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 ...

By: Yeeun Lee, Master’s Student at the Harvard T.H. Chan School of Public Health and Research Assistant at the Maternal Health Task Force Whether you know it or not, indicator validity matters to you.

"The aptitude test showed that I am suited for administrative work. So, I will give up on sales." In the middle of the ...