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Redesign of Precalculus Mathematics THE UNIVERSITY OF ALABAMA College of Arts and Sciences Course Redesign Workshop October 21, 2006
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Redesign of Precalculus Mathematics l Setting/Problem l Course History l Course Format l Outcomes l Implementation issues l Cost-Savings l Conclusions
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Setting 6 Precalculus math courses 6500 students per year Taught in traditional, lecture-based setting Taught entirely by instructors and GTAs
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Course Format Courses taught in rigid format Common syllabus Common presentation schedule Common tests
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Problems Courses teacher centered No support for multiple learning styles Inconsistent coverage of topics No flexibility in instructional pace Lack of student success D/F/W rates as high as 60% Very high course repeat percentage Negative impact on student retention Significant drain on resources
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Issues Tenure-track faculty not invested in precalculus courses Courses damaging to department’s reputation Solutions proposed required significant resources Smaller class size Increased support (graders, tutors)
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Solution Identify an alternative structure that: Had faculty and instructor support Was learner centered Supported multiple learning styles Provided consistent presentation of material Allowed students to work at own pace Increased student success Reduced resource demands
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Approach Selected “Math Emporium” model developed by Virginia Tech Initial application to Intermediate Algebra (Math 100) Approximately 1300 students per year
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Course History
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Fall 1999Fall 1999 Visited Virginia Tech Began initial planning for course course text/software - Intermediate Algebra by Martin- Gay/MyMathLab (Prentice-Hall)
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Course History Spring 2000Spring 2000 Piloted redesigned format in 3 sections of Math 100 (100 students)
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Course History Summer 2000Summer 2000 Received $200,000 Pew grant Assigned a 70-seat computer lab to course Mathematics Technology Learning Center (MTLC)Established the Mathematics Technology Learning Center (MTLC) Taught 5 sections of Math 100 (130 students) using redesigned format
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Course History Fall 2000Fall 2000 Taught 18 sections of Math 100 in MTLC (1140 students) 1140
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Course History
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Course Format
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l 30-50 minute “classes” that introduce students to topics and integrate the topics into the overall course objectives l 3-4 hours in MTLC or elsewhere working independently using course software that presents a series of topics covering specific learning objectives l Instructors and tutors available in MTLC 71 hours/week to provide individualized assistance
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Course Format (continued) l Students work homework problems that cover defined learning objectives l Homework is graded immediately by the computer providing the student with instant feedback on their performance l After completing homework, students take quizzes that cover learning objectives
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Course Format (continued) l Students can do homework and take quizzes multiple times and receive instant feedback l After completing homework and quizzes on a series of topics, students take a section test l Tests are given only in the MTLC l Tests available on demand with a specified completion date
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Fundamental Premise Students learn mathematics by doing mathematics
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Advantages of Course Format Learner centered Software supports multiple learning styles Consistent presentation of material Individualized tutorial support available
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Advantages of Course Format Students can work at own pace Students can work in lab or at home Software provides instant feedback on work Homework, quizzes, tests, & exam computer graded Software records all student activity
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Implementation Issues
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Instructor Buy-In Instructor Training Detachment From Students Student Engagement “No Teacher” Syndrome Staff Scheduling Scheduling Deadlines, Tests, Etc. Data Management Implementation Issues
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Outcomes
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Success Rates Semester Success Rate Semester Success Rate Fall 1998 47.1% Spring 199944.2% Fall 1999 40.6% Spring 200053.5%
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Success Rates Semester Success Rate Semester Success Rate Fall 1998 47.1% Spring 199944.2% Fall 1999 40.6% Spring 200053.5% Fall 2000 50.2% Spring 200135.8% Fall 2001 60.5% Spring 200249.8% Fall 2002 63.0% Spring 2003 41.8% Fall 2003 78.9% Spring 200455.4% Fall 2004 76.2% Spring 200560.1%
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Success Rates Semester Success Rate Semester Success Rate Fall 1998 47.1% Spring 199944.2% Fall 1999 40.6% Spring 200053.5% Fall 2000 50.2% Spring 200135.8% Fall 2001 60.5% Spring 200249.8% Fall 2002 63.0% Spring 2003 41.8% Fall 2003 78.9% Spring 200455.4% Fall 2004 76.2% Spring 200560.1% Fall 2005 66.7% Spring 200656.5%
