Which of the following statements is true regarding a scientific theory?

Question

BlackTom AI · Accepted Answer

A scientific theory is a well-substantiated explanation of natural phenomena that integrates and explains a wide range of observations and experimental results.

1. Relevant knowledge points and concepts
- Hypothesis: a tentative, testable prediction or explanation for a specific observation or set of observations. It is often narrow in scope and tested directly by experiments or observations.
- Scientific theory: a broad, coherent explanation supported by a large body of evidence, often built from multiple tested hypotheses and repeated experiments. Theories explain patterns and mechanisms across many observations.
- Development timeline: hypotheses can be proposed and tested relatively quickly; theories require extensive evidence, replication, and synthesis of many lines of inquiry before being accepted.

2. Step-by-step reasoning
- Step 1: A hypothesis is proposed to explain a specific phenomenon.
- Step 2: Experiments/observations test the hypothesis; results may support, refute, or refine it.
- Step 3: Multiple related hypotheses and consistent experimental results accumulate.
- Step 4: Scientists synthesize these results into a broader explanatory framework—a theory—which has been repeatedly tested and validated.
- Conclusion from steps: Because a theory requires accumulation and synthesis of extensive, replicated evidence, it generally takes longer to develop than a single hypothesis.

3. Calculations/intermediate steps
- Not applicable (logical progression rather than numerical calculation).

4. Why the correct answer is correct
- The selected statement, "A scientific theory takes longer to develop than a hypothesis," correctly captures the difference in scope and evidentiary requirements: theories are constructed from many tested hypotheses and thus require more time and evidence to establish.

5. Why the other options are incorrect
- "The term scientific theory is interchangeable with the term hypothesis.": Incorrect—these are distinct: hypotheses are tentative and narrow; theories are broad and well-supported.
- "Scientific theories are tentative, simplistic explanations of phenomena.": Incorrect—while scientific knowledge is provisional in principle, theories are not simplistic; they are robust, comprehensive explanations supported by extensive evidence.

6. Conclusion
Therefore, the correct answer is: "A scientific theory takes longer to develop than a hypothesis." This matches the provided answer.

Which of the following statements is true regarding a scientific theory?单项选择题

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