Preface

Cover of the textbook: the title 'Answering questions with data' and subtitle 'Introductory Statistics for Psychology Students' in white on a red panel, above a green-and-white pattern of stylized triangular trees and the year 2018.

First Draft (version 0.9 = August 7th, 2018) Last Compiled: December 30, 2025 (the date of the source edition this web edition builds from)

Online Textbook: https://crumplab.github.io/statistics/

Citation: Crump, M. J. C., Navarro, D. J., & Suzuki, J. (2019, June 5). Answering Questions with Data (Textbook): Introductory Statistics for Psychology Students. https://doi.org/10.17605/OSF.IO/JZE52

Adapted from Answering Questions with Data: Introductory Statistics for Psychology Students, by Matthew J. C. Crump (Brooklyn College of CUNY), crumplab.com/statistics, licensed under CC BY-SA 4.0. Portions adapt Danielle Navarro's Learning Statistics with R (CC BY-SA). Changes were made; this adaptation is distributed under the same license. License: CC-BY-SA-4.0.