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Hsu, Pi-Shan; Chang, Te-Jeng; Wu, Ming-Hsiung – International Journal of Distance Education Technologies, 2009
The level of learners' expertise has been used as a metric and diagnostic mechanism of instruction. This metric influences mental effort directly according to the applications of cognitive load theory. Cognitive efficiency, an optimal measurement technique of expertise, was developed by Kalyuga and Sweller to replace instructional efficiency in…
Descriptors: Electronic Learning, Measurement Techniques, Expertise, Cognitive Processes