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

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

How to Calculate Descriptive Statistics in Excel

Identifying Multiple Modes in Excel

Video Lecture on Descriptive Statistics (Opens in YouTube)

Dummy-Coding

Dummy-Coded Regression in Excel

Dummy-Coded Regression in SPSS

Dummy-Coded Regression Practice

Excel

Activating “Data Analysis” in 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

Mediation

Mediation (Sobel Test) Practice

Mediation with Regression in Excel (Sobel Test)

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

Percentiles

Prediction

Prediction with Regression in Excel

Probability

Quadratic Regression

R

Regression

Sample Size

Bias with Small Sample Sizes and/or Non-Representative Samples (Links to

StatisticalBullshit.com)

Scale Creation

Scales

SPSS

T-Test

Z-Values

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