QUOTED: Causality is a basic assumption of science. Scientists set up experiments to determine causality in the physical world. Embedded within the scientific method and experiments is a hypothesis or several hypotheses about causal relationships. The scientific method is used to test the hypotheses.
In many ways, educators do this everyday: try to a new instructional technique, implement a novel invention, or create a behavior plan. Functional Behavioral Assessment, Response-To-Intervention, and Data-Based Decision Making are the scientific method wrapped up and re-packaged. Teachers are scientists. EVERYDAY!