h-star institute human sciences and technologies …typical mooc components videos of lectures or...
TRANSCRIPT
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KEITH DEVLIN
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MOOC
KEITH DEVLIN
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MOOC
KEITH DEVLIN
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Stanford and Online Learning
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It’s not about the MOOC!
Stanford and Online Learning
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It’s not about the MOOC!
The MOOC is a consequence
Stanford and Online Learning
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It’s not about the MOOC!
The MOOC is a consequencewhich we spun off to some startup companies (Coursera, Udacity, Novo Ed) and to MIT (edX)
Stanford and Online Learning
![Page 8: H-STAR Institute HUMAN SCIENCES AND TECHNOLOGIES …Typical MOOC components Videos of lectures or presentations Include written material, images, graphs, charts, diagrams, etc. Written](https://reader033.vdocument.in/reader033/viewer/2022042008/5e70f579ae7131663e28710e/html5/thumbnails/8.jpg)
It’s not about the MOOC!
The MOOC is a consequencewhich we spun off to some startup companies (Coursera, Udacity, Novo Ed) and to MIT (edX)
The project is education research
Stanford and Online Learning
![Page 9: H-STAR Institute HUMAN SCIENCES AND TECHNOLOGIES …Typical MOOC components Videos of lectures or presentations Include written material, images, graphs, charts, diagrams, etc. Written](https://reader033.vdocument.in/reader033/viewer/2022042008/5e70f579ae7131663e28710e/html5/thumbnails/9.jpg)
It’s not about the MOOC!
The MOOC is a consequencewhich we spun off to some startup companies (Coursera, Udacity, Novo Ed) and to MIT (edX)
The project is education research
Disruptive?
Stanford and Online Learning
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It’s not about the MOOC!
The MOOC is a consequencewhich we spun off to some startup companies (Coursera, Udacity, Novo Ed) and to MIT (edX)
The project is education research
Disruptive? Maybe
Stanford and Online Learning
![Page 11: H-STAR Institute HUMAN SCIENCES AND TECHNOLOGIES …Typical MOOC components Videos of lectures or presentations Include written material, images, graphs, charts, diagrams, etc. Written](https://reader033.vdocument.in/reader033/viewer/2022042008/5e70f579ae7131663e28710e/html5/thumbnails/11.jpg)
It’s not about the MOOC!
The MOOC is a consequencewhich we spun off to some startup companies (Coursera, Udacity, Novo Ed) and to MIT (edX)
The project is education research
Disruptive? Maybe
Disruptive?
Stanford and Online Learning
![Page 12: H-STAR Institute HUMAN SCIENCES AND TECHNOLOGIES …Typical MOOC components Videos of lectures or presentations Include written material, images, graphs, charts, diagrams, etc. Written](https://reader033.vdocument.in/reader033/viewer/2022042008/5e70f579ae7131663e28710e/html5/thumbnails/12.jpg)
It’s not about the MOOC!
The MOOC is a consequencewhich we spun off to some startup companies (Coursera, Udacity, Novo Ed) and to MIT (edX)
The project is education research
Disruptive? Maybe
Disruptive? For sure
Stanford and Online Learning
![Page 13: H-STAR Institute HUMAN SCIENCES AND TECHNOLOGIES …Typical MOOC components Videos of lectures or presentations Include written material, images, graphs, charts, diagrams, etc. Written](https://reader033.vdocument.in/reader033/viewer/2022042008/5e70f579ae7131663e28710e/html5/thumbnails/13.jpg)
Stanford Research
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Keith Devlin
Proofs in the CloudUsing proof evaluation to help
students learn about proofs in a
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Connectivism and Connective Knowledge
George Siemens & Stephen Downes
University of Manitoba
2008
Massively Open Online Course
Artificial Intelligence and Robotics
Sebastian Thrun & Peter Norvig
Stanford University (& Google)
2011
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Connectivism and Connective Knowledge
George Siemens & Stephen Downes
University of Manitoba
2008
Massively Open Online Course
Artificial Intelligence and Robotics
Sebastian Thrun & Peter Norvig
Stanford University (& Google)
2011
Regular classroom + RSS feeds, threaded discussions in Moodle, blog posts, Second Life, and synchronous online meetings
Regular classroom + Class2Go platform, being developed at Stanford to support flipped classrooms
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Connectivism and Connective Knowledge
George Siemens & Stephen Downes
University of Manitoba
2008
Massively Open Online Course
Artificial Intelligence and Robotics
Sebastian Thrun & Peter Norvig
Stanford University (& Google)
2011
Regular classroom + RSS feeds, threaded discussions in Moodle, blog posts, Second Life, and synchronous online meetings
Regular classroom + Class2Go platform, being developed at Stanford to support flipped classrooms
2,300 students 160,000 students
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– focus on scalability
– focus on community
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– focus on scalability
– focus on community
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– focus on scalability
– focus on community
Basic courses in math,science, engineering,many courses in CS
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– focus on scalability
– focus on community
Basic courses in math,science, engineering,many courses in CS
Humanities, business, advanced courses in math, science, and engineering, some courses in CS
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– focus on scalability
– focus on community
Basic courses in math,science, engineering,many courses in CS
Humanities, business, advanced courses in math, science, and engineering, some courses in CS
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– focus on scalability
– focus on community
Basic courses in math,science, engineering,many courses in CS
Humanities, business, advanced courses in math, science, and engineering, some courses in CS
![Page 24: H-STAR Institute HUMAN SCIENCES AND TECHNOLOGIES …Typical MOOC components Videos of lectures or presentations Include written material, images, graphs, charts, diagrams, etc. Written](https://reader033.vdocument.in/reader033/viewer/2022042008/5e70f579ae7131663e28710e/html5/thumbnails/24.jpg)
