Equating

（重定向自Test equating）

Figure 1: Test characteristic curves showing the relationship between total score and person location for two different tests in relation to a common scale. In this example a total of 37 on Assessment 1 equates to a total of 34.9 on Assessment 2 as shown by the vertical line

Test equating traditionally refers to the statistical process of determining comparable scores on different forms of an exam. It can be accomplished using either classical test theory or item response theory.

In item response theory, equating is the process of equating the units and origins of two scales on which the abilities of students have been estimated from results on different tests. The process is analogous to equating degrees Fahrenheit with degrees Celsius by converting measurements from one scale to the other. The determination of comparable scores is a by-product of equating that results from equating the scales obtained from test results.

单词	Test equating
释义	Test equating 英语百科 Equating （重定向自Test equating） Test equating traditionally refers to the statistical process of determining comparable scores on different forms of an exam. It can be accomplished using either classical test theory or item response theory. In item response theory, equating is the process of equating the units and origins of two scales on which the abilities of students have been estimated from results on different tests. The process is analogous to equating degrees Fahrenheit with degrees Celsius by converting measurements from one scale to the other. The determination of comparable scores is a by-product of equating that results from equating the scales obtained from test results.
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