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Using brain-imaging techniques,Staal and colleagues (2000) found that both people with schizophrenia and their otherwise-unaffected siblings had enlargement of the third ventricle as compared with healthy volunteers.What does this finding suggest?
Interrater
Relates to the degree of agreement among independent observers or raters evaluating the same phenomenon.
Predictive Validity
The extent to which a score or measurement can accurately predict future performance or behavior.
Concurrent Validity
A measure of how well a particular test correlates with a previously validated measure.
Content Validity
The extent to which a test measures all aspects of the construct it is supposed to measure.
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