In this video I briefly describe the symptoms of post-traumatic stress disorder, the people most often affected by it, and research on potential risk factors for the development of PTSD, including hippocampal volume. Gilbertson et al (2002) – Smaller hippocampal … Read More
Control, Choice, Blame, & Stress
In this video I discuss the downsides of perceived control and choice and how we assign blame when things don’t go our way. I describe Sherman James’s idea of John Henryism, review the concept of locus of control, and consider … Read More
Social Psychology Knowledge Organizer
Here’s a knowledge organizer I’ve created of the most essential terms for social psychology in an introductory psychology course. These knowledge organizers are designed to help you identify the most important factual knowledge you need to have in order to … Read More
Developmental Knowledge Organizer
Here’s a knowledge organizer I’ve created of the most essential terms for developmental psychology in an introductory psychology course. These knowledge organizers are designed to help you identify the most important factual knowledge you need to have in order to … Read More
Personality Knowledge Organizer
Here’s a knowledge organizer I’ve created of the most essential terms for personality in an introductory psychology course. These knowledge organizers are designed to help you identify the most important factual knowledge you need to have in order to engage … Read More
Psychology in 22 Minutes
In this video I provide a comprehensive overview of the many subfields of psychology and how these fit together to provide a deeper understanding of the complexity of human thought and behavior. These include units on history and early approaches, … Read More
Skewness – Floor & Ceiling Effects
In this video I explain how skewness in a sample may be caused by a floor or a ceiling effect, in which the measurement isn’t able to capture variability at the low or high end of a population’s distribution. A … Read More
Skewness – Positive & Negative Skew
In this video I explain one way in which a distribution can deviate from normality, which is skewness. I explain the difference between positive and negative skew, and how these can be seen in histograms, stem and leaf displays, and … Read More
How to Remember Important Names in the History of Psychology
In this video I provide example mnemonics, or memory aids, for remembering important names in the history of psychology including Wilhelm Wundt, Edward Titchener, William James, G. Stanley Hall, Mary Whiton Calkins, Margaret Floy Washburn, Sigmund Freud, and B.F. Skinner, … Read More
Histograms & Frequency Polygons
In this video I explain the difference between histograms and bar charts, look at the creation of histograms and frequency polygons for continuous variables, and then discuss why we want to get a sense of the shape of a distribution … Read More