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Evaluating the Khan Academy

Michael Trucano's picture
this is fascinating, but wouldn't it be better online?
this is fascinating, but wouldn't it be better online?
Over the past five years, there has perhaps been no educational technology initiative that has been more celebrated around the world than the Khan Academy. Born of efforts by one man to provide tutoring help for his niece at a distance, in 2006 the Khan Academy became an NGO providing short video tutorials on YouTube for students. It is now a multi-million dollar non-profit enterprise, reaching over ten million students a month in both after-school and in-school settings around the world with a combination of offerings, including over 100,000 exercise problems, over 5,000 short videos on YouTube, and an online 'personalized learning dashboard'. Large scale efforts to translate Khan Academy into scores of languages are underway, with over 1000 learning items currently available in eleven languages (including French, Xhosa, Bangla, Turkish, Urdu, Portuguese, Arabic and Spanish). Founder Sal Khan's related TED video ("Let's use video to reinvent education") has been viewed over three million times, and the Khan Academy has been the leading example cited in support of a movement to 'flip the classroom', with video lectures viewed at home while teachers assist students doing their 'homework' in class.

As efforts to distribute low cost computing devices and connectivity to schools pick up steam in developing countries around the world, many ministries of education are systematically thinking about the large scale use of digital educational content for the first time. Given that many countries have already spent, are spending, or soon plan to spend large amounts of money on computer hardware, they are often less willing or able to consider large scale purchases of digital learning materials -- at least until they get a better handle on what works, what doesn't and what they really need. In some cases this phenomenon is consistent with one of the ten 'worst practices' in ICT use in education which have been previously discussed on the EduTech blog: "Think about educational content only after you have rolled out your hardware". Whether or not considerations of digital learning materials are happening 'too early' or 'too late', it is of course encouraging that they are now happening within many ministries of education.

As arguably the world's highest profile digital educational content offering in the world -- and free at that! -- with materials in scores of languages, it is perhaps not surprising that many ministries of education are proposing to use Khan Academy content in their schools.

The promise and potential for using materials from Khan Academy (and other groups as well) is often pretty clear. Less is known about the actual practice of using digital educational content in schools in middle and low income countries in systematic ways.
 
What do we know about how Khan Academy is actually being used in practice, and how might this knowledge be useful or relevant to educational policymakers in developing countries?

Two new rigorous evaluations of technology use in education

Michael Trucano's picture
Look, right there, there it is: Impact! (I think ...)
Look, right there, there it is: Impact! (I think ...)

Last week saw a flurry of news reports in response to a single blog post about the well known One Laptop Per Child project. It's dead, proclaimed one news report as a result; it's not dead yet, countered another. Recalling Mark Twain's famous quotation, Wired chimed in to announce that Reports of One Laptop Per Child's death have been greatly exaggerated.

Whatever the status and future of the iconic initiative that has helped bring a few million green and white laptops to students in places like Uruguay, Peru and Rwanda, it is hard to argue that, ten years ago, when the idea was thrown out there, you heard a lot of people asking, ‘Why would you do such a thing?’ Ten years on, however, the idea of providing low cost computing devices like laptops and tablets to students is now (for better and/or for worse, depending on your perspective) part of the mainstream conversation in countries all around the world.

What do we know about the impact and results of initiatives
to provide computing devices to students
in middle and low income countries around the world?

Promoting literacy with mobile phones in rural Papua New Guinea

Michael Trucano's picture
hey, my ears are ringing -- might that be the Ministry of Education calling with today's lesson?
hey, my ears are ringing --
might that be the Ministry of Education
calling with today's lesson?

Last year I spent some time in Papua New Guinea (or PNG, as it is often called), where the World Bank is supporting a number of development projects, and has activities in both the ICT and education sectors. For reasons historical (PNG became an independent nation only in 1975, breaking off from Australia), economic (Australia's is by far PNG's largest export market) and geographical (the PNG capital, Port Moresby, lies about 500 miles from Cairns, across the Coral Sea), Australia provides a large amount of support to the education sector in Papua New Guinea, and I was particularly interested in learning lessons from the experiences of AusAid, the (now former) Australian donor agency.

For those who haven't been there: PNG is a truly fascinating place. It is technically a middle income country because of its great mineral wealth but, according to the Australian government, "Despite positive economic growth rates in recent years, PNG’s social indicators are among the worst in the Asia Pacific. Approximately 85 per cent of PNG’s mainly rural population is poor and an estimated 18 per cent of people are extremely poor. Many lack access to basic services or transport. Poverty, unemployment and poor governance contribute to serious law and order problems."

