On this page, I will list guides to various statistics topics. If you don’t see a topic that you’re interested in, please contact me at MHoward@SouthAlabama.edu and I will consider adding it (when I have time).
ANOVA
Práctica de ANOVA Unidireccional
Basic Statistical Concepts
Conceptual Variables and Actual Measures
Independent Variables and Dependent Variables
Causation
Correlation Does NOT Equal Causation (Links to StatisticalBullshit.com)
Chi-Square
Chi-Square in Excel (One Variable)
Chi-Square Test of Independence in Excel (Two Variable)
Video Lecture on Chi-Square Tests (One and Two Variable)
Correlations
Cronbach’s Alpha
Introduction to Cronbach’s Alpha
Descriptive Statistics
Descriptive Statistics in Jamovi
How to Calculate Descriptive Statistics in Excel
Identifying Multiple Modes in Excel
Práctica de Estadística Descriptiva
Video Lecture on Descriptive Statistics (Opens in YouTube)
Dummy-Coding
Dummy-Coded Regression in Excel
Dummy-Coded Regression in Jamovi
Dummy-Coded Regression in Python
Dummy-Coded Regression in SPSS
Dummy-Coded Regression Practice
Práctica de Regresión con Variables Dummy
Regresión con Variables Dummy en Excel
Excel
Activar “Data Analysis” en Excel – Para Mac
Activando “Data Analysis” en Excel – Para Windows
Activating “Data Analysis” in Excel – Mac
Activating “Data Analysis” in Excel – Windows
Ayuda de Estadísticas en Excel
Factorial Designs
Two Condition Full Factorial Designs
Helpful Tools and Guides from Around the Internet
Helpful Online Statistics Tools
Item-Sort Task
Item-Sort Tasks’ Logic, Method, and Statistics
Jamovi
Ayuda de Estadísticas en Jamovi
Mediation
Mediation (Sobel Test) Practice
Mediation with Regression in Excel (Sobel Test)
Práctica de Mediación (Prueba de Sobel)
Sobel Test Formula for Serial Mediation / Sequential Mediation
Sobel Test Calculator for Serial Mediation / Sequential Mediation
Meta-Analysis
Seven Things You Should Know about CMA (Comprehensive Meta-Analysis)
Methodology
Regression Toward the Mean (Links to StatisticalBullshit.com)
Moderation
Moderation with Regression in Excel
p-Values
P-Hacking (Links to StatisticalBullshit.com)
The Meaning of p-Values: A Guide for Social and Organizational Science
Students & Researchers
The p-Value Controversy: A Guide for Social and Organizational Science
Students & Researchers
Partial Correlation
Partial Correlations in Python
Percentiles
Percentiles Practice Questions
Prediction
Predicción con Regresión en Excel
Prediction with Regression in Excel
Probability
Rules of Probability Practice Questions
Python
Downloading Python for Windows
Quadratic Regression
Líneas de Tendencia Cuadráticas en Gráficos de Excel
Quadratic Regression in Jamovi
Quadratic Regression in Python
R
Regression
Sample Size
Bias with Small Sample Sizes and/or Non-Representative Samples (Links to
StatisticalBullshit.com)
Scale Creation
Scales
SPSS
T-Test
Práctica de la Prueba T de Dos Muestras
Prueba T de Dos Muestras en Excel
Prueba T de una Muestra en Excel
Z-Values
Dr. Matt C. Howard 
How to Perform a T-Test in Excel – Dr. Matt C. Howard
Descriptive Statistics in Excel – Dr. Matt C. Howard
Excel Statistics Help – Statistical Bullshit
Regression and More in Excel and SPSS – Dr. Matt C. Howard
Quadratic & Dummy-Coded Regression in Excel and SPSS – Dr. Matt C. Howard
One-Sample and Two-Sample T-Test in Excel and SPSS – Dr. Matt C. Howard
ANOVA and Chi-Square in Excel and SPSS – Dr. Matt C. Howard
Practice in Excel and SPSS – Statistical Bullshit
Rules of Probability – Statistical Bullshit
Hello, as a student, these have been very helpful, and more concise than most guides out there. Thanks a lot!
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Thank you for the very kind words!
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