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Liu, Yuliang – Journal of Computers in Mathematics and Science Teaching, 2013
This quasi-experimental study was to design, develop, and implement one multimedia math lesson in third grade to improve students' math learning. The non-equivalent control group design was used. The experimental group had 11 third grade students and the control group had 15 third grade students in an African American predominated elementary…
Descriptors: Control Groups, Experimental Groups, Comparative Analysis, Predictor Variables
Williams, Douglas C.; Hemstreet, Susan; Liu, Min; Smith, Vickie Dunlevy – 1998
This study investigated the use of tools and design features as employed in a problem-based learning (PBL) environment and their effectiveness on seventh grade students' learning of science concepts. Specifically, the study examined: (1) the effect of the computer-supported PBL environment on the achievement of middle school students; (2) the…
Descriptors: Academic Achievement, Computer Assisted Instruction, Courseware, Educational Environment