The future of testing for human growth hormone is shaping up to be a contentious issue in negotiations between the NFL and the players' union, with the league supporting blood-based testing and the ...

Precision medicine has touched every aspect of healthcare today, and—as is evident from President Obama’s State of the Union speech for 2015—is front of mind with the federal government, which ...

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 ...