Evaluation is an essential part of the learning process, as it helps to determine whether students have truly grasped the concepts being taught. The item difficulty index (the difficulty level of items or questions) plays a key role in evaluation and represents the ratio of the number of students who chose the correct response to the total number of students who responded to each question. This index can therefore provide a general measure of the difficulty level of tests. Furthermore, the ability of educators to create items and predict their difficulty indices significantly affects the evaluation process. Evaluation is an essential part of the learning process, as it helps to determine whether students have truly grasped the concepts being taught. The item difficulty index (the difficulty level of items or questions) plays a key role in evaluation and represents the ratio of the number of students who chose the correct response to the total number of students who responded to each question. This index can therefore provide a general measure of the difficulty level of tests. Furthermore, the ability of educators to create items and predict their difficulty indices significantly affects the evaluation process. Education Phys.org – latest science and technology news stories
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