Multimedia Resources

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

Finding Tests in PsycTESTS via EBSCOhost

Video Link: https://www.youtube.com/watch?v=5Z3pnJ4I0SU

The video describes how to use PsychTESTS for finding measures and surveys for psychological research.

  1. What is the PsychTESTS database?
     
  2. What are the advantages of using a test that has already been developed compared to creating your own?
     

Reliability and Validity

Video Link: https://www.youtube.com/watch?v=Yr817Iy5pfo

The video discusses the concepts of reliability and validity as well as examples of the types of reliability and validity that a researcher can measure.

  1. What are reliability and validity? Describe two types of each that can be tested.
     
  2. Can a test be reliable but not valid? Can a test be valid but not reliable?
     

What is Cronbach’s Alpha?

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

Video explains the definition and history of Cronbach’s alpha for measuring reliability.

  1. What is Cronbach’s alpha and how is it a measure of reliability?
     
  2. What is the range of values for Cronbach’s alpha? What does a higher value mean for consistency?
     

Types of Validity

Video Link: https://www.youtube.com/watch?v=HUVYc9tApZU

Video explains validity and the types of validity used to assess the accuracy of a measurement.

  1. What is validity? Describe two types of validity used to assess the accuracy of a measurement.
     
  2. Give an example of a test and how you would measure criterion-related validity.
     

Social Desirability Bias

Video Link: https://www.youtube.com/watch?v=_tRviMGU5AA

Video explains the definition of social desirability and examples of social desirable responses to scales.

  1. What is the definition of social desirability? How can social desirability affect the results of a study?
     
  2. What steps can a researcher take to reduce the potential for socially desirable responses?