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A 1-stop resource for "Basic Concept" related developmental norms with direct comparison of benchmarks substantiated by Boehm and Bracken's research, along with those of the benchmarks determined through Linguisystems. Instead of switching between multiple documents, all the information is organized to fit on one page. This is especially helpful when sharing benchmark data with parents and other professionals. I hope you find it useful!

Basic Concepts Developmental Norms

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