This laboratory manual provides a hands-on introduction to statistical analysis using jamovi, enabling students to develop practical skills in data management, statistical testing, and interpretation of research results. Organized around common statistical procedures used in the behavioral and social sciences, the manual guides readers through descriptive statistics, reliability and validity, probability, z-scores, t-tests, one-way and factorial ANOVA, correlation, linear regression, and chi-square analyses. Each chapter emphasizes applying statistical concepts through guided exercises and practice activities.
Preface
CHAPTER 1 Introduction to jamovi
CHAPTER 2 Descriptive Statistics
CHAPTER 3 Reliability and Validity
CHAPTER 4 z-Scores and Probability
CHAPTER 5 t-Test for Independent Samples
CHAPTER 6 Paired Samples t-Test
CHAPTER 7 One-Way ANOVA
CHAPTER 8 Factorial ANOVA
CHAPTER 9 Looking at Relationships with Correlation Coefficients
CHAPTER 10 Predicting Values with Linear Regression
CHAPTER 11 Looking at Distributions Across Groups with Chi-square (Χ2)
CHAPTER 12 On Writing
APPENDIX: Answers to Practice Items
BRANDON
SCHMEICHEL
Dr. Brandon Schmeichel is a Professor of Psychology at Texas A&M University and an APS Fellow. His research focuses on affective science, personality processes, and social and personality psychology, with particular emphasis on self-control, willpower, emotion regulation, working memory, and ego defenses. His work examines the psychological processes that influence how individuals regulate their thoughts, emotions, and behaviors in pursuit of personal goals. At Texas A&M University, Dr. Schmeichel contributes to research and teaching in psychology, exploring how cognitive and emotional processes shape human behavior.
Rebecca
Schlegel
Dr. Rebecca Schlegel is a Professor and Associate Head of Undergraduate Studies and Programs. She is a Fellow of the Association for Psychological Science (APS) and the Society for Personality and Social Psychology (SPSP). Her research is grounded in personality processes and social and personality psychology, with a particular focus on the concepts of the true self, well-being, and meaning in life. Dr. Schlegel's work explores the connections between identity, authenticity, and human flourishing, contributing to a deeper understanding of the psychological factors that promote well-being and a meaningful life.
Heather Christine
Lench
Dr. Heather Lench is Senior Associate Vice President for Faculty Affairs, Professor, and Interim Head of the Department of Psychiatry and Behavioral Sciences at Texas A&M. Her research lies at the intersection of affective science, personality processes, and social and personality psychology, with a focus on understanding how emotions shape human thought, behavior, and decision-making. She investigates the role of affective reactions in future-oriented thinking, including how people form expectations about future events and how specific emotions influence judgment, optimism, and cognitive functioning.
Dr. Lench's research is grounded in the premise that emotional processes are fundamental to behavior and cognition. Through her work, she examines when and why particular emotions can enhance decision-making and adaptive functioning, contributing to a deeper understanding of emotion, cognition, and personality.