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The Effect of Shibboleth on the Introductory Courses John Hopkins 2003 The Introductory Courses Phys 211, 212, 213, 214 Technology Use Faculty/Staff Administrative Uses Course Preparation Archive Lectures Exams Web Console Labs Recitations Student Eduactional Uses Course Operation Demos WebAssign Help Desk Job Duties TA Website Grades John Hopkins 2003 Homework Grading Excuses Labs Grading Help Faculty/Staff Technology Use Faculty/Staff Administrative Uses Course Preparation Archive Lectures Exams Web Console Labs Student Eduactional Uses Course Operation Demos WebAssign Recitations Help Desk Job Duties TA Website Grades Homework Labs Grading Help Grading Excuses Demos in lectures are tracked Faculty used assigned to the introductory course are provided access to an archive of previously used materials. PIRA Classification Scheme 100’s of previous ppt lectures Pictures and explanations of hundreds of lecture demonstrations labs Electronic request and tracking system Exams and other information John Hopkins 2003 Course Operation Technology Use Faculty/Staff Administrative Uses Course Preparation Archive Lectures Exams Web Console Labs Recitations Student Eduactional Uses Course Operation Demos WebAssign Help Desk Job Duties TA Website Grades Homework Labs Grading Grading Excuses A website developed toand assist ourhours. assistants. Help Desk is was staffed during normal business Staff respond within one Homework is offered through WebAssign ~1/4 million scores are collected tracked inteaching the(NCState) introcourses. Scores working to questions regarding: collectedday from: •The TAs up-to-date grades on students Students logincan by check entering userid and password to access •Grades •TAs randomized questions selected for each assignment. 10 -15/set •Enter excuses for students •Web •UTSAssign (typically high at the beginning of the course) Multiple are allotted •Look fortrials substitutes to cover unexpected absences. •Computer Issues View sample display •Web Assign Instant feedback •Others John Hopkins 2003 Help Student Use Technology Use Faculty/Staff Administrative Uses Course Preparation Archive Lectures Exams Web Console Labs Student Eduactional Uses Course Operation Demos WebAssign Recitations Help Desk Job Duties TA Website Grades Homework Labs Grading Grading Excuses Primary source of information regarding the administrative aspects of the course can be found on the course website: http://class.phys.psu.edu John Hopkins 2003 Help Recent Effort Technology Use Faculty/Staff Administrative Uses Course Preparation Archive Lectures Exams Web Console Labs Recitations Student Eduactional Uses Course Operation Demos WebAssign Help Desk Job Duties TA Website Grades Homework Labs Grading Grading Excuses Login problems generate a ripple effect through the system Forgotten passwords, userids, etc. We were looking to get out of the password business. Internet2 was looking for a test case where confidential information could be shared between research institutions. John Hopkins 2003 Help Internet2 - Shibboleth Primary Goals of Inet2 (~200 Universities) • Create a leading edge network capability for the national research community • Enable revolutionary Internet applications • Ensure the rapid transfer of new network services and applications to the broader Internet community. Shibboleth Framework for providing inter-institutional sharing and controlled access to web available services Steve Kellogg - recognized that our problem had a shibboleth answer Renee Shuey and Mark Earnest formed a group that worked with WebAssign and implemented the code. John Hopkins 2003 Trust Request Attribute from Release User Policies Target Site (Web Resource) Origin Site (user browser) Authentication Web Request Services John Hopkins 2003 Effect Trial 35 30 Questions One large course and one medium course (~1000 students) using Shib (Physics 211 and 001) One large course and two medium courses used as control (physics 212 and 213/4) WebAssign questions 25 20 15 10 5 9 10 97 85 73 61 49 37 25 13 Historically, first two weeks • 25 to 30 questions/day • Almost all are login problems 0 1 Control Group Date Numbers of queries in the “Shib” courses …..~1 or 2/day A reduction of ~85% Numbers of queries in the normal courses remain at ~ 15/day for 3 John Hopkins 2003 weeks Full Implementation WebAssign questions Fall '02 35 No Shib Questions What we saw in the trial with ~1000 students 30 25 20 15 10 5 9 10 97 85 73 61 49 37 25 13 1 0 Date 25 20 15 10 5 John Hopkins 2003 Date 76 71 66 61 56 51 46 41 36 31 26 21 16 11 0 6 ~2500 students. 30 1 (Physics 211, 212, 213/4, 001) 35 # of Queries Implementation in all of the classes "Contact Us" WebAssign Spr '03