What are the advantages of grading system?
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Option 3: "Decrease in anxiety caused by less marks."
Explanation: The text states that grading can decrease anxiety in students caused by small differences in marks. This directly supports the idea that one advantage of the grading system is the reduction of anxiety, making this option correct.
Option 1: "Aggressive competition among students."
Explanation: The text suggests that grading may lead to competition among students, but it does not indicate that this competition is aggressive or beneficial. Instead, it implies that competition could be detrimental, which contradicts the idea of advantages.
Option 2: "Decrease of overall results percentage."
Explanation: The text does not mention a decrease in overall results percentage as an advantage. In fact, it discusses how grading can lead to satisfaction among students with lower scores, which does not correlate with a decrease in overall results.
Option 4: "Dissatisfaction among students."
Explanation: While the text mentions that some intelligent students are dissatisfied with the grading system, this is not an advantage. Instead, it highlights a disadvantage, making this option incorrect.
Option 5: "Reduced competition among students."
Explanation: The text implies that grading may lead to a decrease in competition among students, as it suggests that students with different scores can achieve the same grade. This reduction in competition is presented as a potential advantage of the grading system.
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