The new evaluations are based on a combination of teacher practice and student achievement, which includes the controversial use of standardized test scores. (b4njkids.org)
Using any standardized achievement test for a purpose for which it was not designed violates nationally - accepted standards of the testing profession, of the state of Illinois and the U. S. Department of Education, and the guidelines of the test makers themselves (see Attachment 2 — PURE Fact Sheet: «Testing professionals oppose use of standardized test scores as sole or primary measures in high - stakes decisions»). (pureparents.org)
Use of standardized test scores helps address what statisticians call reversion to the mean. (educationnext.org)