New Mathematica TFA Study is Irrational Exuberance

Dr Heilig’s initial critique of the TFA/Mathematica study. He makes talking about numbers fun(ish)

Cloaking Inequity

Teach For America (TFA) has sought to direct attention to a new study recently released by Mathematica.  A blogger at the Washington Post even argued that my prior critiques of TFA were “not true anymore.” (See all of my prior posts on TFA here.) Is that the case? Next week I will start an entire series on the Mathematica TFA study, but for now, because there is an avalanche of email and media inquiries about the study, I will discuss several important issues that I have noted in the study.

1) Mathematica TFA study does not say much about TFA writ large

The sample is large and covers an adequate number of students, schools and states. However, there are clearly some issues in the TFA sample that calls into question whether it really represents TFA and the profession more broadly.

The sample only contains secondary math teachers. However…

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