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Internal and external validity.

Billy Jack discusses the concepts of internal validity and external validity in randomized controlled trials (RCTs) and emphasizes the importance of internal validity for causal inference.

Bibliographic Details
Other Authors:	Jack, Billy (academic.)
Format:	Video
Language:	English
Language Notes:	Closed-captioned in English.
Published:	[Washington, D.C.] : Georgetown University, 2020.
Series:	RCT basics ; 6.
Subjects:	Clinical trials. Études cliniques.
Online Access:	Connect to this streaming video

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