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روان شناسی و مشاوره::
مقیاس موقتی
The primary goals of the structural validity phase are to collect responses to the initial set of items, generate and implement an item selection strategy, and construct provisional scales.
Several rounds of data collection may be necessary before provisional scales are ready for the next phase of scale development.
Between each round, psychometric analyses are used to begin building provisional scales and to identify problems with the item pool (e.g.
When used to develop scales, regardless of the specific procedures implemented, EFA involves reducing the matrix of interitem correlations to a set of factors or components to be used as a basis for forming provisional scales.
In general, it is best to base provisional scales on the responses of multiple samples and to identify items that perform robustly.
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