Relialbiltty And Validity

Reliability and rigour Sheila Clark University Of Phoenix Research and Statistics BSHS/382 Dr. McCoy November 10, 2010 Reliability and Validity Reliability and validity ar an meaning(a) and useful cheek of world services interrogation. In completing research there ar many types of reliableness and validity that come into play. This paper allow for define and pull out types of dependability and validity and extend to usages of each as how they are related to human services. data collection methods and instruments will be discussed and why methods and instruments are grand and reliable. Reliability is an important aspect of human services research and includes four types, alternate-form, internal-consistency, souvenir-to-item, and analyze-re sort. Alternate- form dependability uses words to cast a difference. Alternate- form uses wording from a previous test to make a second test. An employment of alternate form would be giving clients a test and then in a weeks m giving the same test with the wording change. The test could get over things such as how the individual perceived group therapy. Internal-consistency dependableness is a transmutation of measurements taken by different passel but with the same methods. It tells of how come apart items hang together (Rosnow & Rosenthal, 2008).

An example would be if a heart-to-heart were tested on a trait each meter the test was given the results could be the same. The next form of dependability is item- to- item. Reliability incorporates comparing a single item with some other item. An organization could compare a specific item with other to make! improvements. For example, using a therapy session and work knowledge could help the organization escort stress. The last of validity is test-retest that is the pointedness of temporal stability of a measuring instrument. The test of reliability on one item using the average garner from tests (Rosnow & Rosenthal, 2008). Validity is the most important criteria in research and shows how tumefy the...If you want to get a full essay, order it on our website: BestEssayCheap.com

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