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Define the concepts of reliability and validity

Define the concepts of reliability and validity

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Define the concepts of reliability and validity

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In the context of the research, the concept of reliability and validity is used to determine the quality of the research. They represent how well an approach, method or test calculates something. It is very crucial to consider reliability and validity when developing the research design, writing up the outcomes, and methods planning, particularly in Quantitative research. 

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