The Online Revolution: Education for Everyone. Daphne Koller & Andrew Ng Stanford University & Coursera

Transcription

1 The Online Revolution: Education for Everyone Daphne Koller & Andrew Ng Stanford University & Coursera

2 South Africa Univ. of Johannesburg Availability

3 Price Changes Since % Increase College Tuition & Fees Medical Care Gas All consumer items Source: Bureau of Labor Statistics Affordability

4 Big breakthroughs happen when what is suddenly possible meets what is desperately necessary. Thomas Friedman May 15, 2012 New York Times

5 ,000 Coursera

6 5m course enrollments registered students 4m 3m 2m 1m 1million users 1.5 million users 18 April launch 17 July partnership announcement 18 Sept partnership announcement

7 Course Status Intro Finance Org. Chem, Primary Healthcare, Equine Nutrition Think Again: How to Reason and Argue Scala, Irrational Behavior Microecons, Nutrition, Astronomy Calculus, Health Policy, Pharma Medical Ethics Statistics, Algorithms, CS101, ML World History, Model Thinking Mythology, Sociology July batch April batch

8 Coming from a middle class family from a small town in India. Never had the luck and guidance to reach Stanford for education. Guess what? God has sent the opportunity right across my door step! Heartfelt thanks to the great team and teachers who made this happen! (Akash Goswami)

9 I'm learning this from home because my 3 month old daughter was diagnosed with a rare immune disease and is still receiving her bone marrow transplant...[she] is doing well, but our family cannot be in public. (Ryan Murphy) I've started a database management internship, based partly on my knowledge I gained through your course

10 # users on site Course Begins 100K 50K v Timeline Real Course

11 Basic Genetics Refresher (OPTIONAL) Genes and alleles (10 min) Mendelian inheritance (13 min) What is DNA? (12 min) Modern Genomics Modern sequencing methods (11 min) Genomic economics (8 min) History: The Human Genome Project (12 min) Commercial Genomics (OPTIONAL) Genetic testing in the commercial world (11 min) Protecting privacy (9 minutes) Personalized Learning Personalized medicine (13 min) Case study: directto-consumer genetics (12 min) Case study: family planning (13 min)

12 "Retrieval Practice Produces More Learning than Elaborative Studying with Concept Mapping." J. Karpicke, J. Blunt. Science (2011) Final exam score Study Repeated Study Concept Mapping Retrieval Practice Testing Improves Learning

13 Multiple-choice (radio button, checkbox) Numerical answers Short answer Math Programming and modeling assignments Peer assessment Meaningful Assessments Coursera

14 Math Expressions

15 Math Expressions

16 Programming assignments Support for any language: R, Python, Matlab, Java, Advanced assessments: timing, memory use, test set performance, Spell-check, Kinect action recognition Modeling assignments (e.g., electrical circuits) Excel spreadsheets (data analysis, financial models, ) Programming & Modeling Coursera

17 Student Grade The Impact of Self-and Peer-Grading on Student Learning. P. Sadler, E. Good. Educational Assessment (2006). Peer Grade Self Grade Teacher Grade Open-Ended Work

18 cf. Calibrated Peer Review (Chapman, 2001) Coursera

19 60% within 10% of score Peer Grading Accuracy (HCI)

20 Peer Grading Accuracy over Time (HCI)

21 Global Community ~7000 students on site at most times

22 Median response time: 22 minutes Students Coursera

23 Community TA Coursera

24 Fellow students on these forums really gave the sense that I wasn't just sitting in my office working vv on it by myself. The spirit of cooperation and information sharing has been far more than any non-virtual course I ever took. (Sanjaya Kumar)

25 San Francisco HCI-Class Study Group Vietnam Czechoslovakia Nigeria Miami Guatemala A multilingual universal study group Arabic speaking students Nepal Athens Russian Austin, Texas speaking students Minnesota Kenya Student Study Groups

26 Wrong student answers New Window into Human Learning

27 Jon Huang For each forum question q, estimate: Increase in probability of transitioning to correct response given that a user viewed question q (focusing only one cluster of incorrect responses at a time) Experimental setup: incorrect submission incorrect submission Final correct submission Submission timeline Forum visits New Window into Human Learning

28 "The 2 Sigma Problem: The Search for Methods of Group Instruction as Effective as One-to-One Tutoring." B. Bloom, Educational Researcher (1984). Individual Tutoring Mastery Learning Lecture Achievement Score The 2 Sigma Problem

29 College is a place where a professor s lecture notes go straight to the students lecture notes, without passing through the brains of either. Edwin Emery Slosson The mind is not a vessel that needs filling, but wood that needs igniting. Plutarch from Ian Kidd's translation of Essays

30 "Improved Learning in a Large-Enrollment Physics Class." L. Deslauriers, E. Schelew, and C. Wieman. Science (2011). Lecture Active Learning Igniting Minds 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% 81% 85% 74% 58% 50% 41% Attendance Engagement Learning

31 More interactive than lectures Immediate feedback & mastery Individual tailoring of flow and pace Less threatening environment for students Detailed analytics to improve courses Time for meaningful engagement between students and faculty, students and peers Benefits to On-Campus Teaching

32 Universal Access to Education