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

Video Clips

• Reliability and Validity 
  A discussion of the types of reliability and validity.

• Types of Data 
  Review of the types of measurement.

• The Hawthorne Effect 
  Examples of the Hawthorne effect and review of its history.

Audio Clips

•  Air Force Academy Squadrons Test Peer-Effect Assumptions 
  An unusual social engineering experiment tried to apply what's known about peer effects to the real world.

• More Parents Say No to Standardized Testing 
  A growing number of parents and students are deciding to “opt out” of assessment tests in an effort to stem the rise of what they call a “toxic testing culture.”