In the No Child Left Behind Act (2001), the phrase “scientifically based research” is mentioned 110 times. Not a typo. Evidence-based practice, a variation of the NCLB phrase, and data-driven decision-making are popular among policymakers, administrators, and researchers. What is common to all of these phrases is the idea that systematic inquiry into a question or problem–either through evaluation or research (or both) will yield solid data useful to educators in making and implementing policy.
Yet the historical record is rich in evidence that research and evaluation findings have played a subordinate role in making educational policy. Often, policy choices were (and are) political decisions. This is not a criticism of politics or even ideology in schooling but a recognition that tax-supported public schools are political institutions where stakeholders with competing values vie for resources.
There was no research or evaluation, for example, that found establishing public schools in the…
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