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Outcomes – Grade Distribution* Semester A B C Fall 199913.1%32.6%54.2% Spring 2000 12.7% 34.0% 53.3% Fall 200018.0% 41.6% 40.4% Spring 200111.0% 24.8% 64.2% Fall 200117.4% 41.7% 40.9% Spring 200211.0% 36.7% 52.2% Fall 200221.5% 40.1% 38.4% Spring 200317.0%28.6%54.4% Fall 200342.3%38.1%19.6% Spring 200422.1%36.2%41.7% *Percentages of students successful
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Math 121 Grade Distributions (Fall 2005 Semester) ABCDFW Math 121 T10.8%18.6%21.9%5.4%11.9%31.4% Math 121 C17.4%20.4%26.9%11.4%9.6%14.4%
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Pass Rate (Subsequent Courses) Cohort MTLC Overall F98-Sp99 57.4% 44.3% F99-Sp00 54.6% 40.0% F00-Sp01 58.0% 44.5% F01-Sp0274.6% 53.8% F02-Sp0381.4% 46.6% Math 112 - Precalculus
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Underserved Groups
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Pass Rates by Math Placement Category Math Placement Score Year<200200-250>250 98/9931.5%45.5%66.6% 99/0040.3%43.8%63.2% 00/0132.8%42.0%60.6% 01/0248.9%53.8%71.2% 02/0348.4%54.9%62.0%
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Pass Rates by Gender (Fall Semesters) F 98F 99F 00F 01F 02 Females54.7%48.9%53.0%66.7%68.2% Males39.1%31.8%45.9%55.8%57.6% Overall47.1%40.6%50.2%60.5%63.0%
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Outcomes By Ethnicity Demographics Caucasian – 81% African-American – 15% Other – 4%
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Math Placement Scores Fall 2001Placement Level Mean<200200-250>250 African- American20841%31%28% Caucasian23020%45%35%
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Pass Rates by Ethnicity (Fall Semesters) F 98F 99F 00F 01F 02 African-American46.2%35.0%59.4%60.4%63.6% Caucasian46.9%41.1%46.5%60.7%62.3% Overall47.1%40.6%50.2%60.5%63.0%
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Course Persistence
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Course Persistence (Math 100) Test 1Test 2Test 3Test 4Final Fall 200192.4%89.3%83.8%81.6%78.6% Fall 200292.3%89.7%84.7%79.4%77.2% Fall 200392.1%91.2%88.6%86.3%85.8% Fall 200494.4%92.2%90.0%86.6%86.4% Fall 200593.6%89.7%82.7%79.7%80.1%
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Math 121 Course Persistence (Fall 2005 Semester) Test 1Test 2Test 3Test 4Final Math 121T88.4%83.0%67.0%64.9%67.3% Math 121C94.6%92.2%85.6%82.6%81.4%
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Cost Savings
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2001-2002 Academic Year - 1480 Students 43 Sections of 35 Students Each 2 FTTI (16 sections) @ $36,250 $72,500 5 GTAs (20 sections) @ $17,565 $87,825 7 PTTI (7 sections) @ $1,655 $11,585 Total Cost $171,910 Cost Per Student $116 Traditional Course Cost
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Redesigned Course Cost 2001-2002 Academic Year - 1480 Students 1 Section Each Semester 2 FTTI @ $36,250$72,500 6 PTTI @ $1,655 $9,930 UG Tutors 5760 hrs @ $7/hr $40,320 Total Cost $122,750 Cost Per Student $83
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Cost Savings Traditional Course$116/student Redesigned Course$83/student Savings$33/student (28%)
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Cost Savings (Economy of Scale) 955 Students in Math 005 & 112 1 FTTI @ $36,250$36,250 4 PTTI @ $1,655 $6,620 Total$42,870 $45/student
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Cost Savings (Reduction of Course Repeats) 1480 Students in Math 100 20% increase in success rate = 296 students 296 students @ $116/student = $34,336
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Student Perceptions of Computer-Based Instruction
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Perceived Advantages l Flexibility in scheduling l Ability to move at own pace l Instant feedback l Availability of individual help l Equality of presentation l Equality of testing l Elimination of language problems
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Perceived Disadvantages l Technical problems frustrating l Confusion regarding course policies l Lack of a “teacher” l Inconsistent availability and quality of help l Necessity of self-discipline
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Worked More or Less Than Traditional Course SemesterMoreSameLess Sp 0133.3%30.3%36.4% Fall 0146.1%29.3%24.6% Sp 0243.2%28.6%28.2% Fall 0242.6%37.0%20.4% Sp 0337.0%38.9%24.1%
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For each section, what do you typically do first. Percent Learning Activities5.0% Practice Problems9.4% Graded Homework81.8% Quiz1.7% Talk With Tutor1.8%
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Learning Compared to Traditional Class SemesterLessSameMore Fall 0018.3%68.5%13.2% Sp 0140.8%31.6%27.6% Fall 0128.8%34.8%36.4% Sp 0232.7%40.9%26.4% Fall 0224.6%39.0%36.4% Sp 0335.2% 29.6%
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Correlation to Active Learning Question Strongly Agree Tend to Agree Tend to Disagree Strongly Disagree 1. This course helped me learn to work through a process to solve math problems 32.5%47.2%14.8% 5.5% 2. This course encourages me to take responsibility for my own learning 45.2%42.3% 8.9%3.6% 3. This course encourages me to search for answers myself rather than asking others 38.9%49.9% 7.4%3.8% 4. It is easy to pay attention in this class 34.0%46.4%14.5%5.1%
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University of North Carolina Survey “This course is a good fit with my learning preferences.” Redesign Strongly Disagree45.3% Disagree21.8% Neutral17.3% Agree11.7% Strongly Agree3.9%
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University of North Carolina Survey “This course is a good fit with my learning preferences.” RedesignTraditional Strongly Disagree45.3%26.6% Disagree21.8%54.0% Neutral17.3% Agree11.7%2.1% Strongly Agree3.9%0.0%
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Conclusions Based on our experience, we are confident that computer-based instruction in precalculus mathematics courses can: Enhance student learning Increase success rates, particularly for underserved students Reduce resource demands
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