Among other things, PNG faces vexing (and in some instances, rather unique) circumstances related to remoteness (overland travel is often difficult and communities can be very isolated from each other as a result; air travel is often the only way to get form one place to another: with a landmass approximately that of California, PNG has 562 airports -- more, for example, than China, India or the Philippines!) and language (PNG is considered the most linguistically diverse country in the world, with over 800 (!) languages spoken). The PNG education system faces a wide range of challenges as a result. PNG ranks only 156th on the Human Development Index and has a literacy rate of less than 60%.  As an overview from the Australian government notes,

"These include poor access to schools, low student retention rates and issues in the quality of education. It is often hard for children to go to school, particularly in the rural areas, because of distance from villages to schools, lack of transport, and cost of school fees. There are not enough schools or classrooms to take in all school-aged children, and often the standard of school buildings is very poor. For those children who do go to school, retention rates are low. Teacher quality and lack of required teaching and educational materials are ongoing issues."

[For those who are interested, here is some general background on PNG from the World Bank, and from the part of the Australian Department of Foreign Affairs and Trade that used to be known as AusAid, a short report about World Bank activities to support education in PNG from last year and an overview of the World Bank education project called READ PNG.]

If you believe that innovation often comes about in response to tackling great challenges, sometimes in response to scarcities of various sorts, Papua New Guinea is perhaps one place to put that belief to the test.
 

Given the many great challenges facing PNG's education sector,
its low current capacity to meet these challenges,
and the fact that 'business as usual' is not working,
while at the same time mobile phone use has been growing rapidly across society,
might ICTs, and specifically mobile phones,
offer new opportunities to help meet many long-standing, 'conventional' needs
in perhaps 'unconventional' ways?

A small research project called SMS Story has been exploring answers to this question.

Videogames and Learning

Michael Trucano's picture
playing to learn?
playing to learn?

Not a week goes by where I don't receive an unsolicited email from a company touting the benefits of its new 'educational videogame'. Indeed, just last week I opened my inbox to find two separate emails proclaiming how two different mobile gaming apps were destined to "transform learning!!!" Now, in a lot of the cases, I must confess that I am not always sure why something is an 'educational game', and not just a 'game' (although if I am in a difficult mood, I might offer that in too many instances an 'educational game' is 'a game that really isn't much fun'). That said, there is no denying that videogames are big business around the world. So -- increasingly -- is education. Even most people who fear that potential negative effects of some (or even most) videogames on young people would, at the same time, acknowledge the promise and potential for videogames to offer enriching learning experiences. The history of the introduction of educational technologies is in many ways long on promise and potential, however, and short on actual evidence of how they impact learning in tangible and fundamental ways.

Much is made of the potential for ICTs to be used to promote more personalized learning experiences through the introduction of various types of ICT-enabled assessment systems. For me, it has long seemed like the most powerful real-time learning assessment engines have been found in videogames, where actions (or inactions) are often met with near instantaneous responses, to which the player is then challenged to respond in turn. This feedback loop -- taking an action, being presented with information as a result, having to synthesize and analyze this information and doing something as a result -- might meet some people's definition of 'learning'. A good videogame engages its users so strongly that they are willing to fail, and fail, and fail again, until they learn enough from this failure that they can proceed with the game. Even where educational software is not explicitly labeled as a 'game', designers are increasingly introducing game-like elements (badges, achievement bonuses, scoring systems) as a way to promote user (learner? player?) engagement as part of a process known as 'gamification'.

The use of videogames for educational purposes, or at least in educational contexts, is far from an OECD or U.S. phenomenon. Whether I am visiting a school computer lab after hours in central Russia, an Internet cafe filled with students in Indonesia or standing behind some schoolgirls carrying phones between classes in Tanzania, 'educational' videogames seem to be nearly everywhere. Past posts on the EduTech blog have profiled things like the use of video games on mobile phones to promote literacy in rural India and EVOKE, an online game for students across Africa which the World Bank helped sponsor a few years ago. When I speak with young software entrepreneurs in Nairobi or Accra or Manila, they often talk excitedly about the latest educational game they are developing (for markets local and distant).

Do educational games 'work'?
Are they 'effective'?
And if so: How can they be used in schools?

