| 模型 | 模型答案 | 正确答案 |
|---|---|---|
| 金声玉亮2.0 | C. Controlled experiments are often undertaken later to establish cause-and-effect relationships first suggested by observational studies. |
C |
| deepseekr1 | Answer: C **Explanation:** - **Option A** is incorrect because a complete census does not inherently address confounding variables or establish causation; well-designed experiments (especially randomized controlled trials) are the primary method for establishing cause-and-effect relationships. - **Option B** is false because observational studies, even when well-designed, cannot definitively prove causation due to potential confounding factors and lack of random assignment. - **Option C** is correct. Observational studies often identify correlations or patterns, which may then be rigorously tested for causation through controlled experiments (e.g., clinical trials after epidemiological observations). - **Option D** is incorrect because increasing sample size reduces random sampling error but does not eliminate systematic bias inherent in observational study designs (e.g., selection bias, confounding). |
C |
| gpto1 | C | C |
| GPT-4o | C. Controlled experiments are often undertaken later to establish cause-and-effect relationships first suggested by observational studies. | C |
| llama3.1-70B-Instruct | C |
C |
| llama3.1-405B-Instruct | C. Controlled experiments are often undertaken later to establish cause-and-effect relationships first suggested by observational studies. |
C |
| DeepSeek-Coder-V2 | C | C |
| Qwen2-72B-Instruct | C. Controlled experiments are often undertaken later to establish cause-and-effect relationships first suggested by observational studies. | C |
| baichuan4 | C | C |
| doubao | C Experiments are the best way to establish cause-and-effect relationships, but observational studies can sometimes suggest them. Controlled experiments are often done later to confirm or refute the suggested cause-and-effect relationships from observational studies. A census is not the only way to establish cause-and-effect. Increasing the sample size can help with some issues in observational studies but does not overcome all biases. And observational studies cannot establish cause-and-effect relationships as strongly as experiments. |
C |
| minimax | C. Controlled experiments are often undertaken later to establish cause-and-effect relationships first suggested by observational studies. | C |
| kimi | C. Controlled experiments are often undertaken later to establish cause-and-effect relationships first suggested by observational studies. This statement is true because observational studies can suggest possible cause-and-effect relationships, but they cannot prove them because they cannot control for all possible confounding variables. Controlled experiments, on the other hand, can manipulate variables and control for confounding factors, which can provide stronger evidence for cause-and-effect relationships. |
C |
| wenxinyiyan | C | C |
| zhipu | C Explanation: A. This statement is incorrect because a complete census is not necessary to establish cause-and-effect relationships; controlled experiments can also establish such relationships. B. This statement is incorrect because observational studies cannot establish cause-and-effect relationships as strongly as experiments can. Observational studies can suggest associations but are subject to confounding variables. C. This statement is correct. Observational studies can suggest potential cause-and-effect relationships, and these suggestions are often tested through controlled experiments to establish a stronger causal link. D. This statement is incorrect because increasing the sample size does not eliminate bias; it can reduce random error but not systematic bias inherent in the study design. |
C |
| gpto1 | C | C |
| deepseekv3 | C. Controlled experiments are often undertaken later to establish cause-and-effect relationships first suggested by observational studies. | C |