In fact, the gold standard of testing for allergies and sensitivities is a food challenge. (mindbodygreen.com)
There have been ten analyses of random - assignment voucher program experiments (random - assignment being the gold - standard of testing treatment effects). (thinktankwest.com)
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)