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Explore the effectiveness of reusing questions in educational testing, with a focus on comparing scores between classes, controlling difficulty, and addressing potential issues like cheating. Consider the balance between formative and summative assessment.
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We instructors want you to learn • So we try new approaches … • But how do we know if they are working? • Testing can help.
Reuse of questions • Take a question that was used in a previous class. • Compare • score in the current class, • score in previous class • Quasi-experimental
Other advantages of reuse • Control difficulty through item analysis • Fix glitches in wording • But, what about “cheating”? • Especially on open-web test!
A balancing act • Do students need a copy of the answers? • “Formative” vs. “summative”
A balancing act • Do students need a copy of the answers? • “Formative” vs. “summative”
A balancing act • Do students need a copy of the answers? • “Formative” vs. “summative”
A balancing act • Do students need a copy of the answers? • “Formative” vs. “summative”
A balancing act • Do students need a copy of the answers? • “Formative” vs. “summative”
A balancing act • Do students need a copy of the answers? • “Formative” vs. “summative”
A balancing act • Do students need a copy of the answers? • “Formative” vs. “summative”