The social sciences are groups of academic disciplines that study the human aspects of the world. They diverge from the arts and humanities in that the social sciences emphasize the use of the scientific method and rigorous standards of evidence in the study of humanity, including quantitative and qualitative methods.
Social Science are sciences that attempt to explain social Phenomena, and some might try to use such explanations to understand societies or even shape the societies.
Successful or not is another story.
Pseudo means fake; but Pig think more importantly, it might be a good idea to spend some time to understand the concept of "Science".
Then, the selection of words to describe subjects that are outside of science is simply a matter of preference.
