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- W218666105 abstract "The effects of the inclusion of matched 'redundant digital audio on achievement, time spent in learning, and attitude toward computer-based instruction (CBI) delivered mathematics were studied with 82 high school students. Differential effects on students of varying entry learning mathematics performance were also investigated. Subjects were assigned to CBI-audio or CBI-text conditions by stratified matched pairs within three existing classes. Both groups completed three lessons from the Alberta (Canada) CBI mathematics curriculum for grade 10. For the audio condition, lessons were modified by adding redundant audio through male voice instructions. Analysis of scores on a mathematics achievement test did not indicate any effects of CBI delivery mode on comprehension and mastery, but did indicate that redundant audio did reduce time required to complete practice questions, implying greater learning efficiency for the CBI-audio condition. No significant attitude differences were found overall, but lower ability students were more positive in the dual channel (redundant audio) condition. Seven tables illustrate study findings. (Contains 11 references.) (SLD) *********************************************************************** Reproductions supplied by EDRS are the best that can be made from the original document. **********************************************************k************ AN EXPERIMENT ON EFFECTS OF REDUNDANT AUDIO IN COMPUTER BASED INSTRUCTION ON ACHIEVEMENT, ATTITUDE, AND LEARNING TIME IN 10TH GRADE MATH Darlene M. Rehaag, M. Ed. Edmonton Public Schools Edmonton, Alberta, Canada Michael Szabo, Ph.D. Department of Educational Psychology Division of Technology in Education University of Alberta Edmonton, Alberta, Canada U.S DEPARTMENT OF EDUCATION °Mice of Educational Research and Improvement EOUCAliONAk. Z: RESOURCES NFORMATION ENTER (ERIC) r Th.5 document he* been reproduced SS received from the perSon Or organization originating it C Minor changes have been made to kmorore reproduction Quality Points of view or otNnions stated t his d0Curnent do not necessarily represent &hotel OE RI position or policy BEST COPY AVAILABLE PERMISSION TO REFRODU C THIS MATERIAL HAS BEEN GRANTED BY Michael Szabo Darlene Rehm TO THE EDUCATIONAL RESOURCES INFORMATION CENTER (ERIC)... Paper submitted for the Association for Educational CommJnications & Technology, Anaheim, California, February, 1995. Page 1 ." @default.
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- W218666105 title "An Experiment on Effects of Redundant Audio in Computer Based Instruction on Achievement, Attitude, and Learning Time in 10th Grade Math" @default.
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