Section outline

  • Confounding and Interaction II: Concepts of Interaction

    Strategies to minimize confounding; types of interaction; distinguishing interaction from confounding; assessing for interaction; tests of homogeneity; computer implementation

    Faculty:  Jeffrey Martin

    • Lecture Slides:

    • Confounding and Interaction II 2021 File

    • Lecture Audio/Video Recording (Access restricted to registered students): 

    • Watch URL
      Not available unless: You belong to a group in Registered Students Only

    • Large Group Discussion (Access restricted to registered students):
      Brief formal review of lecture followed by question and answer discussion. Recorded lecture should be viewed prior to this session.

    • Watch 2021 Media Resource
      Not available unless: You belong to Registered Students Only

    • Recommended Reading:

    • S & N: Ch. 6 and Ch. 1, section 1.4.5 (section on Matching)

      dagitty.net, an open source browser-based environment for creating, editing, and analyzing directed acyclic graphs

    • Optional Reading:

    • VanderWeele TJ and Robins JM. Four types of effect modification: A classification based on directed acyclic graphs. Epidemiology 18: 561-568, 2007. File
      Not available unless: Your ID number contains 02
    • Knol MJ et al. When one depends on the other: Reporting of interaction. Epidemiology 20:161-166, 2009. File
      Not available unless: Your ID number contains 02
    • Knol MJ and VanderWeele TJ. Recommendations for presenting analyses of effect modification and interaction. International Journal of Epidemiology 41:514-520, 2012. File
      Not available unless: Your ID number contains 02
    • VanderWeele and Knol. Tutorial on interaction. Epidemiol Methods 3:33-72, 2014. File
      Not available unless: Your ID number contains 02
    • Lousdal ML. An Introduction to instrumental variable assumptions, validation and estimation. Emerging Theme Epid 15: 2018 File
      Not available unless: Your ID number contains 02

    • Assignment: Problem Set 10

    • Problem Set 10 Confounding and Interaction II 2021 File

    • Assignment Due Date:  November 30, 2021

    • Assignment Answer Key (Access restricted to registered students):

    • Problem Set 10 Confounding and Interaction II 2021 Answer Key File
    • Problem Set 10 Confounding and Interaction II 2021 Answer Key File