Exact(52)
All three sets of analyses (without correction for item overlap; excluding one overlapping item; and excluding two overlapping items) are presented in Table 4.
The second study was designed to compare effects of item overlap and item repetition in aphasic patients of different diagnostic types.
Some researchers argue the correlations observed between neuroticism and other deficit-oriented constructs might be inflated due to item overlap (Ormel et al. 2004; Claridge and Davis 2001).
All correlations were corrected for item overlap.
Controlling for item overlap did not meaningfully alter the results.
Item-total correlations (ITC) correcting for item overlap were calculated to evaluate the construct validity [ 28].
Similar(8)
Higher values show unexpected responses (noise) or might point to multidimensionality. Lower values point to item redundancy, meaning that the information provided by the item overlaps with the information provided by other items [ 12, 14, 15].
This problem places a set of axis aligned two-dimensional rectangular items of given sizes onto a rectangular plane such that no two items overlap and the area of the enveloping rectangle is minimized.
Several GLIA items overlap with items in the AGREE scale.
However, questions can be raised concerning discriminative validity, since some items overlap.
When items are in a chain, the success of any item may depend on a previous item; when items overlap, they include very similar concepts.
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