クイズを作問/回答/作問後回答させたことによる心理的な変化の調査
An investigation regarding the change of mental mood by letting them make quizzes, answer them after they were made.
クイズを作問/回答/作問後回答させたことによる心理的な変化の調査
An investigation regarding the change of mental mood by letting them make quizzes, answer them after they were made.