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 ...

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 ...

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 ...

Investigators across five continents reported that they were able to replicate only about 40 percent of the results from 100 previously published studies in cognitive and social psychology, in a study ...

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 ...

Consumer wearable and smartphone devices provide an accessible means to objectively measure physical activity (PA) through step counts. With the increasing proliferation of this technology, consumers, ...

Improving the validity of your market research can increase the effectiveness of your marketing strategies. When you know what members of your target market are doing and what they want, you can ...

The visual analog scale (VAS) demonstrates comparable validity for perennial allergic rhinitis (PAR) and nonallergic rhinitis ...