“The historical record, therefore, tells us that if we want to fix schools that are not now performing well on achievement tests, we might do well to work on the out-of-school factors that influence educational achievement, and not put all our efforts into trying to improve inside-of-the school factors, as the President and Secretary of Education continue to do. Our elected officials and numerous misguided individuals and corporations keep failing to interpret the extant data in a credible way.”
Since there is always a lot of chatter about what international tests scores mean, I invited David Berliner to share his views. Berliner is one of our nation’s pre-eminent scholars of education.
A few weeks ago you asked me a question about recent PISA test results and the role that is played by poverty in the scores of the USA and other countries. As I understand it PISA doesn’t compute the poverty-test score relationships in quite the same way we might in the USA, but the results they get are similar to what we get.
Investigations of the poverty-test score relationships in PISA 2012 (OECD, 2013) relied on two variables, each of which was a composite. First, they used a family social class measure that was supposed to capture the income and cultural resources of a family. They combined three factors to get one composite index of family…
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