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Split-Attention and Redundancy Effects on Mobile Learning in Physical Environments
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Liu, Tzu-Chien; Lin, Yi-Chun; Tsai, Meng-Jung; Paas, Fred – Computers & Education, 2012
This study investigated split-attention and redundancy effects in a mobile learning environment on leaf morphology of plants as a function of different combinations of media. Eighty-one fifth-grade students were randomly assigned to the following three conditions: texts with pictures embedded in the mobile device (TP condition); texts embedded in…
Descriptors: Electronic Learning, Pilot Projects, Grade 5, Redundancy
Collaborative Knowledge Building with Wikis: The Impact of Redundancy and Polarity
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Moskaliuk, Johannes; Kimmerle, Joachim; Cress, Ulrike – Computers & Education, 2012
Wikis as shared digital artifacts may enable users to participate in processes of knowledge building. To what extent and with which quality knowledge building can take place is assumed to depend on the interrelation between people's prior knowledge and the information available in a wiki. In two experimental studies we examined the impact on…
Descriptors: Social Influences, Prior Learning, Cooperative Learning, Redundancy
The Effects of Time-Compressed Instruction and Redundancy on Learning and Learners' Perceptions of Cognitive Load
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Pastore, Ray – Computers & Education, 2012
Can increasing the speed of audio narration in multimedia instruction decrease training time and still maintain learning? The purpose of this study was to examine the effects of time-compressed instruction and redundancy on learning and learners' perceptions of cognitive load. 154 university students were placed into conditions that consisted of…
Descriptors: Computer Assisted Instruction, Problem Solving, Narration, Multimedia Instruction