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 ...

Are the increases due to a huge jump in student learning, or are they due to a change in test content, flaws in equating, or ...

The feasibility, validity and reliability of the Time Trade-Off (TTO) and Visual Analogue Scale (VAS) methods in obtaining preference values for health states were compared in a random sample of the ...

About a year ago, the US Food and Drug Administration (FDA) granted premarket approval to AvertD (SOLVD Health), the first genetic test to assess an individual’s risk of developing opioid use disorder ...

When you perform business online, you run the risk of coming across fake websites that may steal your money, harm your computer and even steal your identity. Testing a website against some safety ...