Submitted by Andrew Ng on January 24, 2013 - 3:05am
Educators create online courses for the same reasons that they became teachers to begin with: to educate students, broaden their awareness of the world and thereby improve the students’ lives. And with massive open online courses (MOOCs), educators can now reach many more students at a time. But MOOCs offer many other benefits to the education community, including providing valuable lessons to the instructors who teach them.
Online courses inherently allow students to create their own pathways through the material, which forces educators to think about the content in new ways. And MOOCs offer professors fresh opportunities to observe how their peers teach, learn from one another’s successes and failures and swap tactics to keep students engaged. This is, in turn, makes them better teachers.
MOOCs are still the wild west of higher education, and there is no “one size fits all” approach to building one. At Coursera, we’ve been working with educators as they experiment with designing courses for this new format, and for a student body of unprecedented proportions. (For example, Duke University’s Think Again: How to Reason and Argue by Walter Sinnott-Armstrong and Ram Neta has more than 180,000 enrolled students.) We’re reimagining many aspects of what it means to teach a course, ranging from lecture delivery, to assignments, to strategies for engaging the online community of students.
While there are many resources for teachers to learn from when approaching online education, we’ve become aware that there is still a need for a central space for professors to share successful practices, ask each other questions, and showcase examples of what’s worked and what hasn’t in their online classes. Recently, we launched a course called Teaching a MOOC, open to all of the professors on the Coursera platform (we’ll be launching a free, public version soon). It functions like any of the courses we offer, including video lectures that offer guidelines for developing an online course for the first time, discussion forums and a gallery where professors can see examples from other classes. And that’s just the tip of the iceberg.
An educator who’s been teaching in a traditional classroom format faces many challenges and unknowns when creating an online course. The lecture creation process is different. The peer-graded homework is different. The process for managing your “classroom” is different. Even the copyright law requirements are different. Jeremy Adelman, a Princeton University professor who teaches A History of the World Since 1300, explains, “When you lecture into a recording box, it’s different from lecturing to students in person. I have a teaching style that relies on energy from students, and I had to figure out strategies that would transcend [that style] for my class on Coursera.”
Adelman discovered that in putting his course online, he became more focused on what students are experiencing, even though he wasn’t in direct contact with them. “When I lectured, I had to ask myself at all times ‘What is it that I want my students to learn?’ In the old-fashioned lecture hall I was an entertainer, more self-focused rather than teaching-focused, but I was not conscious of this dynamic until I put a course online for the first time,” he says. “For me, the lectures alone were a source of continuous learning and adaptation.”
Throughout the entire MOOC creation process, educators must constantly be student-focused, figuring out what is the most useful content for their students to experience next. With no admissions office, online students are vastly more diverse than the students in a typical college classroom. They vary in educational background, learning ability, and culture. Students are also at different points in their life, and range from teenagers to working professionals to retirees, and may have different learning goals. Educators have to make classes accessible without underestimating student ability.
Stanford professor Scott Klemmer was pleasantly surprised by his experience teaching a Human-Computer Interaction course. His class was the first to use peer grading (in fact, he worked with Daphne Koller and me to design Coursera’s current peer assessment system). After using self-assessment for six years in his class at Stanford, he thought there was “no way” that he could expect students to handle self- and peer-assessment online.
“But it worked amazingly well,” Klemmer explains. “When we surveyed students at the end of class, one of the things they rated highest, in terms of what taught them the most, was the act of assessing peers -- they found it extremely valuable. I put a huge amount of time into designing course materials based on rubrics and assessment techniques that I taught in my Stanford class on campus; I had no idea what it would mean to translate that into the online world.”
There has always been a tendency in distance education to focus on the physical barriers -- the distance between the professors and the students, and between the students themselves. Many people, including those in academia, believe there to be a broadcast quality to online lectures, with one person delivering lectures to students behind screens, where they can’t engage directly with the professor. They wonder, “If the professors don’t see their students, how can it be teaching?”
But through today's technological advancements, online courses are very much alive. They are part of an ecosystem that, if nurtured through community discussion forums, meetups, e-mails, and social media (like Google+ hangouts), can flourish and grow. This allows each class’s community to take on a life of its own, with a distinct culture that’s defined at least as much by the students as the instructor, and which even skillful instructors can only guide, but not control. Nearly every instructor that I’ve spoken to has been surprised by the deep desire of students to connect with each other as well as with the teaching staff and professor.
University of Michigan professor Eric S. Rabkin found his experience teaching Fantasy and Science Fiction: The Human Mind, Our Modern World incredibly enriching. “I had not anticipated the kindness and excitement I see in this large body of participants. Despite the potential for impersonality, I have received emails of thanks, of enthusiasm, of discovery. I have replied to some of those and some of my replies have been re-posted to the forums by the recipients. The community knows I care and, at first astonishingly to me, cares back. They care enough not only to spend time with each other but to share their experiences, some even through blogs of their own, with the wider world,” he says. “Amazingly, this feels somehow like a family. Not like a nuclear family, but like a suddenly discovered distant city brimming with eager cousins one had never known before.”
