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Evidence

What Schools in One Place Can Learn from Schools Elsewhere

Robert E. Slavin | Posted 07.21.2016 | Education
Robert E. Slavin

In a recent blog, I responded to an article by Lisbeth Schorr and Srik Gopal about their concerns that the findings of randomized experiments will not...

Kumbaya

Robert E. Slavin | Posted 07.14.2016 | Education
Robert E. Slavin

When I was a kid, my brothers and I used to go to a YMCA camp on the Chesapeake Bay for a month every summer. My mother said that it was cheaper than...

When Courts Are Used As A Weapon Against The Innocent

Lorenzo Johnson | Posted 07.12.2016 | Crime
Lorenzo Johnson

A courtroom is a place where justice is supposed to be served. More and more, however, courts are becoming crime scenes -- here, innocent people are being kidnapped and held captive.

Remembering Al Shanker: Teachers and Professionalism

Robert E. Slavin | Posted 07.08.2016 | Education
Robert E. Slavin

Back in the day, I knew Al Shanker, the founder of the American Federation of Teachers. No one has ever been more of an advocate for teachers' rights ...

Good Nutrition, In Circles On The Road To Nowhere

David Katz, M.D. | Posted 07.07.2016 | Healthy Living
David Katz, M.D.

Given the almost dizzying frequency of diet-related headlines, the one true revelation about nutrition is superficially the least likely: there is no ...

Can Findings From One Set Of Schools Apply To Others?

Robert E. Slavin | Posted 06.30.2016 | Education
Robert E. Slavin

Discussions about when generalization is most likely to take place are healthy and welcome. But they are not academic. America's schools are not getting better fast enough, and achievement gaps by race and class remain unacceptable.

Joy is a Basic Skill in Secondary Reading

Robert E. Slavin | Posted 06.23.2016 | Education
Robert E. Slavin

I have a policy of not talking about studies I'm engaged in before they are done and available, but I have an observation to make that just won't wait...

Guns, Butter, and The Burden of Proof

David Katz, M.D. | Posted 06.22.2016 | Healthy Living
David Katz, M.D.

In all of biomedicine, spanning clinical care, medical research, and public health practice, we subscribe to the "precautionary principle." Basically,...

Does Research Based Reform Require Standardized Tests?

Robert E. Slavin | Posted 06.16.2016 | Education
Robert E. Slavin

Whenever I speak about evidence-based reform someone always asks this question: "Won't all of these randomized evaluations just reinforce teaching to ...

What If You Crossed a Sears Catalogue With Consumer Reports?

Robert E. Slavin | Posted 06.09.2016 | Education
Robert E. Slavin

When I was in high school, I had a summer job delivering Sears catalogues. What a great job. I got to drive all over the Maryland suburbs of Washing...

How Expertise Dies: Of Character, Credentials, and Crap

David Katz, M.D. | Posted 05.31.2016 | Healthy Living
David Katz, M.D.

Perhaps no topic better illustrates the enormous gap between knowledge and ignorance, and its profound importance to the ambient understanding of all ...

How Much Difference Does an Education Program Make?

Robert E. Slavin | Posted 05.26.2016 | Education
Robert E. Slavin

When you use Consumer Reports car repair ratings to choose a reliable car, you are doing something a lot like what evidence-based reform in education ...

Brown v. Board of Education at 62

Robert E. Slavin | Posted 05.19.2016 | Education
Robert E. Slavin

The problem is not new, but it has gone underground. After the wars over bussing in the 1970s and '80s, concern for school desegregation has been replaced with vague commitments to improve the schools attended by minority students.

What Education Policy Can Learn from Composting

Robert E. Slavin | Posted 05.12.2016 | Education
Robert E. Slavin

As anyone who reads this blog knows, I've been very excited about the potential of the evidence definitions in the recently passed Every Student Succe...

Mechanics of Metabolism Maintenance: Cars, Keys, and Karelia

David Katz, M.D. | Posted 05.10.2016 | Healthy Living
David Katz, M.D.

The cottage industry in revisionist dietary history -- and make no mistake, it is an industry -- would have us believe that absurd misapplications of advice can be blamed on the advice itself. The dots, and decades, connecting Keys to Karelia, however, paint a very different picture.

Diet Study Outcome? Work It; Flip It; Reverse It!

David Katz, M.D. | Posted 05.09.2016 | Healthy Living
David Katz, M.D.

Conclusions about diet study outcomes that are this precarious, that can be worked just a bit, and flipped -- are utterly useless. They are propaganda.

Good News! Jim Shelton Joins Chan Zuckerberg

Robert E. Slavin | Posted 05.05.2016 | Education
Robert E. Slavin

In all of education, there is perhaps no one who better understands how evidence and innovation can transform policy to benefit disadvantaged kids tha...

The Double Vision of Blind Faith

Jane Simon, M.D. | Posted 04.29.2016 | Healthy Living
Jane Simon, M.D.

Faith is blind when we believe in something unseen without any or sufficient evidence. Underlying many of our actions is our belief that it will lead ...

Nutrient Supplements in the Land of the Law of Unintended Consequences

David Katz, M.D. | Posted 04.28.2016 | Healthy Living
David Katz, M.D.

Many supplements that don't work at all are marketed routinely, and some, very successfully. I have always maintained that this was a domain of both baby, and bathwater -- and that differentiating is essential.

Seeking Jewels, Not Boulders: Learning to Value Small, Well-Justified Effect Sizes

Robert E. Slavin | Posted 04.28.2016 | Education
Robert E. Slavin

Photo from the Smithsonian Institution http://www.si.edu/Encyclopedia_SI/nmnh/hope.htm One of the most popular exhibits in the Smithsonian Museum of ...

The Wonderful Reputation of Educational Research

Robert E. Slavin | Posted 04.21.2016 | Education
Robert E. Slavin

Back in 1993, Carl Kaestle memorably wrote about the "awful reputation of educational research." At the time, he was right. But that was 23 years ag...

The Movement to Transform Data Into Action in US Cities

Michele Jolin | Posted 04.19.2016 | Impact
Michele Jolin

From crime reduction to eliminating blighted properties, cities across the country are using data to improve services, meaningfully engage residents, and make better decisions.

Musical Diets: You Can Dance if You Want to...

David Katz, M.D. | Posted 04.18.2016 | Healthy Living
David Katz, M.D.

We are no strangers to a dizzying array of distorted headlines about diet. But the last couple of weeks took it to a whole new level.

Vegetables, Vegetable Oils and Dairy Fat? Please Don't Eat the Headlines!

David Katz, M.D. | Posted 04.18.2016 | Healthy Living
David Katz, M.D.

Conventional wisdom is made to be challenged -- that, in fact, is what science is for. Science never rests, and those of us who profess devotion to it are obligated to move with it. But spitting convention in the eye is probably another matter.

Money and Evidence

Robert E. Slavin | Posted 04.14.2016 | Education
Robert E. Slavin

Many years ago, I spent a few days testifying in a funding equity case in Alabama. At the end of my testimony, the main lawyer for the plaintiffs drov...