Introduction to Quantitative Methods

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Georgia State University

by Ozlem Tuncel, PhD

Slides

• Introduction to Quantitative Analysis by Ozlem Tuncel
• Introduction to Descriptive and Advanced Statistics by Ozlem Tuncel

Content and Resources

I have the following resources and games for each topic. I categorize each resource using the following categories:

• 📖 – Book or another resouce for you to read
• 🌐 – Website or another online source for you to read
• 🎲 – Game or simulation resource to play

Scientific Method

• 📖 Scientific method by Standford Encylopedia
• 📖 Steps of scientific method

Play the following games:

• 🎲 Mouse Experiment on Random Assignment
• 🎲 Sampling Song Lyrics to Poems

Research Design

• 🌐 Types of research design by Sacred Heart University
• 🌐 Organizing your social science research paper by USC Library
• 🌐 Qualitative vs quantiative research design

Research Question

• 🌐 Characteristics of a good research question by University of Minnesota
• 📖 Research Questions by San Jose State University Writing Center

Hypothesis and Theory

• 📖 From theory to hypothesis
• 🌐 Theoretical Framework of a Paper by USC Library

Play the following game:

• 🎲 Bias & Reliability

Variables and Variable Types

• 📖 Types of variables
• 🌐 Variables types with Python code
• 🌐 Variable types – make sure to click on variable types to see examples.

Play the following game:

• 🎲 Variable Types and Roles Matching Game

Research Ethics

• 📖 Guiding principles for ethical research by NIH
• 🌐 5 principles of research ethics by APA

Make sure to check IRB (or equivalent ethics committee) website in your institution:

• 🌐 GSU IRB

Graphical Methods

• 🌐 I have another course specifically designed to teach data viz with R: https://ozlemtuncel.github.io/r_visualization/
• 🌐 Data visualization techniques by DataCamp
• 🌐 How to chose charts
• 🌐 Data viz catalogue
• 🌐 17 data viz techniques to know by Harvard Business School
• 🌐 Descriptive stats in R
• 📖 Exploratory Data Analysis chapter from R for Data Science
• 🌐 More on EDA

Play the following games:

• 🎲 Descriptive Statistics
• 🎲 Data Viz App

Measures of Central Tendency & Dispersion

• 📖 Measures of Central Tendency and Dispersion
• 📖 Mean, median, mode, range
• 🌐 Measures of Central Tendency by Penn State

Correlation

• 🌐 Pearson, Kendall, and Spearman correlation
• 🌐 Calculating Pearson, Kendall, and Spearman with Python
• 🌐 Correlation coefficients and interpretation
• 📖 From correlation to regression

Play the following games:

• 🎲 Correlation Guessing
• 🎲 Chi-square Goodness-fit-Test and Simulation

Null Hypothesis Significance Testing (NHST) with Ordinary Least Squares (OLS)

• 🌐 Visual Introduction to Linear Regression
• 📖 ⭐ Regression and Other Stories – one of the best books to read about regression
• 🌐 Short intro to linear regression
• 📑 Make sure to read: Gill, Jeff. (1999). The insignificance of null hypothesis significance testing. Political Research Quarterly, 52(3), 647-674.
• 🌐 OLS with R

Play the following games:

• 🎲 Hypothesis Test
• 🎲 NHST Tic-Tac-Toes
• 🎲 Regression Lines

Assumptions of OLS

• 🌐 Checking assumptions of OLS with R
• 🌐 Simplified OLS assumptions
• 🌐 OLS assumptions with visuals

Play the following game:

• 🎲 Regression Assumptions and Diagnositcs