Chromosomal Abnormalities and Molecular Genetics

In this video I introduce examples of molecular genetics and how specific genes or chromosomes can influence traits, behaviors, or illnesses. The difference between genetic and inherited is defined and several chromosomal abnormalities are explained including Down Syndrome, Turner Syndrome, … Read More

What is Heritability?

In this video I provide a basic introduction to twin studies and heritability scores. I explain how a heritability score tells us about the role of genes in explaining variance in a trait. I also discuss some common errors and … Read More

Types of Test Designs

In designing an intelligence assessment, I may want to know the level of difficulty that someone is capable of solving. In this case, I would probably look at whether a person is able to solve a particularly difficult puzzle or … Read More

Intelligence Resources

On this page you’ll find a number of resources for understanding intelligence, including ways of defining intelligence, testing, and the role of genes and environment in shaping intelligence. If I’ve missed a good resource, please share it in the comments … Read More