Downloadable Files:

APSI Handout: Sampling & Design (2019)

---

​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

---

Listserve compilations:

Confounding vs. Lurking

Confounding Info