Psychology Glossary
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    Glossary I

    Glossary I

    Item analysis

    Item analysis refers to an assessment of whether each of the items included in a composite measure makes an independent contribution or merely duplicates the contribution of other items in the measure. Moreover, Item analysis is a set of methods used to evaluate test items. The most common techniques involve assessment of item difficulty and item discriminability.

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    Item characteristic curve

    Item characteristic curve refers to a graph prepared as part of the process of Item analysis. One graph is prepared for each test item and shows the total test score on the X axis and the proportion of test takers passing the item on the Y axis.

    Item discriminability

    Item discriminability please see Discriminability.

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    Item homogeneity

    Item homogeneity refers to the extent to which test items measure the same construct.

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    Item stability

    Item stability refers to the extent to which responses to the same test items are consistent analyzed.

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    IVF

    IVF is the abbreviations of In vitro fertilization, a a procedure in which a woman"s ova are removed from her body, fertilized with sperm in a laboratory, and then surgically implant

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