Evidence about which firearm policies work, to what extent, and for whom is hotly debated, perhaps partly because variation in research methodology has produced mixed and inconclusive effect estimates. We conducted a scoping review of firearm policy research in the health sciences in the United States, focusing on methodological considerations for causal inference.

中文翻译：

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估计枪支政策影响的研究中研究方法的报告和描述。


关于哪些枪支政策有效、有效程度如何以及对谁有效的证据引起了激烈的争论，部分原因可能是研究方法的差异产生了混合且不确定的效果估计。我们对美国健康科学领域的枪支政策研究进行了范围审查，重点关注因果推理的方法论考虑。