Relialbiltty And Validity

Reliability and hardship 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 gracious services look for. In completing research there ar many types of reliableness and validity that come into play. This paper bequeath define and pull out types of dependability and validity and accept usages of each as how they are related to human services. information collection methods and instruments will be discussed and why methods and instruments are outstanding 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 analyze. Alternate- form dependability uses words to put one over a difference. Alternate- form uses wording from a previous test to make a second test. An employment of alternate form would be givin g 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 reliableness is a wavering of measurements taken by different passel but with the same methods. It tells of how better items hang together (Rosnow & Rosenthal, 2008). An example would be if a subject field were tested on a trait each magazine 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 another(prenominal)(prenominal) item. An organization could compare a specific item with another to make improvements. For example, using a therapy session and work capture could help the organization escort stress. The last of validity is test-retest that is the course of temporal stability of a measuring instrument. The test of reliability on one item using the average gather from tests (Rosno w & Rosenthal, 2008). Validity is the most ! important criteria in research and shows how nearly the...If you want to get a full essay, order it on our website: BestEssayCheap.com

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