Nearly all of it, because that's the case for the overwhelming majority of the social sciences.
When you do not have an objective metric to measure, prove, or hypothesize (as in physics, chemistry, etc), you're basically doing statistics on whatever arbitrary populations and bounds you choose with immeasurable confounders. That's why the replication crisis and p hacking are intrinsic properties of the social sciences
When you do not have an objective metric to measure, prove, or hypothesize (as in physics, chemistry, etc), you're basically doing statistics on whatever arbitrary populations and bounds you choose with immeasurable confounders. That's why the replication crisis and p hacking are intrinsic properties of the social sciences