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Direct linkUrhahne, Detlef; Nick, Sabine; Poepping, Anna Christin; Schulz , Sarah Jayne – Journal of Science Education and Technology, 2013
The present study examines the effects of different study tasks on the acquisition of knowledge about acids and bases in a computer-based learning environment. Three different task formats were selected to create three treatment conditions: learning with gap-fill and matching tasks, learning with multiple-choice tasks, and learning only from text…
Descriptors: Science Instruction, Chemistry, Knowledge Level, Scientific Concepts
Calik, Muammer; Okur, Murat; Taylor, Neil – Journal of Science Education and Technology, 2011
The purpose of this study was to compare different conceptual change methods within a topic on "sound propagation". The study was conducted with 80 grade 5 students (aged 11-12 year old) drawn from four cohort classes in an elementary school on the north coast of Black Sea Region in Turkey. While one class was assigned as a control…
Descriptors: Foreign Countries, Experimental Groups, Control Groups, Intervention
Trevisan, Michael S.; Oki, Angela C.; Senger, P. L. – Journal of Science Education and Technology, 2010
Two experiments examined the effects of a multimedia technology referred to as "Time Compressed Animated Delivery" (TCAD), on student learning in a junior-level reproductive physiology course. In experiment 1, participating students received one of two presentations of the same instructional material: TCAD and a lecture captured on video. At the…
Descriptors: Control Groups, Physiology, Instructional Materials, Effect Size
