Course Materials
Important readings
Optional readings
# Module 9
Means Comparisons
Learning Objectives: Understand the logic of hypothesis testing, conduct and interpret t-tests for comparing means between groups, and apply these statistical methods to evaluate research findings.
Before the Class
- Remler & Van Ryzin. Chapter 9. Making Sense of Inferantial Statistics.
- Paul Andersen, "Student's t-test"
For the In-Class Quiz
In the Class
- Grant Duwe, "Can circles of support and accountability (CoSA) significantly reduce sexual recidivism? Results from a randomized controlled trial in Minnesota" (Try to understand the purpose of the study, the research design, and the main findings. Don't worry about understanding all the statistical details at this point.)