MOOC:%% How%Big%Can%Learning%Be?% · Going%MOOC% • One%of%six%Princeton%pilots%in%Sept.%2012% –...
Transcript of MOOC:%% How%Big%Can%Learning%Be?% · Going%MOOC% • One%of%six%Princeton%pilots%in%Sept.%2012% –...
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MOOC: How Big Can Learning Be?
Mung Chiang Princeton University
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I. A Personal Journey of Learning
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An Inter-‐disciplinary Course
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Two “Just-‐in-‐Time” Textbooks
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Going MOOC
• One of six Princeton pilots in Sept. 2012 – Non-‐exclusive arrangement with Coursera
• No credits at all – Tons of emails complaining about that…
• Khan Academy recording style – Tremendous TA help, especially Chris Brinton
• Kudos, VOH, GCH • 180,000+ students enrolled so far – That many people who know eigenvector?
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Flipping at Princeton
• Why pay tuiYon? Class Yme is for interacYon • One-‐way lecturing can stay on YouTube.
• “I don’t know what I’m talking about” – Be\er teacher on campus.
• “Same 3-‐hand” – Be\er student on campus?
• “Did you actually watch the video?” – Where is the “new spine” of synchronous learning?
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Policy Hot Bu\ons • What counts as teaching outside? • What counts as publishing? • Who owns IP? • What counts as class Yme credit? • How about teacher-‐signed cerYficate?
• Why are we even in MOOC? – University leaders, Alumni, Faculty, Staff, Students – PotenYal students – Governments, Legislatures
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II. Many Dimensions of MOOC
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There’s More Than 1 MOOC
• Content provider vs. Plaaorm provider • Content aggregaYon vs. Content creaYon • Open source plaaorm vs. Closed • Nonprofit vs. For profit • Degree, credits, cerYficate, “nothing”…
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Many Types of MOOC
Consumer/Producer Ins/tu/ons Individual Teachers Individual Non-‐teachers
InsYtuYons Needs accreditaYon
Georgia Tech/Udacity
Difficult to achieve
Individuals Coursera
Udacity “Fancy” publishing
Goals/Ages K12 College Graduate & Professional
Lifelong Learning
Accelerate degree
* *
Get/switch jobs
* *
General educaYon
* * * *
Fun *
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1. Broad Access and Reduce Cost
0 5
10 15 20 25 30
1973 1983 1993 2003 2013 Thou
sand
s of D
ollars in
2012
Private Nonprofit Four-‐Year Public Four-‐Year
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2. Roles of University/Faculty
• What’s the physical campus of a university for? – A. Drinking at parYes – B. “Social club” iniYaYon – C. Sanity check before branded stamp – D. Face to face learning experience
• So, how much can you charge for the service? • What about students who didn’t dare to apply?
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3. Economics • Revenue (not working out yet) – Eyeballs (e.g., adverYsing) – Content (e.g., freemium package) – CerYficate (e.g., proctored exams) – Data (e.g., employment matching)
• Cost – ProducYon of content – HosYng of content/data – Labor by teaching staff: one-‐Yme and recurrent – Opportunity cost
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4. Policy (The 3 A’s)
• AuthenYcaYon – Are you who you say you are?
• Assessment – Self-‐grade – Peer-‐grade – Machine-‐grade – Expert-‐grade
• AccreditaYon – Who approves? – Who cares?
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5. (Most Importantly) Pedagogy
• New science of learning – Distance – Asynchronous – Massiv – Heterogeneous – Low (average) engagement
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III. Scale Up Learning
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This Isn’t the First A\empt Year Name Technology Descrip/on
1892 Correspondence Learning Postal mail University of Chicago created first college-‐level distance learning
program
1921 EducaYonal Radio Licenses Radio FCC began granYng educaYonal radio licenses to colleges, allowing
educaYon delivery through live radio shows
1963 IFTS TV
FCC created InstrucYonal Television Fixed Service (ITFS), allowing broadcast of courses over TV
1970 Coastline Community College
First college without physical campus, courses mainly broadcasted on TV
1985 NaYonal
Technological University
Satellite Online degree courses via satellite transmission; students could call in and parYcipate in discussions
1993 Jones InternaYonal University
Internet
First accredited, fully online university
2002 MIT’s OpenCourseWare Free, open, web-‐based publicaYon of MIT course materials
2005 Blackboard Blackboard and WebCT merge to become a leading LMS
2007 Kahn Academy iTunes U Non-‐profit educaYonal site offering video lectures to anyone
2008 MOOC Canadian universiYes
2011 100K MOOC Udacity, edX, Coursera, Semester Online…
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One Core Challenge • Is 2014 the year for teaching and learning to become a scalable human acYvity?
