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UA Introductory Biology Redesign: Final report Lisa Elfring, Elizabeth Willott, Susan Jorstad, Ted Weinert, Ravi Palanivelu, Rob Leonard, Brian Larkins, Kate Dixon University of Arizona
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Introductory Biology at UA ~1800 students per year, ~1500 in fall This is a course for majors (>25 different majors) Six fall sections taught by 6-9 faculty Lecture sections of 200-300 students Few graduate student TAs-- Undergraduate tutors assist in class Traditional lecture-style presentation, no required discussion sections Variable use of instructional technology
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Goals of our redesign 1. Enhance student learning by using more active- learning techniques and increasing students’ out-of- class time spent on the course 2. Promote students’ view of biology as a rapidly changing, interdisciplinary endeavor 3. Increase the uniformity in course content and instructional approaches among the different sections 4. Increase student success rates in the class (number of students who achieve overall scores ≥ 60% in the course). 5. Develop mechanisms that enable these changes and accommodate anticipated increased student enrollment without a concomitant increase in personnel.
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Key features of redesign Pre-class tutorials and quizzes In-class activities that promote student interaction and higher-level learning Undergraduate tutors use technology to provide out-of-class help Learning materials adopted from Pearson Publishing- Mastering Biology Assessment: Pre- and post-tests, embedded final exam questions, “post-post” tests in ensuing biology courses
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Final report: Fall 2008, full implementation Five of six sections used the redesign strategies (n=1,184 students). One instructor (n= 284 students) chose not to follow the redesign protocol All redesigned sections adopted 11 common final exam questions on key concepts All sections completed pre- and posttests (administered in laboratory sections)
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Learning outcomes Compared traditional sections taught in Fall 2007 with redesigned sections taught by those instructors in Fall 2008. Retirements and a death in Fall 2007-- 2 new instructors in 2008 PretestPosttestGain 2007 traditional N= 515 52.15% +/- 9.6% 59.6% +/- 11.5% 7.47% 2008 redesigned N= 814 55.31% +/- 10.2% 63.95% +/- 8.6% 8.64%
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Other student impacts Course evaluations: ratings essentially unchanged Lecture attendance: ~75% vs. ~45% for traditional sections (clicker points) Students positive about usefulness of – Online quizzes (67%) – Clicker exercises (48%) – Instructor-created podcasts (75%) – In-class problem-solving (61%)
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Course retention 2007 A13.67% B22.71% C25.21% D21.88% E 9.99% W5.47% DR0.71% Other0.36% % DEWDr38.41% 2008 A13.23% B22.50% C30.43% D16.82% E 11.34% W3.97% DR1.42% Other0.28% % DEWDr33.83% 2008 A13.23% B22.50% C30.43% D16.82% E 11.34% W3.97% DR1.42% Other0.28% % DEWDr33.83%
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Cost savings We moved from 9 faculty in 2007 to 7 in 2008 (target: 4 faculty teaching 6 sections) We moved from 6 graduate teaching assistants to 2 We moved from 30 undergraduate tutors to 42 Enrollment stayed relatively constant
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Challenges Uniformity of approach between instructors – Changing instructor lineup – Assessment, grade cutoff issues Time to become familiar with new resources (Mastering Biology) Student compliance in registering properly for technology resources Time required for incorporating grades from clickers, tutorials into course gradebook Recruiting undergraduate tutors
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Surprises- positive Student response was largely positive 2008 students asking to serve as undergraduate tutors for Fall 2009 Increased collaboration between most faculty-- focus on assessment has increased engagement Ongoing engagement with publisher about text and Mastering Biology resources
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Surprises-negative About 1/3 students expected to receive an A at the end of the semester, despite much evidence to the contrary Pretest/posttest question: “My interest in the content of this course is ___________.” Results in 2007 and 2008: 25% responded “great” on pretests, 9% responded “great” on posttests
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The future Shared course resources: Instructor-created podcasts, useful animations and links, exam and quiz questions, clicker questions, and course resources are available on a password-protected website Budget situation is uncertain. Will course enrollments continue to increase? For 2009, 5 instructors will teach 6 sections Instructor meetings continue-- opportunity for continued professional development and collaboration Moving toward common final exam
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Contact us Lisa Elfring elfring@email.arizona.edu Elizabeth Willott willott@email.arizona.edu Kate Dixon dixonk@email.arizona.edu
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