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Norm-referenced test
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Norm-referenced test : ウィキペディア英語版
Norm-referenced test
A norm-referenced test (NRT) is a type of test, assessment, or evaluation which yields an estimate of the position of the tested individual in a predefined population, with respect to the trait being measured. The estimate is derived from the analysis of test scores and possibly other relevant data from a sample drawn from the population.〔(Assessment Guided Practices )〕 That is, this type of test identifies whether the test taker performed better or worse than other test takers, not whether the test taker knows either more or less material than is necessary for a given purpose.
The term ''normative assessment'' refers to the process of comparing one test-taker to his or her peers.〔
Norm-referenced assessment can be contrasted with criterion-referenced assessment and ipsative assessment. In a criterion-referenced assessment, the score shows whether or not test takers performed well or poorly on a given task, not how that compares to other test takers; in an ipsative system, test takers are compared to previous performance.
The same test can be used in both ways.〔Cronbach, L. J. (1970). ''Essentials of psychological testing'' (3rd ed.). New York: Harper & Row.〕
Robert Glaser originally coined the terms ''norm-referenced test'' and ''criterion-referenced test''.
==Common uses==
Many college entrance exams and nationally used school tests use norm-referenced tests. The SAT, Graduate Record Examination (GRE), and Wechsler Intelligence Scale for Children (WISC) compare individual student performance to the performance of a normative sample. Test takers cannot "fail" a norm-referenced test, as each test taker receives a score that compares the individual to others that have taken the test, usually given by a percentile. This is useful when there is a wide range of acceptable scores, and the goal is to find out who performs better.
IQ tests are norm-referenced tests, because their goal is to see which test taker is more intelligent than the other test takers. The median IQ is set to 100, and all test takers are ranked up or down in comparison to that level.
Theater auditions and job interviews are norm-referenced tests, because their goal is to identify the best candidate compared to the other candidates, not to determine how many of the candidates meet a fixed list of standards.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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