Friday, April 22, 2022

Research Reveals Long-Term Harm

 From Psychology Today:

If there was ever a time to attend seriously to research concerning effects of early childhood education, this is it. If President Biden’s plan for universal state-run preschool for 3- and 4-year-olds is approved, the results could be disastrous. I have previously summarized several well-controlled studies showing that academic training in preschool or in kindergarten, while improving test scores in the short term, causes long-term harm (here). One of those, which bears reviewing here before I move on to the recent study in Tennessee, was a government-sponsored study conducted in Germany in the 1970s (described by Darling-Hammond & Snyder, 1992).

The German government was trying to decide whether it would be a good idea, or not, to start teaching academic skills in kindergarten rather than maintain kindergarten as purely a place for play, stories, singing, and the like, as it had always been before. So, they conducted a controlled experiment involving 100 kindergarten classrooms. They introduced some academic training into 50 of them and not into the other 50.

The graduates of academic kindergartens performed better on academic tests in first grade than the others, but the difference subsequently faded, and by fourth grade they were performing worse than the others on every measure in the study. Specifically, they scored more poorly on tests of reading and arithmetic and were less well-adjusted socially and emotionally than the controls.

The Germans, unlike we Americans, paid attention to the science. They followed the data and abandoned plans for academic training in kindergarten. They have stuck with that decision ever since. For one parent’s comparison of German kindergartens to US kindergartens, see here. Today we have much more evidence of long-term harm of early academic training than the Germans had in the 1970s, yet we persist in such training in almost every public kindergarten in the country. Worse, we now even teach academics in many if not most preschools! As a people, we are pretty good at putting our heads in the sand to avoid looking at data that run counter to our prejudices.

Now I turn to newly reported findings from the first well-controlled long-term study that has ever been conducted of a state-wide publicly supported preschool program in the United States—the Tennessee Pre-K Program (Durkin et al., 2022). If this study doesn’t put the nail in the coffin of academic training to little children, it’s hard to imagine what will. (Read more.)

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