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Abstract: The study aims to know the quality of SMP
teacher-made tests of math and science. Following level of difficulty, the
result shows that it is 1) 21.25, 16.15 and 62.7% for math and; 2) 28.2%, 25.9%
and 45.9% for science successively. In
terms of discriminating power it is 3) 3,7%, 7,8%, 12% and 76,5% for math and;
4) 7,7%, 13,2%, 18,2% and 60,9% for science successively. Meanwhile, the aitem
total correlation shows 5) 6,5%, 50,7% and 42,8% for math and ; 6) 18,2%, 27,3%
and 54,5% for science. Finally the reliability is only 20 % for math items and
10% for science.
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