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code. The functional test and the empirical approach are used for this tool’s evaluation. For the functional test, the
Index of Item-Objective Congruence is 0.73 tested by 5 specialists and 30 students are used for the empirical test
which the exam’s difficulty is 0.23-0.90, the discrimination is 0.05-0.60. The result shows the efficiency of this
tool is 80.78/80.67.
Keywords: Programming Supporting Tool, OOP Concepts, Java Source Code, Tool Efficiency
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