they support concepts such as equality and liberty to self-reported studies

Even Psychology, the retard of the science world, figured out how useless self reporting is nearly a century ago.

That's why confederates and double triple deceptions are basically the baseline for any survey. Because if you ask people directly, they will say what they want to be true and how they think you want them to answer.

Its why political polling is the most useless thing ever in existence. It lives entirely just to create propaganda, it reflects nothing else.