Impact of Events Scale Revised - Reliability and Validity
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Does anyone know a layman's description on what the reliability and validity is on the "Impact of Events Scale Revised"?
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Solution Summary
This solution explains the 'Impact of Events Scale', including what it aims to assess, a sample item, versions, and related references, and describes what reliability and validity mean from a layman's point of view.
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In layman's Terms, reliability of a subjective experience is just that, subjective, and not the same for every patient. This shows that one must be careful in making diagnoses, as a patient's experiences can be subjective, meaning that a diagnosis appropriate for one patient is not necessarily appropriate for another.
In terms of validity, only a qualitative experiment with corresponding statistics can ascertain scientific validity.
Impact of Event Scale - Revised (IES-R)
Weiss, & Marmar, 1996
Description
The IES-R is a 22-item self-report measure that assesses subjective distress caused by traumatic events. It is a revised version of the older version, the 15-item IES (Horowitz, Wilner, & Alvarez, 1979). The IES-R ...
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