There is a distinction that one learns about on the first day of a course in psychological research methods. It is the difference between internal and external validity. Internal validity is ...

The Massachusetts state Education Department last year commissioned Mathematica Policy Research to do a validity study comparing the Common Core test known as PARCC, created by a federally funded ...

For marketers, the uncertainty begins internally. Nearly half report having only a limited or basic understanding of how consumers use generative AI for product discovery and purchasing decisions. At ...

Marketers with deeply integrated AI are 75% more likely to achieve top-tier ROI, yet just 12% of organizations have achieved that depth of integration The research shows that advanced AI adopters, or ...

Ethnographic research, such as observing the setup of a catheter, often leads toideation. But it can also lead to significant device design. In 2001, William Reese and I wrote an article about the use ...

Investigations of empirical relationships between test scores and criterion measures (e.g., training grades, supervisor ratings, job knowledge test scores) have long been central to the evaluation and ...

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 ...

A spokesperson for Google reached out with an official statement and a discussion about why the Pew research findings do not reflect actual user interaction patterns related to AI summaries and ...