Answer:
The social sciences study people, and so the very "facts" of the social sciences involve people's minds. The natural sciences study mindless particles and can use repeatable experiments, changing one variable at a time, to test which theories are better or worse. Yet there are no controlled experiments in the social sciences, because the people have minds of their own so that we can't ever replicate the same conditions for a new "test." Sample Partial Credit Answer Social sciences study people, and so they can't use experiments.