“I have been [teaching] the same way for years -- for decades and decades -- without being mindful of the changes in technology, the changes in our students. Online courses blow up the old conventions. But I think it will take us a while to figure out what works and what doesn’t work,” says Princeton professor Jeremy Adelman.
University of Pennsylvania professor Al Filreis, who teaches Modern & Contemporary American Poetry, says that teaching online has given him his “most extraordinary pedagogical experience” in 30 years of teaching. “The course is rigorous and fast-paced, and the material is difficult, but the spirit of curiosity and investigation among the students produced very good results,” he says. “Several eminent poetry critics joined the course to rate the quality of the students' critical writing and came away very impressed -- and surprised. We discovered that a qualitative, interactive humanities course can indeed work in the MOOC format."
With MOOCs, there is so much more potential for educators to go into each other’s classrooms and share resources with their peers. We’re seeing this happen more and more, especially when it comes to professors adapting online course structures from other professors.
“Online education means that I have shared more stories with fellow professors about teaching than I had in the eight years I’ve spent teaching on campus,” says Stanford professor Scott Klemmer.
We might not have an answer to the question “What defines a high-impact MOOC?” just yet, but universities and professors who have taken the plunge are constantly learning and growing from their experiences. And what we’re seeing emerge from the trenches is an exciting new breed of education.
Andrew Ng is a co-founder of Coursera and a computer science faculty member at Stanford University. He is also director of the Stanford Artificial Intelligence Lab, the main AI research organization at Stanford. In 2011, he led the development of Stanford University's main MOOC platform, and also taught an online machine learning class that was offered to over 100,000 students, leading to the founding of Coursera. Ng's goal is to give everyone in the world access to a high quality education, for free. His Twitter handle is @AndrewYNg.
One potentially positive result of the current fascination with online education is that universities and colleges may be forced to define and defend quality education. This analysis of what we value should help us to present to the public the importance of higher education in a high-tech world. However, the worst thing to do is to equate university education with its worst forms of instruction, which will in turn open the door for distance learning.
Perhaps the most destructive aspect of higher education is the use of large lecture classes. Not only does this type of learning environment tend to focus on students memorizing information for multiple-choice tests, but it also undermines any real distinction between in-person and online education. As one educational committee at the University of California at Los Angeles argued, we should just move most of our introductory courses online because they are already highly impersonal and ineffective. In opposition to this argument, we need to define and defend high-quality in-person classes.
Although some would argue that we should prepare students for the new high-tech world of self-instruction, we still need to teach students how to focus, concentrate, and sustain attention. In large classes, where the teacher often does not even know if the students are in attendance, it is hard to get students to stay on task, and many times, these potential learners are simply surfing the web or text messaging. In a small class, it is much harder for students to be invisible and to multitask, and while some may say that it is not the role of university educators to socialize these young adults, it is clear that the current generation of students does need some type of guidance in how they use technology and participate in their own education.
When people multitask, it often takes them twice as long to complete a task, and they do it half as well. For instance, my students tell me that when they try to write a paper, they are constantly text messaging and surfing the web: the result is that they spend hours writing their essays, and their writing is often disjointed and lacking in coherence. Since they are not focused on a single task, they do not notice that the ideas and sentences in their essays do not flow or cohere. Literally and figuratively, these multitasking students are only partially present when they are writing and thinking.
This lack of presence also shows up in the classroom. Students often act as if they are invisible in small classes because in their large lecture classes they are in many ways not present. Many students seem to lack any awareness of how they appear to others, and they are so used to sleeping in their large classes that they do not think about how their present absence appears to other students in a smaller class. Of course, it is much more difficult for students to be either literally or figuratively absent in a small class, but some students have been socialized by their large lecture classes to ignore the different expectations of more intimate learning environments.
As many higher education teachers have experienced, some students are able to participate in online discussion forums but have a hard time speaking in their small seminars. Once again, students may find it difficult being present in front of others and taking the risk of presenting their own ideas in the presence of others. Some distance educators argue that we can resolve this problem by just moving classes online, but do we really want to train a generation of students who do not know how to communicate to other people in a natural setting?
I worry that students are losing the ability to make eye contact and read body language, and that they are not being prepared to be effective citizens, workers, and family members. This disconnect from in-person communication also relates to a distance from the natural world, and a growing indifference to the destruction of our environment. In this alienation from nature and natural environments, people, also lose the ability to distinguish between true and false representations. Since on the web, everything is a virtual image or simulation generated by digital code, we live in a state of constant in-difference.
