Use of Exams Are "exams" a component of your students' course grade? What percentage of the overall grade are from exams? What is the format of your main exams? Would you characterize these exams as mostly multiple choice, short answer, longer answer questions, or some mixture?
Are these in-class exams or take-home exams? What time restrictions do you place on the exams? How many students do you expect to finish in the time allotted?

Why do you use exams? Do you feel exams are an important reflection of students' abilities?

Do you take any safeguards to try to minimize student cheating? Please describe the concern and how you respond (e.g., seating arrangements, multiple versions of exams).

About 75% of overall grade. Exams are given at the university testing center. There is no time limit. Typically it takes about 1-2 hours. Exams are mostly multiple choice mixed with short answer about their reason. Exams are closed book/notes exams. Students are allowed to bring in a calculator and prepare a formula sheet on which students are allowed to put anything they think will help them. Exam allows to testing students more comprehensive questions. These questions test not only a single concept, but more importantly test their understanding of statistical reasoning and problem solving. In general, I am comfortable that these exams reflect students' understanding of the knowledge. Center has its rules to minimize cheating. Formula sheet must be turned with the exam booklet and scrap papers.