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What is validity and why is it important in research?

What is Reliability?

❶Control groups and randomization will lessen external validity problems but no method can be completely successful.

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Reliability is a necessary ingredient for determining the overall validity of a scientific experiment and enhancing the strength of the results. Debate between social and pure scientists, concerning reliability, is robust and ongoing.

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Reliability and Validity. In order for research data to be of value and of use, they must be both reliable and valid. Reliability. Reliability refers to the repeatability of findings. If the study were to be done a second time, would it yield the same results? The answer depends on the amount of research support for such a relationship.

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reliability and validity as used in quantitative research are discussed as a way of providing a springboard to examining what these two terms mean and how they can be tested in the qualitative research paradigm. The use of reliability and validity are common in quantitative research and now it is reconsidered in the qualitative research paradigm. Since reliability and validity are rooted in positivist perspective then they should be redefined for their use in a naturalistic approach. Like reliability and.

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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 the same answers can be obtained using the same instruments more than one time. In simple terms, if your research is associated with high levels of reliability, then other researchers need to be able to generate the same results, using the same. Test-retest reliability is a measure of reliability obtained by administering the same test twice over a period of time to a group of individuals. The scores from Time 1 and Time 2 can then be correlated in order to evaluate the test for stability over time.