While genetic influences on general intelligence have been well documented, less is known about the genetics underlying narrower abilities (“group factors”). By applying structural equation modeling ...

In this video, we provide essential "math help" by visually demonstrating "factoring out the greatest common factor" from various algebraic expressions. This "math tutorial" works through multiple ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.