Click on the following links. Please note these will open in a new window.

Correlation and Causation

Video Link: http://www.thepsychfiles.com/2009/11/episode-109-correlation-and-causation/

A humorous video explains the topics of correlation and whether correlation can be equated to causation.

1. What is a correlation?
    
2. What is causation? Why cannot correlation equal causation?
    

Research Variables

Article Link: http://www.simplypsychology.org/variables.html

It describes the distinctions between independent variables and dependent variables by using examples and visual graphs.

1. What is the independent and dependent variable in research?
    
2. How do the independent and dependent variables help us determine causation?
    

Type I vs. Type II error

Article Link: https://allpsych.com/researchmethods/errors/

Explanation of Type I and Type II errors with examples.

1. What is a Type I and Type II Error?
    

2. Which of these errors are more problematic for psychological research?
    

Hypotheses, Type I and II Errors, Effect Size, Significance and Power

Video Link: https://www.youtube.com/watch?v=OWn3Ko1WYTA

The video discusses the research and null hypotheses, Type I and Type II errors, and how effect size, power, and significance influence these errors.

1. What is the research hypothesis? What is the null hypothesis?
    

2. What is effect size? What is power? How do effect size and power influence Type I and II errors?
    

What is a Demand Characteristic?

Article Link: https://www.verywell.com/what-is-a-demand-characteristic-2795098

The article discusses the concept of demand characteristics and how they can influence the results of psychological experiments.

1. What are demand characteristics?
    
2. What are the effects of demand characteristics on experiments?