Özet:

The purpose of this study is to examine seventh grade Science and Technology course in primary education according to Mayer's message design principles for the impact on student achievement. As research design, a final test was administered to experimental and control groups. The subject of simple machines in the Science and Technology course was taught to the experimental group according to the Mayer's scientific message design principles, and sample questions were solved according to mathematics message design principles. The same subject was taught to the control group with traditional teacher-centered method. As a result of this expression applied test to students for compare students’ success. According to research results, a significant difference was found on the student achievement in terms of applying message design principles.

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