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, research methods, biological bases of behavior, sensation and perception, states of consciousness, learning theory and behaviorism, memory, language and cognition, … 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 floor effect will result in a positively skewed sample, while a ceiling effect will result in a negatively skewed sample, … 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 box and whisker plots. I then discuss the effect of skew on measures of central tendency and consider possible reasons … 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, as well as the roles they played in the development of structuralism, functionalism, psychoanalysis, and behaviorism. The suggested mnemonics can … 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 of scores in order to compare it to a known distribution such as a normal distribution. Video Transcript: Hi I’m … Read More

Social Psychology Practice Questions

This video covers 10 practice multiple choice questions on social psychology and includes questions related to conformity, cultural dimensions, persuasion, attribution theory, and more. I hope this can help you to review your knowledge and understanding, let me know if you have any suggestions for future practice and review videos! Get a free PDF with the questions and answers here: … Read More

Developmental Psychology Practice Questions

This video covers 10 practice multiple choice questions on developmental psychology and includes questions related to Piaget’s theory of cognitive development, parenting styles, attachment, and more. I hope this can help you to review your knowledge and understanding, let me know if you have any suggestions for future practice and review videos! Get a free PDF with the questions and … Read More

Emotion & Motivation Practice Questions

This video covers 10 practice multiple choice questions on emotion & motivation and includes theories of emotion, drives, hunger, motivational conflicts, and more. I hope this can help you to review your knowledge and understanding, let me know if you have any suggestions for future practice and review videos! Get a free PDF with the questions and answers here: Emotion … Read More

Personality Psychology Practice Questions

This video covers 10 practice multiple choice questions on personality psychology and includes psychoanalytic and psychodynamic approaches, trait-based theories, projective techniques, and more. I hope this can help you to review your knowledge and understanding, let me know if you have any suggestions for future practice and review videos! Get a free PDF with the questions and answers here: Personality … Read More

Intelligence & Testing Practice Questions

This video covers 10 practice multiple choice questions on intelligence and testing and includes theories of intelligence, key figures in the study of intelligence, types of validity and reliability, and more. I hope this can help you to review your knowledge and understanding, let me know if you have any suggestions for future practice and review videos! Get a free … Read More