Dragon Stats

R-Squared in Action

Is There a Superhero Bias?

Aug 28 • 

Lisa Vangsness, PhD

1

Guess-and-Check: The Breakfast of Statistical Champions

R-squared as a Measure of Model Fit

Aug 22 • 

Lisa Vangsness, PhD

The Good, The Bad, and The Ugly

The Role of Variability in Mathematical Models

Aug 18 • 

Lisa Vangsness, PhD

What's Your SRFer Style?

How to Operationally Define Your Variables

Aug 15 • 

Lisa Vangsness, PhD

2

Everybody’s Gone SRFing

How to Support and Refute with Facts

Aug 14 • 

Lisa Vangsness, PhD

Giving the Spherical Cow Some Night Vision Goggles

A Real-World Example of a Mathematical Model

Aug 13 • 

Lisa Vangsness, PhD

1

Snow Globes, the Sears Tower, and Spherical Cows

What are Mathematical Models?

Aug 9 • 

Lisa Vangsness, PhD

2

July 2025

Machines, Automated Systems, and AI

What is AI?

Jul 20 • 

Lisa Vangsness, PhD

Where Does Research Data Come From?

Anecdotal vs. Empirical Evidence

Jul 12 • 

Lisa Vangsness, PhD

October 2024

Easy Figure and Table Captions in Word

Learn to create APA 7th edition figure and table captions that automatically update both format and number as you revise your manuscript.

Oct 21, 2024 • 

Lisa Vangsness, PhD

March 2024

There Must be 50 Ways to Share your Model

Every author must balance the trade-offs between the conciseness and readability of a results section. Gain practice with this simple exercise (and some…

Mar 22, 2024 • 

Lisa Vangsness, PhD

February 2024

Graphing Effects with ggplot2 and effects

A step-by-step walkthrough on graphing with extensive illustrations, examples, and code snips.

Feb 27, 2024 • 

Lisa Vangsness, PhD