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Leahy, Wayne; Sweller, John – Instructional Science: An International Journal of the Learning Sciences, 2016
Based on cognitive load theory and the "transient information effect," this paper investigated the "modality effect" while interpreting a contour map. The length and complexity of auditory and visual text instructions were manipulated. Experiment 1 indicated that longer audio text information within a presentation was inferior…
Descriptors: Cognitive Processes, Difficulty Level, Learning Modalities, Instructional Design
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Ardac, Dilek; Unal, Serap – Instructional Science: An International Journal of the Learning Sciences, 2008
The present study examines how changes in the amount of on-screen text will influence student learning from a multimedia instructional unit on basic concepts of coordinate geometry. The relative effectiveness of two different versions (short-text and whole-text) of the instructional unit was examined for students who differed in terms of their…
Descriptors: Memory, Grade 7, Geometry, Multimedia Instruction