The issue with psychology is that double blind experiments are prone to observer effect. The behaviour often have nothing to do with reality - when measured, e

The issue with psychology is that double blind experiments are prone to observer effect. The behaviour often have nothing to do with reality - when measured, everything tends towards the ideal. And the experiments can often result in the results you want if the double blinds are removed. I always fall back onto the Survey from "Yes Minister" to explain how that works https://www.youtube.com/watch?v=G0ZZJXw4MTA#t=30s https://www.youtube.com/watch?v=G0ZZJXw4MTA#t=30s