– focus on scalability
– focus on community
Basic courses in math,science, engineering,many courses in CS
Humanities, business, advanced courses in math, science, and engineering, some courses in CS
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– focus on scalability
– focus on community
Basic courses in math,science, engineering,many courses in CS
Humanities, business, advanced courses in math, science, and engineering, some courses in CS
Group discussionsPeer evaluation
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Typical MOOC components✦ Videos of lectures or presentations
✦ Include written material, images, graphs, charts, diagrams, etc.✦ Written material may be generated on screen, or pre-prepared ✦ Presenter may or may not appear✦ Presenter may or may not appear alongside written materials✦ Live streaming or downloadable
✦ In-lecture quizzes (machine-graded) ✦ On screen or downloadable written materials ✦ Machine-graded work assignments✦ Peer-evaluated work assignments✦ Text-based, open discussion forum
✦ Threading, up/down voting mechanism, uploading files✦ Grouping mechanism for collaborative group work
✦ Groups assigned or formed by self-selection✦ Interaction by text, Skype, physical co-presence, or other media
✦ Schedule, deadlines, final exam, evaluation, certification
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My MOOC
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My MOOC
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My MOOC
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Basic pedagogic model
Explore and attempt, then discuss with instructor
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Basic pedagogic model
Explore and attempt, then discuss with instructor
Work in small groups
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Basic pedagogic model
Explore and attempt, then discuss with instructor
c.f. Classical apprentice system
Work in small groups
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Basic pedagogic model
Explore and attempt, then discuss with instructor
c.f. Classical apprentice system
Work in small groups
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General lecture format
Clip length12 sec.
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General lecture format
Clip length 50 sec.
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Why the hand?
Clip length 1 min 12 sec.
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Why the hand?
Clip length 1 min 12 sec.
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Key challenges in MOOCs
✦ Building communities of learning✦ Generating, facilitating, supporting, and
encouraging group interaction ✦ Peer evaluation✦ Accreditation✦ Develop appropriate metrics✦ For global reach, provide using smart-phones
over mobile networks and via low bandwidth Internet connections
✦ For commercial providers: revenue generation
$
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Key challenges in MOOCs
✦ Building communities of learning✦ Generating, facilitating, supporting, and
encouraging group interaction ✦ Peer evaluation✦ Accreditation✦ Develop appropriate metrics✦ For global reach, provide using smart-phones
over mobile networks and via low bandwidth Internet connections
✦ For commercial providers: revenue generation
$
![Page 40: H-STAR Institute HUMAN SCIENCES AND TECHNOLOGIES …Typical MOOC components Videos of lectures or presentations Include written material, images, graphs, charts, diagrams, etc. Written](https://reader033.vdocument.in/reader033/viewer/2022042008/5e70f579ae7131663e28710e/html5/thumbnails/40.jpg)
✦ Students are trained to evaluate the work of others✦ Usually involves the use of an evaluation rubric✦ Calibrated peer review:
✦ Stage 1: Student completes and submits work on assignment
✦ Stage 2: Student goes through a cycle of training exercises on grading that assignment (using the rubric) until an acceptable level is reached
✦ Stage 3: Student grades a number of randomly assigned submissions by fellow students
✦ Stage 4: Student grades own submission
✦ When properly implemented, results can be almost as good (numerically) as instructor grading
✦ Can produce deeper learning & understanding
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✦ Students are trained to evaluate the work of others✦ Usually involves the use of an evaluation rubric✦ Calibrated peer review:
✦ Stage 1: Student completes and submits work on assignment
✦ Stage 2: Student goes through a cycle of training exercises on grading that assignment (using the rubric) until an acceptable level is reached
✦ Stage 3: Student grades a number of randomly assigned submissions by fellow students
✦ Stage 4: Student grades own submission
✦ When properly implemented, results can be almost as good (numerically) as instructor grading
✦ Can produce deeper learning & understanding
![Page 42: H-STAR Institute HUMAN SCIENCES AND TECHNOLOGIES …Typical MOOC components Videos of lectures or presentations Include written material, images, graphs, charts, diagrams, etc. Written](https://reader033.vdocument.in/reader033/viewer/2022042008/5e70f579ae7131663e28710e/html5/thumbnails/42.jpg)
Introduction to Mathematical Thinking. Peer Review Grading Rubric (beta)
Grading mathematical proofs is a holistic activity that requires considerable judgment. Ideally, it should be done by someone who is very familiar with mathematical proofs and with the particular topic, and in addition has experience grading. None of these is possible in a MOOC. Instead, we have to rely on the “wisdom of the crowd” phenomenon. To do this, I’ve identified several factors of correct proofs that a reviewer should look for. You are asked to consider each student submission in terms of six categories (listed in the left-hand column) and try to assign 0, 2, or 4 points for each category to the best of your ability. (You can enter 1 or 3 points if you find it hard deciding between the categories, but first try to assign 0, 2, or 4.) Even when broken down this way, you will find you still have to make value judgments. To help you develop that ability, initial use of the rubric will be accompanied by a series of grading exercises using the rubric and tutorial lectures demonstrating the rubric’s use.
