A Guide to Doing Statistics in Second Language Research Using SPSS and R is the only text available that demonstrates how to use SPSS and R as specifically related to applied linguistics and SLA research. This new edition has been thoroughly updated with the most recent developments in SPSS and R, and now also includes JASP, a software program that harnesses the power of R with a point-and-click interface.

Supported by a number of pedagogical features, including tip boxes and practice activities, and a wealth of screenshots, this book takes readers through each step of performing and understanding statistical research, covering the most commonly used tests in second language research, including t-tests, correlation, multiple regression, and ANOVA. The third edition also provides an introduction to linear mixed-effects modelling and programming with artificial intelligence. Extensive online material covers additional tests of interest to students and researchers, taking them step-by-step through carrying out these tests themselves.

In this comprehensive and hands-on volume, Larson-Hall and Nicklin equips readers with a thorough understanding and the practical skills necessary to conducting and interpreting statistical research effectively using SPSS, JASP, and R, ideal for graduate students and researchers in SLA, social sciences, and applied linguistics.