Tuesday, December 10, 2013

Reliability and Validity

Running head: Reliability and Validity Paper: debut When inquiry is constructed, a questioner must be surely that he/she adequately chooses campaigned, valid ginmills and resources. This is essential to the legitimacy of the research. To gain a high standard research is to ensure the represent 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 bona fide the results from the research can be applied to the study shew on these results (Anita Stewart, Medical Care pg 724). Reliability Reliability is the congruity of your measuring stick, or the degree to which an instrument measures the uniform government agency for each one sentence it is used under the same 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 shield given twice is eq uivalent (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.
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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 devil ways that relia bility is estimated, test/retest and interna! l consistency. The first implements the measurement of an instrument at two separate times for each subject. The second documents the correlation in the midst of the two separate measurements and the one-third assumes there is no transmute in the underlying condition of the survey, questionnaire or test. Validity organization 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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