* An argument that does not answer the question should be given 0 marks in all categories. ** You can use the final category (Overall valuation) to adjust/compensate for marks awarded in the previous categories
Novice
(0 points) Apprentice (2 points)
Practitioner (4 points)
Logical Correctness The answer given is fundamentally wrong.
The approach is generally correct, but there is at least one significant error.
Other than perhaps a minor slip, the proof is complete and correct.
Clarity Overall, the argument is hard or impossible to follow.
Can follow it with some effort. Some parts may be clearer than others.
Clear and easy to follow throughout.
Opening No opening statement of what is being proved. No mention of use of standard method, where relevant (e.g. induction).
There is a statement of what is being proved (inc. mention of a standard method, if relevant), but it comes later and/or is incomplete.
Clear, correct opening statement of what is being proved, with statement of method if a standard method is used.
Stating the conclusion Argument ends abruptly, without stating or acknowledging a conclusion.
Argument ends with some form of concluding statement, but it is not clear and definitive.
Argument concludes with a clear and concise statement indicating that the desired result has been established.
Reasons Significant steps presented without justification.
Some significant steps are justified, but at least one is not.
Reasons are given for all significant steps.
Overall valuation
Overall, this is not a good answer. The answer is fairly good, but there is room for improvement.
Discounting small, minor slips, this is a good answer.
Please bear in mind that the primary purpose of peer grading in a course such as this is two-fold: (1) The person whose work is being graded obtains helpful, constructive feedback about her or his work from others taking the same class. (2) The act of trying to assign a numerical grade to someone else’s work has been shown to yield considerable learning benefits for the grader. It takes any of us considerable courage to show our work to others, even anonymously, particularly if we are learning something for the first time and consequently are not confident in our ability. The most helpful mindset to adopt in grading mathematics (or anything else for that matter) is “How can I help that person improve?” Many of us have had a math teacher who seemed to have had a different goal. Please don’t be one of those.
Developing & using an
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Developing & using an
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Developing & using an✦ Developed for peer grading mathematical proofs
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Developing & using an✦ Developed for peer grading mathematical proofs
✦ Used to grade final exam
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Developing & using an✦ Developed for peer grading mathematical proofs
✦ Used to grade final exam✦ Used in conjunction with tutorial videos
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Developing & using an✦ Developed for peer grading mathematical proofs
✦ Used to grade final exam✦ Used in conjunction with tutorial videos✦ Used throughout course as a learning device to
learn about proofs
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Developing & using an✦ Developed for peer grading mathematical proofs
✦ Used to grade final exam✦ Used in conjunction with tutorial videos✦ Used throughout course as a learning device to
learn about proofs
![Page 49: H-STAR Institute HUMAN SCIENCES AND TECHNOLOGIES …Typical MOOC components Videos of lectures or presentations Include written material, images, graphs, charts, diagrams, etc. Written](https://reader033.vdocument.in/reader033/viewer/2022042008/5e70f579ae7131663e28710e/html5/thumbnails/49.jpg)
Evaluating proofs with a rubric as a way to
✦ Students are presented with a purported proof✦ They evaluate it according to the course rubric
✦ They enter their score on the website✦ The system measures how far their score is from
the instructor’s, and assigns a grade for the evaluation
✦ The students watch a video of the instructor grading (with explanatory narration) the proof
✦ Rinse and repeat
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The first proof evaluation tutorial
Clip length 1min. (Original tutorial approx 10mins.)
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The first proof evaluation tutorial
Clip length 1min. (Original tutorial approx 10mins.)
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Basic pedagogic model
Explore and attempt, then discuss with instructor
c.f. Classical apprentice system
Work in small groupsEvery lecture has an
associated assignment sheet for ungraded group work & a machine graded
“Problem Set”
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Stanford Online
Video length 3:00 min