L'effet cognitif de la carte de contenus d'un hypertexte

Abstract : disorientation and navigation inefficiency are the consequences of the fragmented and incoherent structure of most hypertexts. To avoid these negative
effects, researchers recommend - among other things - an interface with a structural overview of the relations between sections. Some authors have found that with such an overview, information is looked up faster and remembered better. In this study, the question was examined whether a structural overview also leads to a deeper understanding. Forty students read a hypertext about the effects of ultraviolet
radiation in one of two presentation conditions (structural overview and list). In the list condition, the same topics were mentioned as in the overview condition, but just in the format of a list. After reading, they got textbase questions and also inference questions. On textbase questions, subjects with low as well as high prior knowledge scored equally well in both conditions. However, on situation model questions low prior knowledge subjects scored significantly lower in the overview condition than
in the list condition. These results supported our hypothesis that a structural overview may hinder the understanding of less knowledgeable readers, because it draws their attention to the textual macrostructure at the expense of attention to the
microstructure of the text.
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Conference papers
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Submitted on : Thursday, July 1, 2004 - 3:51:56 PM
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Oostendorp Herre Van, Rijk Homan. L'effet cognitif de la carte de contenus d'un hypertexte. Quatrième colloque "Hypermédias et Apprentissages", Oct 1998, France. pp.173-186. ⟨edutice-00000500⟩

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