I would argue that The Big Five personality traits is just as reproducible but with a much higher construct validity than IQ. It measures a similar thing in a

I would argue that The Big Five personality traits is just as reproducible but with a much higher construct validity than IQ. It measures a similar thing in a similar way, in that it's an abstract concept about human psychology (personality and intelligence) that is measured with questionnaires. There's good science in Psychology, even if the field as a whole is suffering the replication crisis. Some parts of cognitive psychology such as studies in reaction times, memory, and perception are very reproducible. Classic conditioning is a standard in animal training. Psychology as a whole has a bed reputation, and it has received solid criticism. I think a lot of it has to do with a few high profile frauds, bad translational science (theory to application), perverse publication incentives in academia, and the tendency for non-scientist to use questionable findings to justify their opinions.