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Direct linkNgu, Bing Hiong; Yeung, Alexander Seeshing; Tobias, Stephen – Instructional Science: An International Journal of the Learning Sciences, 2014
Eighth grade students in Australia (N = 60) participated in an experiment on learning how to solve percentage change problems in a regular classroom in three conditions: unitary, pictorial, and equation approaches. The procedure involved a pre-test, an acquisition phase, and a post-test. The main goal was to test the relative merits of the three…
Descriptors: Foreign Countries, Cognitive Processes, Difficulty Level, Mathematics Instruction
Liu, Han-Chin; Chuang, Hsueh-Hua – Interactive Learning Environments, 2011
This study investigated how the format of verbal instructions in computer simulations and prior knowledge (PK) affected 8th graders' cognitive load (CL) level and achievement in a multimedia learning environment. Although PK was not found to significantly affect student performance and CL level, instruction format was found to impact both.…
Descriptors: Electronic Learning, Instructional Design, Prior Learning, Grade 8
Miyazaki, Mikio – International Journal of Science and Mathematics Education, 2008
The purpose of this research is to construct a conceptual framework for use in capturing students' unstable perception regarding the establishment of the universality of propositions through experimentation/measurement in school geometry. As a conceptual framework, this research uses a quadrangular-pyramid model comprised of five representative…
Descriptors: Grade 8, Geometry, Experiments, Student Attitudes
Mills, Candice M.; Keil, Frank C. – Cognition, 2008
This research examines the development of children's understanding that people's judgments may be skewed by relationships, and that situational factors may make it difficult to be impartial. One hundred and seventy-one adults and children between kindergarten and eighth grade heard stories about judges in contests with objective or subjective…
Descriptors: Grade 8, Grade 4, Adults, Children
