The study of effectiveness of descriptive evaluation in 1st and 2nd grade of primary schools in region 3 of Tehran

Basic purpose of this study is investigating effects of evaluation on educational performance of primary school children in region 3 of Tehran. 164 teachers from simple random sampling is chosen .This study is applicable purposely and in “Descriptive” method is navigating. The tool was used in this study is researcher-based questionnaire. In this presumptive method,“K square” examination and independent sample t test and levene‟s test has used for continuous measuring. Data analysis indicated: -descriptive evaluation decreases students‟ stress. -descriptive evaluation increases educational performance. -descriptive evaluation increases teachers‟ satisfaction.