Question

the basis of the scientific method is... to test a hypothesis, and if it is disproved, abandon the investigation. to formulate a research problem and test the hypothesis in carefully controlled conditions that challenge the hypothesis. to formulate a research problem and disprove the hypothesis. to test a hypothesis in conditions that are conclusive to its success.

Explanation:

The scientific method starts with problem - formulation and tests hypotheses under controlled, challenging conditions.

Answer:

to formulate a research problem and test the hypothesis in carefully controlled conditions that challenge the hypothesis.