The Reliability of Measurement: Definition, Importance & Types


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question 1 of 3

Reliability is _____.

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1. Johnny goes to two different psychologists and they both diagnose him with obsessive-compulsive disorder. Which of the following types of reliability is being demonstrated by the psychologists?

2. Judy takes a math test on Tuesday and gets an A. On Thursday, she takes the same math test and gets an F. Which of the following types of reliability is being violated in Judy's case?

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About This Quiz & Worksheet

This quiz/worksheet combination will test your understanding of what reliability is by way of defining its different classifications.

Quiz & Worksheet Goals

You will be assessed on the definitions of:

  • Test-retest reliability
  • Form reliability
  • Inter-item reliability
  • Inter-rater reliability

Skills Practiced

  • Distinguishing differences - compare and contrast topics from the lesson, such as inter-item and inter-rater reliability
  • Information recall - access the knowledge you've gained regarding measurement tools
  • Critical thinking - apply relevant concepts to examine information about reliability in a different light

Additional Learning

Want to know more about reliability? Check out the accompanying lesson titled The Reliability of Measurement: Definition, Importance & Types. It covers the following topics:

  • Psychological measurement
  • Different types of reliability
  • The way reliability types function