Reliability And Validity In Rehabilitation Counselors

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Reliability and Validity There are several roles of rehabilitation counselors that are pertinent to the field. They must be knowledgeable and skilled in several different areas in which their scope of practice entails. Rehabilitation counselors utilize various measurements, however, they can determine test biases and assumptions as a result of testing for reliability and validity. Reliability and validity are important assessments because, in order, for their research to be useful it must be reliable and valid. Reliability is a measure of consistency and validity is considered, the extent to which meaningful and appropriate inferences can be made from the instrument. Counselors can use both reliability and validity components to test evidence. …show more content…

For instance, counselors may use this test to measure clients’ cognitive functioning with schizophrenia due the changing behaviors in which they may display over a period of time. The split-half, measures internal consistency. For example, a test can have 6 questions that are basically, the same but they are split in two different areas of a test. Employers often use these tests to determine if a person is honest in their answers and if not it would reveal a conflict in the data., Parallel or alternate forms of reliability, correlation that indicates a consistency of scores of individuals within the same group on two alternate but equivalent forms of the same test taken at the same time. An example of such, is when our student body takes a test that is worth 100 points we have the same questions, but they may be two different tests. Such as, a test A and a Test B. Crombach’s alpha, internal consistency reliability statistic calculated from the pairwise correlations between items on the measure. For instance, it will always be less than 1 and the closer it is to 1, the more reliable the scale, which can work together in an effort to measure the same

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