effects of spatial maps and textual contents lists on students' ability to locate information; the second experiment compared a spatial map, a conceptual map and no aid on both navigation and…