Special software is required to use some of the files in this section:.do, .dta, .jar, and .xls.

Exercise Instructions Supporting Files
Exercise 1A and B: Distributions and Impact (PDF)

Distribution (JAR - 1.9MB)

Impact (XLS - 16MB)

Exercise 2: The mechanics of simple random assignment using MS Excel® (PDF)

Data (XLS)

Balsakhi Data (DTA)

Stata (DO)

Exercise 3: Sample size calculation with clutstered design (PDF)

Exercise 3 (XLS)

Optimal Design software is available from the University of Michigan