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20 May, 15:17

A teacher wishes to determine the reliability of three trials on a performance test. She uses ANOVA to obtain the reliability coefficient. What is this technique called?

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  1. 20 May, 17:56
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    ANOVA is short for Analysis Of Variance.

    Explanation:

    It is a statistical method whereby the variation in observations is divided into small different components. ANOVA provides a statistical test on the equality of two or more population means. A one-way ANOVA is used to analyse two or three groups of data so as to gain information about the relation of the independent and dependent variables.
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