This page includes resources for the book Research Methodology: Best Practices for Rigorous, Credible, and Impactful Research (2025, Sage). In case of queries, feel free to email me at haguinis@gwu.edu
Place your mouse on each resource and then left-click it to download it.| Chapter Number | Program/File Name | Source + Executable Files | Data Files |
|---|---|---|---|
| Chapter 9 | R Code for Errors-in-Variables ANCOVA | link to R script | |
| Chapter 9 | Tools for estimating statistical power for moderation (i.e., interaction) tests | link to programs | |
| Chapter 10 | R script and illustrative data for multilevel modeling | link to annotated R code and data file | Chapter 10 | Program for power analysis in multilevel modeling | link to program |
| Chapter 11 | R Code and data files for Meta-regression analysis | link to R script and data files | |
| Chapter 12 | Market Basket Analysis illustrative data | Excel format | |
| Chapter 12 | Bayesian Analysis illustrative data | Excel format |
