Reliability and Validity of Diagnosis

Question	Answer
Concurrent Validity	How well two similar tests correlate in terms of results.
Aetiological Validity	How well causal factors correlate between sufferers of the same disorder or illness.
Predictive Validity	How well a clinician can predict how a disorder will progress
Descriptive Validity	-How much the disorder matches with the diagnostic manual. -Patients suffering from different disorders should have different symptoms. -Comorbidity reduces descriptive validity.
Inter-Rater Reliability	How closely two clinicians agree on a diagnosis.
Test-Retest Reliability	If a test is repeated and gets the same or similar results.
Ford and Widiger	Clinicians diagnose people with different genders with different illnesses, despite them having the same symptoms.

Resource summary

	Created by Niamh C about 8 years ago