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Module 3: Ensuring Validity

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❶Reliability refers to the repeatability of findings. The principles of validity and reliability are fundamental cornerstones of the scientific method.

What is Reliability?

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Issues of research reliability and validity need to be addressed in methodology chapter in a concise manner. Reliability refers to the extent to which.

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Research Reliability Reliability refers to whether or not you get the same answer by using an instrument to measure something more than once. In simple terms, research reliability is the degree to which research method produces stable .

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What is Validity? Validity encompasses the entire experimental concept and establishes whether the results obtained meet all of the requirements of the scientific research method. Reliability and Validity. In order for research data to be of value and of use, they must be both reliable and valid.. Reliability.

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You are here: AllPsych > Research Methods > Chapter Test Validity and Reliability Test Validity and Reliability Whenever a test or other measuring device is used as part of the data collection process, the validity and reliability of that test is important. Reliability is consistency across time (test-retest reliability), across items (internal consistency), and across researchers (interrater reliability). Validity is the extent to which the scores actually represent the variable they are intended to.