The Effect, animated
Two voiced, animated explainers of Nick Huntington-Klein's book on research design and causal inference.
Newest: a field guide
Vari's tour of the toolbox
The book's outline, how the research designs fit together, and every design with two made-up cases. It stops so you can think before each answer.
Start the tour →The first film: a case file
Arrow investigates a headline
A detective story through all 23 chapters, chasing one claim: "Tutored students score 15 points higher!"
Open the case →