What causes so much of the confusion surrounding age- or grade-equivalent scores? What are your recommendations for schools, parents, teachers, and counselors who must try to make meaning out of these data?

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What causes so much of the confusion surrounding age- or grade-equivalent scores?  What are your recommendations for schools, parents, teachers, and counselors who must try to make meaning out of these data? ​

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The Answer of What causes so much of the confusion surrounding age- or grade-equivalent scores?  What are your recommendations for schools, parents, teachers, and counselors who must try to make meaning out of these data? ​

What Causes So Much of the Confusion Surrounding Age- or Grade-Equivalent