Oct. 31, 2002W. BauerSlide 1 of 8 Test Library & Adaptive Learning Wolfgang Bauer

Oct. 31, 2002W. BauerSlide 2 of 8 Resources in lon-capa (as of ) Individual resources 5966 homework/exam problems 4971 gif or jpg files 150 movies 180 java applets 2986 html content pages 1853 bio resources from HHMI grant project Biggest library in National Science Digital Library

Oct. 31, 2002W. BauerSlide 3 of 8 Resource MetaData Static –Owner –Type –Version, date –Subject, keywords Dynamic –Usage –Difficulty –Discrimination Subjective Evaluations

Oct. 31, 2002W. BauerSlide 4 of 8 Resource MetaData 2 Class-by-class summaries of information on test questions (here PHY183, SS02)

Oct. 31, 2002W. BauerSlide 5 of 8 One more.. Detailed feedback on where students experience difficulties Opportunity for selective interventions; individual branching points –Guy Albertelli, Berhouz Minaei-Bigdoli, William F. Punch, Gerd Kortemeyer and Edwin Kashy, FIE 2002

Oct. 31, 2002W. BauerSlide 6 of 8 Open Problem Library Large library of problems (we are almost there) –MetaData record degree of difficulty and discrimination for each class, for each problem –Open to all students for practice –Let computer pick problems for exams No more question: “Is this on the exam?” Prof and student are on the same side Measure teachers and learners more objectively Provides a more reliable measure to evaluate teaching innovation More objective data for faculty teaching evaluation than student response forms

Oct. 31, 2002W. BauerSlide 7 of 8 Different Students Learn in Different Ways Beyond obvious But: “no significant difference” phenomenon –attempt to measure learning innovation in one- size-fits-all mode Goal: Let students optimize their own learning environment by selecting resources that help them understand best (talking head, animated blackboard, movie of lecture demo, interactive applet, series of equations, text and pictures, …) Train computer to recognize choices and tailor first offering to perceived needs Adaptive learning (Compare: Amazon web site)

Oct. 31, 2002W. BauerSlide 8 of 8 Time Line Resource Collection:pre-2001 Static MetaData:since 2001 Dynamical MetaData:since 2002 Data mining:presently Test library software:2003 Test library testing:2004 Adaptive learning:2004 Setback: graduate student Paul Kotas was drafted for war in Afghanistan / Iraq(?)