Sociologists and other scientists try to establish correlation because "causation is difficult to prove".
Causation is a conviction that occasions happen in unsurprising ways and that one occasion prompts another. If the connection between the factors is non-deceptive (there is a third factor that isn't causing the impact), the fleeting request is in line (cause before impact), and the examination is longitudinal, it might be derived that it is a causal relationship.