Psychology 2080A/B Chapter 5: Chapter 5 - Validity
30 Oct 2016
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As result of griggs vs duke power decision, employers must provide evidence that a test used for the selection of promotion of employees has specific meaning in field of testing, this is called validity. Psychologist must obey specific rules of evidence in establishing that a test has particular meaning for specific purpose. Psychologist always begin by assuming that there is no reason to believe something is valid: evidence for validity come from showing association between test and other variables, rules strictly forbid saying there is a relationship without proof. Validity is defined as agreement between test score or measure and quality it is believed to measure the answer to does the test measure what is supposed to? . We use systematic studies to determine whether conclusions from test are justified by evidence. 1985 committee of american educational research association (aera), american.
