Saying psychology as a whole is disreputable is just anti-intellectual know nothingism. The divide between psychophysics (the study of perception) and neuroscience is as great as that between social psychology and sociology, small. Trying to denounce all of psychology by association with social psychology just betrays ignorance. The same applies to many, many papers in the exact sciences.
> In cancer science, many “discoveries” don’t hold up
> During a decade as head of global cancer research at Amgen, C. Glenn Begley identified 53" landmark" publications--papers in top journals, from reputable labs--for his team to reproduce. Begley sought to double-check the findings before trying to build on them for drug development. Result: 47 of the 53 could not be replicated. He described his findings in a commentary piece published on Wednesday in the journal Nature.
http://medicalexposedownloads.com/PDF/Cancer%20science%20Res...
Psychology as a whole is disreputable, literally half its studies fail to replicate. You might as well flip a coin.
Sure, IQ is the best that we have. But it's terrible.