The web also creates the illusion that all information is available and accessible to anyone at any time. This common view represses the real disparities of access in our world and also undermines the need for educational experts. After all, if you can get all knowledge from Wikipedia or a Google search, why do you need teachers or even colleges? In response to this attitude, we should recenter higher education away from the learning of isolated facts and theories and concentrate on teaching students how to do things with information. In other words, students need to be taught by expert educators about how to access, analyze, criticize, synthesize, and communicate knowledge from multiple perspectives and disciplines.
While online educators argue that the traditional methods of instruction I have been discussing are outdated because they do not take into account the ways the new digital youth learn and think, I would counter that there is still a great need to teach students how to focus, concentrate, and discover how to make sense of the information that surrounds them. Too many online enthusiasts sell the new generation of students short by arguing that they can only learn if they are being entertained or if learning is an exciting, self-paced activity. Yet, we still need to teach people to concentrate and sustain their attention when things may get a little boring or difficult. Not all education should be fast-paced and visually stimulating; rather, people have to learn how to focus and stick with difficult and challenging tasks.
In this age of distracted living, where people crash their cars while text messaging and parents ignore their children while multitasking, do we really want a generation of students to take college classes on their laptops as they text, play games, and check their Facebook status updates? Isn’t there something to value about showing up to a class at the right time and the right place with the proper preparation and motivation? The idea of anytime, anyplace education defeats the purpose of having a community of scholars engaged in a shared learning experience. Furthermore, the stress on self-paced learning undermines the value of the social nature of education; the end result is that not only are students studying and bowling alone, but they are being seduced by a libertarian ideology that tells them that only the individual matters, and there is no such thing as a public space anymore.
When students have to be in a class and listen to their teacher and fellow learners, they are forced to turn off their cell phones and focus on a shared experience without the constant need to check their Facebook pages or latest texts. This experience represents one of the only reprieves young people will have from their constantly connected lives. In fact, students have told me that they would hate to take their classes online because they already feel addicted to their technologies. From their perspective, moving required classes online is like giving free crack to addicts and telling them that it will be good for them.
In order to help my students understand their dependence on technology and their alienation from nature and their own selves, I often bring them outside and tell them that they cannot do anything. This exercise often makes students very anxious, and when I later have students free-write about the experience, they write that they are not used to just doing nothing, and they felt an intense need to reach for their phones: this dependence on communication technologies will only be enhanced by moving to distance education.
Online education then not only adds to our culture of distracted multitasking, but it also often functions to undermine the values of university professors. In the rhetoric of student-centered education, the teacher is reduced to being a "guide on the side," and this downgraded position entails that there is no need to give this facilitator tenure or a stable position; instead, through peer grading and computer assisted assessment, the role of the teachers is being eliminated, and so it is little wonder that colleges operating only online employ most of their faculty off the tenure track.
These online colleges and universities have also separated teaching from research and have basically “unbundled” the traditional role of the faculty member. Like the undermining of newspapers by new media, we now have more sources of information but fewer people being paid to do the actual on the ground work of researching and reporting. Also as Wikipedia has turned every amateur into a potential expert, our society is losing the value of expert, credentialed educators. Although some see this as a democratization of instruction and research, it can also be read as a destruction of the academic business model and a move to make people work for free as traditional jobs are downsized and outsourced.
Many online programs proclaim that education is democratized by having students grade each other’s work, but isn’t this confusion between the roles of the student and the teachers just a way of rationalizing the elimination of the professor? Moreover, the use of computer programs to assess student learning is only possible if people think that education is solely about rote memorization and standardization. Yes we can use computers to grade students, but only if we think of students as standardized computer programs.
In contrast to massive open online courses, small, in-person classes often force students to encounter new and different perspectives, and the students cannot simply turn off the computer or switch the channel. Unfortunately, too many colleges and universities rely too much on large lecture courses that allow students to tune out during class and then teach themselves the material outside of class. While I am all for flipping the class and having students learn the course content outside of the classroom, we still need to use actual class time to help students to engage in research in a critical and creative fashion.
This push for small interactive classes will be resisted by the claim that it is simply too expensive to teach every student in this type of learning environment. However, my research shows that it is often more expensive to teach students in large lecture classes than in small seminars once you take into account the full cost of having graduate assistants teach the small sections attached to the large classes. Furthermore, the direct cost of hiring faculty to teach courses is often a fraction of the total cost of instruction, and massive savings could be generated if higher education institutions focused on their core missions and not the expensive areas of sponsored research, athletics, administration, and professional education. Being present at the university means that students and teachers are present in their classes and that education is the central presence of the institution.
(Illustration by Giulia Forsythe, licensed under Creative Commons Attribution-ShareAlike 2.5 agreement)