Module 5.1: Hierarchical normal models with constant variance: two groups
Required:
A First Course in Bayesian Statistical Methods
by Peter D. Hoff.:
Section 8.1: Comparing two groups
Optional:
Bayesian Data Analysis (Third Edition)
by Andrew Gelman, John Carlin, Hal Stern, David Dunson, Aki Vehtari, and Donald Rubin.:
Section 5.2: Exchangeability and setting up hierarchical models