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An evaluation of a level-one instructional videodisc program

Hasselbring, T.; Sherwood, R.; Bransford, J.; Fleenor, K.; Griffith, D.; Goin, L.
This article summarizes two studies on the effect of the videodisc program Mastering Fractions (MF). The first study examined the effect of the MF on the acquisition of fraction skills by 83 secondary students in comparison to a basal fractions (BF) program. To determine whether there was a novelty effect associated with the videodiscs, the lessons from MF were taught by a teacher using overhead projections to a third group of students. A test covering the 12 objectives of MF as well as the fraction skills listed in the BF scope and sequence chart was constructed and administered for pre- and posttest measures. An additional descriptive study was conducted to determine the effectiveness of MF with students in three school systems in the southeast. Results from the first study indicated that students instructed with the MF lessons scored significantly higher on the posttest than students in the BF program. These students also recorded larger gains between pre- and post-testing than students in the BF program. Students instructed with the videodisc program demonstrated the greatest gains between pre- and post-testing. Results indicated little novelty effect with the MF videodisc program. Results from the descriptive study indicated that all classes made significant pre- to posttest gains. The strongest gains between pre- and post-testing came from classrooms where all lessons were completed. (Copyright © 2011, National Institute for Direct Instruction (NIFDI). All rights reserved).
Research areas:
Main publication type:
Program Effectiveness
Mastering Fractions, math, videodisc program
Journal of Educational Technology Systems
Design type:
Pretest posttest control group design with random assignment, pretest-posttest gain scores
Fidelity monitored:
Students included:
Secondary students, elementary students, general education students, above average students, Caucasian students, African American students
South, southeast, urban area, middle school, high school, elementary school

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