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Rafi, Ahmad; Samsudin, Khairulanuar – British Journal of Educational Technology, 2009
An experimental study involving 30 undergraduates (mean age = 20.5 years) in mental rotation (MR) training was conducted in an interactive Desktop Mental Rotation Trainer (iDeMRT). Stratified random sampling assigned students into one experimental group and one control group. The former trained in iDeMRT and the latter trained in conventional…
Descriptors: Experimental Groups, Control Groups, Computer Assisted Instruction, Statistical Analysis
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Haake, Magnus; Gulz, Agneta – International Journal of Artificial Intelligence in Education, 2009
The paper presents a theoretical framework addressing three aspects of embodied pedagogical agents: visual static appearance, pedagogical role, and communicative style. The framework is then applied to a user study where 90 school children (aged 12-15) in a dummy multimedia program were presented with either an instructor or a learning companion…
Descriptors: Foreign Countries, Computer Assisted Instruction, Multimedia Materials, Computer Graphics