After making an observation, the scientist should propose a hypothesis, design an experiment to test it, and analyze the data to evaluate the hypothesis.
After identifying the problem or making an observation, propose a hypothesis, test the hypothesis, and refine the hypothesis if necessary. Design an experiment to test the hypothesis: results must be measurable evidence for or against the hypothesis. Consider how your data supports or does not support your hypothesis and then integrate your experimental results with earlier hypotheses and prior knowledge.
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