Egleston Brian L
Fox Chase Cancer Center.
Int J Biostat. 2011;7(1):24. doi: 10.2202/1557-4679.1330. Epub 2011 May 18.
Dr. Pearl invites researchers to justify their use of principal stratification. This comment explains how the use of principal stratification simplified a complex mediational problem encountered when evaluating a smoking cessation intervention's effect on reducing smoking withdrawal symptoms.
珀尔博士邀请研究人员为他们使用主分层法进行辩护。本评论解释了主分层法的使用如何简化了在评估戒烟干预对减轻戒烟戒断症状的效果时遇到的一个复杂的中介问题。