Validity & Reliability

Explain validity and reliability and distinguish between the 2 concepts. Be sure to provide an example of each concept. Which one is more important? Why? What are the three aspects of accurate measurement? 500 words.

Book used is Ellis, L., Hartley, R. D., & Walsh, A. (2010). Research methods in criminal justice and criminology: An interdisciplinary approach. Lanham: Rowman & Littlefield Publishers.

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