Effectiveness of instructional materials in teaching mensuration

Abstract

iv

The purpose of present study was to find out the effectiveness of the instruction materials in teaching mensuration at lower secondary level. The researcher selected just one school for his research purpose, it was shree Saraswati Secondary school, Kanchanpur district. The research was carried out for period of 14 days. The design of the research was experimental in nature with sample of 44 students of grade VIII. The quantitative data derived from pre- post test on experimental and control groups were analyzed applying t-test. The experimental group was taught by using different instructional materials and control group was without using instructional materials. Pre test was administered before the experimental started. The experimental runs for the duration of 14 days. After 14 days a post test was administered on both groups and the mean scores was calculated. The difference in mean achievement score are tested by using t- test at 0.05 level of significance. Finally, the researcher concluded that the achievement of students of experimental group is better than the achievement of control group. The result showed that there is significant difference in achievement of experimental group over control group while using of instructional materials in teaching of mensuration at lower secondary level.