– Is technology ready? (Pre\y much) – Is pedagogy ready? (Not yet) – Are business models ready? (Not yet) – Are teachers and students ready? (Not yet)
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Scale – Efficacy Tradeoff
Is this fronYer possible? Is this possible?
Data from h\p://www.katyjordan.com/MOOCproject.html
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Scale Up: Social Learning
Only 30% of Coursera courses have 1000+ forum-‐acYve students
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Scale Down: IndividualizaYon
IndividualizaYon shows promise over One-‐Size-‐Fits-‐All (OSFA)
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Data about Learning
• (massive amount of) Data is – Common bridge across research disciplines – EssenYal foundaYon to data analyYcs – Major (potenYal) revenue source
• Open access to data presents: – Legal issues – Business issues – Remains a key uncertainty today
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What is “Open”?
• Open content consumpYon so far
• Open content creaYon? • Open content packaging? • Open policy-‐setng? • Open plaaorm? • Open data?
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“Science of Learning” Research • Metrics of efficacy • Design of experiment
• Personalize • Recommend • IncenYvize • Predict
• Model of learning • Taxonomy/structure of knowledge
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Social Learning Networks (SLN)
Science of learning
Data Science
InformaYon Technology
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IV. Scaling Up
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ObservaYons About Forum
• Sharp decline rate – Impact on social learning
• InformaYon overload – Possibility of automaYc recommendaYon
• Not the same as forums like Stackoverflow – Focused around one course – Both social and tech. discussions
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Data
• Summer 2013 • 73 courses on Coursera – 8 vocaYonal courses – 29 quanYtaYve (non-‐vocaYonal) courses – 36 other courses
• 115,922 students on forum • 171,197 threads • 830,000 posts
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Examples
0 20 40 60 80
050
100
150
Drug Discoveries Development
Post
s
0 10 20 30 40 50 60 70
010
020
030
0
Functional Programming
Post
s
0 10 20 30 40 50 60
010
0030
0050
00
Sustainability of Food Systems
Post
s
0 10 20 30 40 50
050
100
150
audiomusicengpart1
posts
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Student AcYvity & Thread Length
1 5 50 500
110
100
1000
0
Log−log Plot
number of posts
num
ber o
f use
rs
1 2 5 10 20 50 2001
1010
010
000
Log−log Plot
length of the threads
coun
t
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Regression Analysis • QuanYtaYve: smaller iniYal volume, but slower decline
• IniYal popularity: light impact on decline rate
• Teacher parYcipaYon: increased volume but similar decline rate
• Peer-‐reviewed homework: much increased volume but slightly increased decline rate
• More threads at the same Yme reduces a\enYon received by each thread
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V. Scaling Down
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IndividualizaYon à Scale
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MIIC • Mobile
– Meet the challenge of seamless dynamic content modificaYon • Integrated
– First system integraYng book + lecture + assessment + social learning • Individualized • One course transparently and intelligently turns into “parallel universes”
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Student Trials 2013
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PredicYon
• 3196 students and 69 quizzes, relaYvely sparse • Train “neighborhood method” • 81% score-‐predicYon accuracy so far
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VI. This Experiment We Call MOOC
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1. Long Timescale
• Will be a long Yme before we have sufficient data to validate the many hypotheses today.
• Tiered models to emerge: 1. (free) TED talks 2. $99.95 freshman courses with on-‐campus tutors 3. online professional degree
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Diverse ExpectaYons
• Extremely diverse set of consYtuents, with vastly different expectaYons
• Flipping people is hard
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Advancing Pedagogy
• Pedagogical advances need to catch up with business discussions
• Are these millions of people actually learning? What data informs us?
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Much More To Learn About Learning