Threats to validity

Content for Monday, September 27, 2021



The slides for today’s lesson are available online as an HTML file. Use the buttons below to open the slides either as an interactive website or as a static PDF (for printing or storing for later). You can also click in the slides below and navigate through them with your left and right arrow keys.

View all slides in new window Download PDF of all slides

Fun fact: If you type ? (or shift + /) while going through the slides, you can see a list of special slide-specific commands.


Videos for each section of the lecture are available at this YouTube playlist.

You can also watch the playlist (and skip around to different sections) here:

In-class stuff

Here are all the materials we’ll use in class:

  1. Guido W. Imbens, “Statistical Significance, p-Values, and the Reporting of Uncertainty,” Journal of Economic Perspectives 35, no. 3, Summer (2021): 157–74, doi:10.1257/jep.35.3.157. ↩︎

  2. Paul J. Gertler et al., Impact Evaluation in Practice, 2nd ed. (Inter-American Development Bank; World Bank, 2016), ↩︎

  3. Nick Huntington-Klein, The Effect: An Introduction to Research Design and Causality (Boca Raton, Florida: Chapman and Hall / CRC, 2021), ↩︎