Mississippi State University
Course Title: Survey of Chemistry
Contact: Svein Saebo
Mississippi State University (MSU) plans to redesign Survey of Chemistry, a freshman level, non-major chemistry course, enrolling ~500 students annually. Two sections are offered in the fall and one in the spring semester, each with ~150 students. One section with ~50 students is offered in the summer. The course is a curriculum requirement or a science elective for a very diverse number of majors, thus impacting students throughout the university. It is taught by full-time faculty in a traditional lecture format with three 50-minute lectures per week. Survey of Chemistry does not include a lab; the lab is a separate course. Recitation sessions are normally not available, and neither graduate nor undergraduate students are used to assist in this course.
Students come to the traditional chemistry course with diverse backgrounds and varying degrees of academic preparation, which contributes to an average success rate of ~65%. Grading traditional homework assignments is a time consuming activity for faculty and is often reduced to a minimum given the large class size. This traditional method does not provide timely or adequate feedback to students. There is inconsistency across sections in delivery, content and testing. These problems are compounded by a seriously understaffed Department of Chemistry and a predicted growth in student demand. University officials recently notified the department to expect an enrollment increase of 1000 students in this course in the near future.
MSU will redesign Survey of Chemistry using the Replacement Model. The three weekly lectures will be replaced by a set of short modules delivered online and a single weekly meeting to answer student questions and conduct in-class testing. Each of the modules will cover a specific topic and can be viewed multiple times. Students will post questions in a chat room or directly with the instructor via e-mail. The traditional homework will be replaced by Chem21Labs, online homework software with automatic grading and immediate feedback to the students.
The redesigned course will enhance the quality of the students’ educational experience and provide a consistent learning experience for all. Students will be more actively engaged with the content, working through the modules at their own pace, solving problems and receiving immediate feedback. Chem21Labs will also be used to monitor and assess student progress. When students master a particular topic, they can move on to the next one. Trained undergraduate peer tutors, available in a computer lab to meet with 20% of the students two hours per day, will answer questions and assist the students with their online assignments. The redesigned course will also enable the department to meet the anticipated enrollment increase.
MSU’s assessment plan will use the same comprehensive final exam that has been used in the traditional course. Historical data for 650 students will be compared to exams scores in the redesigned sections. The plan calls for offering one traditional section during the spring 2009 pilot phase and for full implementation in the fall 2009 semester, when all sections will be redesigned into one single section per term. In addition, the team will also administer pre-survey and post-survey questions to assess student satisfaction and identify any implementation issues needing attention.
MSU will reduce the cost of instruction by teaching an increased annual enrollment (from 500 to 1000 students) on the same resource base. Section size will be increased from 150 to 450, and the number of sections will be reduced from four to three. Three full-time faculty, rather than four, will teach the course; this will free up the equivalent of one full-time faculty member’s teaching obligation for the year. These actions will decrease the cost-per-student from $133 to $51, a 62% reduction. The savings generated by the redesign will strengthen the department, enabling them to offer critically needed higher level undergraduate and graduate courses, while accommodating increased student demand.
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