The first step of scientific inquiry is establishing a testable:

Question

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The first step of scientific inquiry is to form a hypothesis, a testable explanation for a phenomenon or behavior. This allows researchers to design experiments to test the validity of the hypothesis. While theories and methodology are important components of scientific inquiry, they come later in the process. The explanation of behavior may be an ultimate goal of scientific research, but it cannot be established without first testing a hypothesis.

The First Step of Scientific Inquiry Is Establishing a Testable