Alright, so let’s talk about IQ—but not in that dry, textbook kinda way. We’re talking real-life, long-haul, “let’s-see-how-you-grow” kind of research. The star of the show? Longitudinal studies. These aren’t your average one-and-done surveys. They follow the same folks for years (sometimes decades!), tracking how intelligence shows up, shifts, or even surprises us as…
If you’ve ever wondered how psychologists and researchers make sure their tests actually measure what they claim to, then you’ve already touched on the concept of validity. One type of validity that comes up a lot in research, especially in psychology and education, is concurrent validity. This might sound technical, but it’s actually pretty…
Construct validity is a big deal in psychology, social sciences, and testing in general. If you’ve ever taken a personality test, an IQ test, or even a survey about job satisfaction, you’ve encountered a measurement that should have construct validity—meaning it actually measures what it claims to measure. But how do we know a…
