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A/B testing is a trap because it insulates us from A/J testing. A/B testing is an asymptotic stroll toward a local maximum.

And busyness is a trap because it allows us to believe that we’ve actually created value.

"I think it's a good idea to use Skype (10) for learning about other states and countries.

Economists are trying to measure a home computer’s educational impact on schoolchildren in low-income households.

little or no educational benefit is found. Worse, computers seem to have further separated children in low-income households, whose test scores often decline after the machine arrives, from their more privileged counterparts.

few children whose families obtained computers said they used the machines for homework. What they were used for — daily — was playing games.

Employers and business leaders need people who can think for themselves -- who can take initiative and be the solution to problems. They need people who can build trust and get along with others, and solve complex challenges in teams without much supervision.

"Partnerships between schools and parents in educating the whole child, which includes developing both the character strength and the competencies required to really succeed in the 21st Century."

A.B. Combs Elementary School in Raleigh, North Carolina

Government had to be limited both because it was dangerous if it got too powerful and because it was not supposed to provide for the highest things in life.

In Progressivism, the domestic policy of government had two main concerns. First, government must protect the poor and other victims of capitalism through redistribution of resources, anti-trust laws, government control over the details of commerce and production: i.e., dictating at what prices things must be sold, methods of manufacture, government participation in the banking system, and so on. Second, government must become involved in the "spiritual" development of its citizens -- not, of course, through promotion of religion, but through protecting the environment ("conservation"), education (understood as education to personal creativity), and spiritual uplift through subsidy and promotion of the arts and culture.

Progressives therefore embraced a much more active and indeed imperialistic foreign policy than the Founders did.

There is an oversupply of PhDs. Although a doctorate is designed as training for a job in academia, the number of PhD positions is unrelated to the number of job openings. Meanwhile, business leaders complain about shortages of high-level skills, suggesting PhDs are not teaching the right things. The fiercest critics compare research doctorates to Ponzi or pyramid schemes.

A graduate assistant at Yale might earn $20,000 a year for nine months of teaching. The average pay of full professors in America was $109,000 in 2009

America produced more than 100,000 doctoral degrees between 2005 and 2009. In the same period there were just 16,000 new professorships.

But, in the past few generations, the imagery and rhetoric of academic marketing have cultivated a belief that college will be, if not decadent, at least primarily recreational: social activities, sporting events, and travel.

Increasingly, students are buying an "experience" instead of earning an education, and, in the competition to attract customers, that's what's colleges are selling.

a growing percentage of students are arriving at college without ever having written a research paper, read a novel, or taken an essay examination. And those students do not perceive that they have missed something in their education; after all, they have top grades. In that context, the demands of professors for different kinds of work can seem bewildering and unreasonable, and students naturally gravitate to courses with more-familiar expectations.

Richard Ludlow started the nonprofit Academic Earth two years ago after M.I.T.'s OpenCourseWare helped him pass linear algebra as a Yale undergraduate. His site offers the courses of 10 elite universities — 130 full courses and more than 3,500 video lectures. Viewers can turn the tables on professors and grade courses. Other guidance includes "Editor's Picks" and "Playlists," lectures selected around a theme like "First Day of Freshman Year" and "You Are What You Eat."

Connexions, started at Rice University 10 years ago, debundles education for the D.I.Y. learner. Anyone can write a "module," the term for instructional material that can be a single sentence or 1,000 pages. Connexions hosts more than 16,000 modules that make up almost 1,000 "collections." A collection might be, say, an algebra textbook or statistics course.

Daniel Colman is a curator of sorts. He sifts through the vast amount of free courses, movies and books offered online to find what he considers the very best in content and production value. Then he features them on Open Culture, the Web site he founded in 2006. It's a task in keeping with his mission as associate dean and director of Stanford's continuing education program.

Early this year, Mr. Chetty and five other researchers set out to fill this void. They examined the life paths of almost 12,000 children who had been part of a well-known education experiment in Tennessee in the 1980s. The children are now about 30, well started on their adult lives.

Just as in other studies, the Tennessee experiment found that some teachers were able to help students learn vastly more than other teachers. And just as in other studies, the effect largely disappeared by junior high, based on test scores. Yet when Mr. Chetty and his colleagues took another look at the students in adulthood, they discovered that the legacy of kindergarten had re-emerged.

Three Elements of Great Communication, According to Aristotle by Scott Edinger  |   9:00 AM January 17, 2013 Comments (78)         In my nearly 20 years of work in organization development, I've never heard anyone say that a leader communicated too much or too well. On the contrary, the most common improvement suggestion I've seen offered up on the thousands of 360 evaluations I've reviewed over the years is that it would be better if the subject in question learned to communicate more effectively. What makes someone a good communicator? There's no mystery here, not since Aristotle identified the three critical elements — ethos, pathos, and logos. — thousands of years ago. Ethos is essentially your credibility — that is, the reason people should believe what you're saying. In writing this blog I made an effort to demonstrate my ethos in the introduction, and here I'll just add that I have a degree in communication studies (emphasis in rhetoric for those who want the details) for good measure. In some cases, ethos comes merely from your rank within an organization. More commonly, though, today's leaders build ethos most