Questions such as these are of increasing interest to scholars. Given both their potential for learning, and how aggressively videogames are being marketed to many education systems, they should be of increasing interest to educational policymakers as well. Some recent research brings us a little closer to a time when we can answer some of them.

Getting Evaluation Right: A Five Point Plan

Duncan Green's picture

Final (for now) evaluationtastic installment on Oxfam’s attempts to do public warts-and-all evaluations of randomly selected projects. This commentary comes from Dr Jyotsna Puri, Deputy Executive Director and Head of Evaluation of the International Initiative for Impact Evaluation (3ie)

Oxfam’s emphasis on quality evaluations is a step in the right direction. Implementing agencies rarely make an impassioned plea for evidence and rigor in their evidence collection, and worse, they hardly ever publish negative evaluations.  The internal wrangling and pressure to not publish these must have been so high:

  • ‘What will our donors say? How will we justify poor results to our funders and contributors?’
  • ‘It’s suicidal. Our competitors will flaunt these results and donors will flee.’
  • ‘Why must we put these online and why ‘traffic light’ them? Why not just publish the reports, let people wade through them and take away their own messages?’
  • ‘Our field managers will get upset, angry and discouraged when they read these.’
  • ‘These field managers on the ground are our colleagues. We can’t criticize them publicly… where’s the team spirit?’
  • ‘There are so many nuances on the ground. Detractors will mis-use these scores and ignore these ground realities.’

The zeitgeist may indeed be transparency, but few organizations are actually doing it.

ICT and rural education in China

Michael Trucano's picture

answers on how best to proceed may come in all shapes and sizesLast year on this blog, I asked a few questions (eLearning, Africa and ... China?) as a result of my participation in a related event in Dar Es Salaam where lots of my African colleagues were ‘talking about China’, but where few Chinese (researchers, practitioners, firms, officials) were present. This year's eLearning Africa event in Benin, in contrast, featured for the first time a delegation of researchers from China, a visit organized by the International Research and Training Centre for Rural Education (INRULED), a UNESCO research center headquartered at Beijing Normal University (with additional outposts at Baodin, Nanjing and Gansu). Hopefully this is just the beginning of a positive trend to open up access to knowledge about what is working (and isn’t working) related to ICT use in education in places in rural China that might more resemble certain situations and contexts in many developing countries than those drawn from experiences in, for example, Boston or Singapore (or from Shanghai and Beijing, for that matter). Establishing working level linkages between researchers and practitioners (and affiliated institutions) in China and Africa, can be vital to helping encourage such knowledge exchanges.

Let them eat laptops?*

Michael Trucano's picture

in my hand I have a very precious gift for youAs a result of reading the recent IDB study on the impact of the One Laptop Per Child project in Peru, my World Bank colleague Berk Ozler recently published a great post on the World Bank's Development Impact blog asking "One Laptop Per Child is not improving reading or math. But, are we learning enough from these evaluations?

Drawing insights from his readings of a few evaluations of technology use (one in Nepal [PDF] and one in Romania) he notes that, at quick glance, some large scale implementations of educational technologies are, for lack of a more technical term, rather a 'mess':

"The reason I call this a mess is because I am not sure (a) how the governments (and the organizations that help them) purchased a whole lot of these laptops to begin with and (b) why their evaluations have not been designed differently – to learn as much as we can from them on the potential of particular technologies in building human capital."

Three members of the team at IDB that led the OLPC Peru evaluation have responded ("One Laptop per Child revisited") in part to question (b) in the portion of Berk's informative and engaging post excerpted above.  I thought I'd try to try to help address question (a).

First let me say: I have no firsthand knowledge of the background to the OLPC Peru project specifically, nor of the motivations of various key actors instrumental in helping to decide to implement the program there as it was implemented, beyond what I have read about it online. (There is quite a lot written about this on the web; I won't attempt to summarize the many vibrant commentaries on this subject, but, for those who speak Spanish or who are handy with online translation tools, some time with your favorite search engine should unearth some related facts and a lot of opinions -- which I don't feel well-placed to evaluate in their specifics.) I have never worked in Peru, and have had only informal contact with some of the key people working on the project there.  The World Bank, while maintaining a regular dialogue with the Ministry of Education in Peru, was not to my knowledge involved in the OLPC project there in any substantive way. The World Bank itself is helping to evaluate a small OLPC pilot in Sri Lanka; a draft set of findings from that research is currently circulating and hopefully it will be released in the not too distant future.

