Health Checks .

As it progresses, it's advantageous to periodically step in and examine a test to ensure that each item, each content domain, and the test overall are doing what they’re meant to do reliably.

Our Health Check reports show the statistical properties of test items and may identify any flaws. For example, a Health Check may show the difficulty of an item or the degree to which a test distinguishes between more competent and less competent candidates.