Explain why empirically confirming a hypothesis does not definitively prove a scientific theory to be true, particularly when alternative theories exist. In your explanation, describe how the confirmed hypothesis affects these alternative theories.
Question: Explain why empirically confirming a hypothesis does not definitively prove a scientific theory to be true, particularly when alternative theories exist. In your explanation, describe how the confirmed hypothesis affects these alternative theories.
Sample answer: Empirically confirming a hypothesis can strengthen a scientific theory, but it cannot definitively prove it to be true. This limitation exists because multiple plausible alternative theories might logically imply the exact same hypothesis. When that hypothesis is confirmed by empirical data, it provides evidence that strengthens all of those alternative theories equally, making it impossible to determine which specific theory is the correct one based on that single test.
Key points:
- Confirming a hypothesis strengthens a theory but does not definitively prove it true.
- Multiple alternative theories can logically imply the exact same hypothesis.
- Confirming the hypothesis strengthens all of the alternative theories equally.
- A single test cannot determine which specific theory is the correct one.
Rubric: Graders should look for the following: 1) Mentioning that confirming a hypothesis does not prove a theory true. 2) Explaining that multiple alternative theories can logically imply the same hypothesis. 3) Stating that confirming the hypothesis strengthens all these alternative theories equally, preventing the researcher from determining which specific theory is correct.
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Research Methods in Psychology - 4th American Edition @ KPU
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