Which of the following describes the deductive approach to research?A. A researcher makes empirical observations and then develops a theory based on these observations. B. A researcher develops several hypotheses to explain a correlation he or she has observed between two factors and then tests that theory. C. A researcher collects data, establishes causation, and then develops a theory to explain it. D. A researcher starts with a theory, forms a hypothesis, makes observations, and then analyzes the data to confirm, reject, or refine the original theory.