<p>^They aren’t. The difficulty varies a little from one test to another. It is the table that converts raw scores to scaled scores (aka “the curve”) that makes the test standardized (along with same math content on each test, etc).</p>
<p>^They aren’t. The difficulty varies a little from one test to another. It is the table that converts raw scores to scaled scores (aka “the curve”) that makes the test standardized (along with same math content on each test, etc).</p>