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 ...

String theory, conceptualized more than 50 years ago as a framework to explain the formation of matter, remains elusive as a “provable” phenomenon. But a team of physicists has now taken a significant ...

The current theory about validity reflected in the Standards for Educational and Psychological Testing (AERA et al. in Standards for educational and psychological testing, American Psychological ...

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Senior Fellow at the Discovery Institute Jonathan Wells and Harvard Professor of Biology Stephen Palumbi debated the merits of evolutionary theory last night at the Kennedy School of Government’s ARCO ...