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Direct linkWilliamson, Vickie M.; Zumalt, Caitlin J. – Chemistry Education Research and Practice, 2017
Two large sections of first-semester general chemistry were assigned to use different homework systems. One section used MindTap, a Cengage Learning product, which presents short sections of the textbook with embedded homework questions; such that students could read the textbook section then answer one or more questions in the same screen. The…
Descriptors: Chemistry, Science Instruction, Homework, Textbooks
Behmke, Derek A.; Atwood, Charles H. – Chemistry Education Research and Practice, 2013
To a first approximation, human memory is divided into two parts, short-term and long-term. Cognitive Load Theory (CLT) attempts to minimize the short-term memory load while maximizing the memory available for transferring knowledge from short-term to long-term memory. According to CLT there are three types of load, intrinsic, extraneous, and…
Descriptors: Homework, Cognitive Ability, Computer Assisted Testing, Item Response Theory
Gebru, Misganaw T.; Phelps, Amy J.; Wulfsberg, Gary – Chemistry Education Research and Practice, 2012
This study reports the effects of student response systems (clickers) "versus" online homework on students' long-term retention of General Chemistry I course material. Long-term content retention was measured by a comprehensive yearlong American Chemical Society (ACS) GC97 exam administered seven months after students had completed the General…
Descriptors: Chemistry, Science Instruction, Science Tests, Science Achievement
