The term 'TEST STANDARD' can be broken down into two crossword solutions: NORM (4 letters) and BENCHMARK (9 letters). A NORM is a standard or pattern that is accepted or expected, while a BENCHMARK is a point of reference used to measure or compare something. In the context of testing, a test standard is a set of criteria used to evaluate the performance of a test subject. It is often used to measure the accuracy and reliability of a test result.