The first reason for caring about how sensitive our standardized tests are to instruction is moral. If the tests we use to judge the effects of instruction on student learning are not sensitive to ...

In my previous blog post, I noted that reliability and validity are two essential properties of psychological measurement. Measures of intelligence, personality, vocational interests, and so forth ...

The popular Myers-Briggs personality test is a joke, writes, external Vox's Joseph Stromberg. While it might be a fun way to pass the time, he says, it has about as much insight and validity as a ...