1. Political bias is baked into the department to the degree that the political Truth is more important than the truth.
The big review paper on the lack of political diversity in social psychology
http://heterodoxacademy.org/2015/09/14/bbs-paper-on-lack-of-political-diversity/
Survey shocker: Liberal profs admit they’d discriminate against conservatives in hiring, advancement
http://www.washingtontimes.com/news/2012/aug/1/liberal-majority-on-campus-yes-were-biased/
2. Studies they are basing their research on are not replicable or the results are twisted and warped beyond what little the study merely suggests. But the value of the “science” to justify the political demands is too great.
The False ‘Science’ of Implicit Bias
https://www.manhattan-institute.org/html/false-science-implicit-bias-10689.html
Dr. Jordan Peterson: The Dangers of Unconscious Bias Testing
https://www.youtube.com/watch?v=veAPVuuUSUY
Many scientific studies can’t be replicated. That’s a problem.
https://www.washingtonpost.com/news/speaking-of-science/wp/2015/08/27/trouble-in-science-massive-effort-to-reproduce-100-experimental-results-succeeds-only-36-times/?utm_term=.1177ad29a2dc
If you do a search on “Average IQ by country” it will show very politically incorrect results. Especially israel compared to surrounding Arabic countries or Europe compared to North Africa.