"Which test do I use?" Answered, then written up.

“If you already know the basics but freeze when choosing tests, defending assumptions, or formatting results, this is an efficient, no‑nonsense working tool that earns its place on the desk.”

“Spent two semesters frozen at the analysis stage, Googling "which statistical test" at midnight and getting a different answer every time. The Master Decision Tree ended that cycle in ten minutes.”

“TLDR: It is a solid read for applied decision making, not theoretical learning. An existing knowledge-base is required.”

“One of its strongest features is the Master Decision Tree, which walks users step-by-step through the process of selecting the correct test based on their study design.”

“Many students skip these steps, which can lead to mistakes, but this book makes them simple with easy checklists.”

“The “Know Your Variables” chapter is hands down the most important chapter of your research life.”

“The side-by-side guides for SPSS, JASP, and R make it incredibly versatile for any software preference.”

“I like that some of the sections are cards that you can cut out and use.”

“The examples in the book are easy to follow along as well as their explanations.”

“This came at the right time! I had to do a research project in my business administration class and this was incredibly helpful”

“It gives some good details, variables, little study guides, and fill in templates. So you can be hands on and work it out for yourself.”