"Always be transparent about the limitations of your study."

始终对研究的局限性保持透明。

"The difference between correlation and causation is fundamental in empirical work."

相关性和因果关系之间的区别在实证工作中是根本性的。

"Good research is about asking the right questions, not just applying fancy methods."

好的研究在于提出正确的问题，而不仅仅是应用花哨的方法。

"The credibility of your results depends on the plausibility of your identifying assumptions."

你结果的可信度取决于你识别假设的合理性。

"In observational studies, we often have to rely on assumptions that are not directly testable."

在观察性研究中，我们常常不得不依赖于无法直接检验的假设。

"Causal inference requires careful thought about the assumptions underlying your analysis."

因果推理需要仔细思考分析背后的假设。

"The key to good research is not just the method, but the clarity of the question and the quality of the data."

好的研究关键不仅在于方法，还在于问题的清晰性和数据的质量。

"Matching methods can be a powerful tool when randomization is not possible."

当随机化不可行时，匹配方法可以是一个强大的工具。

"Randomized experiments are the gold standard for causal inference, but they are not always feasible."

随机实验是因果推理的黄金标准，但它们并不总是可行的。

"The most important thing in empirical work is to be clear about the question you are trying to answer."

实证研究中最重要的是要清楚你想要回答的问题。