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 ...

Technological innovations can seem relentless. In computing, some have proclaimed that "a year in machine learning is a ...

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 ...

In 2000, London opened its Millennium pedestrian bridge to the public in a widely celebrated event. The momentous occasion drew large numbers of people, eager to view and experience the bridge first ...

Is the purpose of the new joint industry committee (JIC) about improving TV audience measurement quality or is it about gamesmanship? Is it even possible to validly measure viewing using alternative ...

Routines in a data entry routine that test the input for correct and reasonable conditions, such as account numbers falling within a range, numeric data being all digits, dates having a valid month, ...

Also known as a "zero knowledge (ZK) proof," a validity proof is used by zero knowledge rollups (zk-Rollups) on Layer 2 blockchains to prove that the data summarized on the Layer 1 chain are valid.