importance of validity in research
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importance of reliability in research
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validity and reliability in research pdf

Reliability is important because it measures the quality of the research. Findings that are true or accurate from a research study are often reliable. This definition incorporates a number of important distinctions. It implies that if rules can be set up, it is theoretically possible to measure anything.In this chapter, we articulate the important roles that reliability plays in the applied practice of behav- ioral science, in behavioral research, and in test