That said, I *have* been involved in various capacities with *lots* of other large scale initiatives in other countries where lots of computers were purchased for use in schools and/or by students and/or teachers, and so I do feel I can offer some general comments based on this experience, in case it might of interest to anyone.

Ten things about computer use in schools that you don't want to hear (but I'll say them anyway)

Michael Trucano's picture

I don't want to hear thisAt an event last year in Uruguay for policymakers from around the world, a few experts who have worked in the field of technology use in education for a long time commented that there was, in their opinion and in contrast to their experiences even a few years ago, a surprising amount of consensus among the people gathered together on what was really important, what wasn't, and on ways to proceed (and not to proceed).  Over the past two years, I have increasingly made the same comment to myself when involved in similar discussions in other parts of the world.  At one level, this has been a welcome development.  People who work with the use of ICTs in education tend to be a highly connected bunch, and the diffusion of better (cheaper, faster) connectivity has helped to ensure that 'good practices and ideas' are shared with greater velocity than perhaps ever before.  Even some groups and people associated with the 'give kids computers, expect magic to happen' philosophy appear to have had some of their more extreme views tempered in recent years by the reality of actually trying to put this philosophy into practice.

That said, the fact that "everyone agrees about most everything" isn't always such a good thing.  Divergent opinions and voices are important, if only to help us reconsider why we believe what we believe. (They are also important because they might actually be right, of course, and all of the rest of us wrong, but that's another matter!) Even where there is an emerging consensus among leading thinkers and practitioners about what is critically important, this doesn't mean that what is actually being done reflects this consensus -- or indeed, that this consensus 'expert' opinion is relevant in all contexts.

Evaluating One Laptop Per Child (OLPC) in Peru

Michael Trucano's picture

learning learningFew would argue against the notion that the One Laptop Per Child project (OLPC, originally referred to by many as the '$100 laptop project') has been the most high profile educational technology initiative for developing countries over the past half-decade or so. It has garnered more media attention, and incited more passions (pro and con), than any other program of its kind. What was 'new' when OLPC was announced back in 2005 has become part of mainstream discussions in many places today (although it is perhaps interesting to note that, to some extent, the media attention around the Khan Academy is crowding into the space in the popular consciousness that OLPC used to occupy), and debates around its model have animated policymakers, educators, academics, and the general public in way that perhaps no other educational technology initiative has ever done. Given that there is no shortage of places to find information and debate about OLPC, this blog has discussed it only a few times, usually in the context of talking about Plan Ceibal in Uruguay, where the small green and white OLPC XO laptops are potent symbols of the ambitious program that has made that small South American country a destination for many around the world seeking insight into how to roll out so-called 1-to-1 computing initiatives in schools very quickly, and to see what the results of such ambition might be.

The largest OLPC program to date, however, has not been in Uruguay, but rather in Peru, and many OLPC supporters have argued that the true test of the OLPC approach is perhaps best studied there, given its greater fealty to the underlying pedagogical philosophies at the heart of OLPC and its focus on rural, less advantaged communities. Close to a million laptops are meant to have been distributed there to students to date (902,000 is the commonly reported figure, although I am not sure if this includes the tens of thousands of laptops that were destroyed in the recent fire at a Ministry of Education warehouse). What do we know about the impact of this ambitious program?

Scaling Social Impact in the North East with Ashoka Fellows

Parvathi Menon's picture

In Calcutta a few days before Christmas, December 2011, Ashoka India brought together Fellows from the North and North East around a thematic workshop with Innovation Alchemy. The theme was ‘Scale’. The issue of increasing the IMPACT of the work that the Fellows are implementing through their diverse initiatives.

The two days of engagement was a quick immersion into the complex Development world of the North East. The region is perceptibly isolated from the rest of the country, politically, geographically, economically... A brief research of the core challenges in this part of the country points to porous borders, leading to migration, infiltration and huge demand on a weak economy. High degree of ecological instability and recurring natural disasters repeatedly impacting livelihoods, increasing displacement and further reducing opportunities. Adding to the complexity is a feeling that ‘the Central Government does not care about the North East‘.

Combine all this – human rights struggles, cross-border violations, weak economy, limited opportunity and lack of any strong progressive policy frameworks – and what you get is a situation ripe for human conflict.


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