The
Khan Academy is an organization on a mission. It is a not-for-profit
organisation with the goal of changing education for the better by providing a
free world-class education to anyone anywhere.
All
of the site's resources are available to anyone. It doesn't matter if you are a
student, teacher, home-schooler, principal, adult returning to the classroom
after 20 years, or a friendly alien just trying to get a leg up in earthly
biology. The Khan Academy's materials and resources are available to you
completely free of charge.
Khan Academy is an educational
website that, as its tagline puts it, aims to let anyone “learn almost
anything—for free.” Students, or anyone interested enough to surf by, can watch
some 2,400 videos in which the site’s founder, Salman Khan, chattily discusses
principles of math, science, and economics (with a smattering of social science
topics thrown in). The videos are decidedly lo-fi, even crude: Generally seven
to 14 minutes long, they consist of a voice-over by Khan describing a
mathematical concept or explaining how to solve a problem while his
hand-scribbled formulas and diagrams appear onscreen. Like the Wizard of Oz,
Khan never steps from behind the curtain to appear in a video himself; it’s
just Khan’s voice and some scrawly equations. In addition to these videos, the
website offers software that generates practice problems and rewards good
performance with videogame-like badges—for answering a “streak” of questions
correctly, say, or mastering a series of algebra levels. (Carpenter has
acquired 52 Earth badges in math, which require hours of toil to attain and at
which his classmates gaze with envy and awe.) Khan’s videos are anything but sophisticated. He
recorded many of them in a closet at home, his voice sounding muffled on his
$25 Logitech headset. But some of his fans believe that Khan has stumbled onto
the secret to solving education’s middle-of-the-class mediocrity. Most notable
among them is Bill Gates, whose foundation has invested $1.5 million in Khan’s
site. “I’d been looking for something like this—it’s so important,” Gates says.
Khan’s approach, he argues, shows that education can truly be customized, with
each student getting individualized help when needed.
The site has become extremely popular. More
than 2 million users watch his videos every month, and all told they answer
about 15 questions per second. Khan is clearly helping students master difficult
and vital subjects. And he’s not alone: From TED talks to iTunes U to Bill
Hammack the Engineer Guy, new online educational tools are bringing the ethos
of Silicon Valley to education
Teachers have long known that one-on-one tutoring is effective, but in 1984, the education
scholar Benjamin Bloom figured out precisely how
effective it is. He conducted a metastudy of research on students who’d been
pulled out of class and given individual instruction. What Bloom found is that
students given one-on-one attention reliably perform two standard deviations
better than their peers who stay in a regular classroom. How much of an
improvement is that? Enough that a student in the middle of the pack will vault
into the 98th percentile. Bloom’s findings caused a stir in education, but
ultimately they didn’t significantly change the basic structure of the
classroom. One-on-one instruction, after all, is insanely expensive. But this has
been made possible by Khan Academy
- A video library with over 3200 videos in various topic areas and over 165 million lessons delivered.
- Automated exercises with continuous assessment; there are 320 practice exercises, mainly in math.
- Peer-to-peer tutoring based on objective data collected by the system, a process that will be projected in the future.
I think Khan academy is a good example of training the human resources
around the world. This is the best example of implementation of an idea for
betterment of the society.
This is a perfect example of :
' Be the change you want to see in the world'
This is a perfect example of :
' Be the change you want to see in the world'
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