A comparative study of achievement by a group of 30 people doing the test before and after learning the results of the evaluation are shown in Table 4-3 for the achievement of learning by teaching that achievement. between before and after learning about the differences statistically significant at the .05 level by the average posttest than pretest. Prior to the development of such materials. Student scores on the exams, only 75.87 percent, and when developing teaching materials such learners can test with average 86.20 percent.
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