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17 February, 20:26

A teacher wishes to determine the reliability of three trials on a performance test. she uses anova to obtain the reliability coefficient.

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  1. 17 February, 23:51
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    The technique is called: interclass correlation

    Interclass correlation define the connection between two variables that belong to different classes, and commonly used for countable measurements that made for several groups of subject. Currently, this type of correlations is among the most commonly used by marketing unites to research various information about their products (such as popularity, segmentation, positioning, etc_)
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