Downloadable Files:

2021 Virtual APSI Handout: Sampling & Design (2021)

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​7 Great Design Questions

Cluster Sampling Article

Confounding with Shrimp and Dentists

Design Hot Potato

Fruit Trees Simulation

Helicopter Activity (Ferris)

I Have...Who Has (Design)

Jelly Blubbers Activity

Jelly Blubbers stratified

Jelly Blubbers Summary Sheet

Planning, Conducting a Study (AP Central)

Quick Draw (Design)

Random Rectangles Activity

Rolling Down the River

Studies in the Newspaper

Trump Polls Activity

Vocabulary Games

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Listserve compilations:

Confounding vs. Lurking

Confounding Info