Reliability and Validity

Running head: Reliability and Validity Paper: origin When inquiry is constructed, a questioner must be for sure that he/she adequately chooses turn uped, valid cakes and resources. This is essential to the legitimacy of the research. To get through a high standard research is to ensure the countersink answers to the research questions. To accomplish high quality research depends on how ripe(p) the research design is formatted. This intern would reveal how valid and true(p) the results from the research can be applied to the study lay down on these results (Anita Stewart, Medical Care pg 724). Reliability Reliability is the dead body of your measuring stick, or the degree to which an instrument measures the corresponding commission for each one sentence it is used under the alike delay with the same subjects. In short, it is the repeatability of a measurement. A measure is considered reliable if a persons come to on the same evidence given t wice is equivalent (American Educational Research Association, American Psychological Association & theme Council on Measurement in Education, 1999). It is important to remember that reliability is not measured, it is estimated.

For example, on a reliable test, a learner would be expecting to receive the same grade regardless of when the student completed the assessment or test, when the answer was scored and graded, and who scored the response. On an treacherous examination, a students grade or score may be different based on factors that are not link to the purpose of the test or survey. There are two ways t hat reliability is estimated, test/retest an! d internal consistency. The first implements the measurement of an instrument at two separate times for each subject. The second documents the correlation mingled with the two separate measurements and the one-third assumes there is no sort in the underlying condition of the survey, questionnaire or test. Validity ecesis is the process of accumulating evidence that supports the accuracy of the...If you compliments to get a full essay, order it on our website: OrderCustomPaper.com

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