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The item–total correlation is the correlation between a scored item and the total test score. It is an item statistic used in psychometric analysis to diagnose assessment items that fail to indicate the underlying psychological trait so that they can be removed or revised.
The analysis highlights The item-total correlation in item analysis and Overview as prominent areas in the source structure around Item-total correlation.
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Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
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item correlation items analysis trait test assessment underlying psychometric point-biserial total score indicate item-total scale degree negative measure value indicates
TTTA extracted structured relationships around Item-total correlation. The table shows each extracted connection, where it came from and its confidence.
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The concept neighborhoods around Item-total correlation bring nearby vocabulary together. In this analysis, examples include Calculated, Item and Point-biserial. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For Item-total correlation, one of the stronger structural bridges in this analysis connects Item-total correlation with The item-total correlation in item analysis. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around Item-total correlation to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as The item-total correlation in item analysis & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — Item-total correlation · EN edition · Analysis: TopicsToTalkAbout
