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Family History Research Diagnostic Criteria (FH-RDC)

This instrument is not commercially available. Please email the author for information about obtaining the instrument:

Supplemental: Traumatic Brain Injury (TBI)
Exploratory: Sport-Related Concussion (SRC) Subacute (after 72 hours to 3 months) and Persistent/Chronic (3 months and greater post concussion)
Short Description of Instrument
The Family History Research Diagnostic Criteria (FHRDC) is an instrument that collects family history information and provides criteria for 12 diagnoses.
Sport-Related Concussion Specific: Determination of family psychiatric history. Rating is summarized on a scale from 0 to 3. Ratings for first degree only and combined with second degree relatives. Appears to have increased sensitivity than other methods to acquire family history. It describes specific operational criteria for determining diagnosis. It has a low diagnostic threshold so it can affect reliability.
Psychometric Properties
Using specific diagnostic criteria leads to greater accuracy and sensitivity, but underreporting remains a major problem of this method.
Andreasen NC, Endicott J, Spitzer RL, Winokur G. The family history method using diagnostic criteria. Reliability and validity. Arch Gen Psychiatry. 1977;34(10):1229-1235.
Zimmerman M, Coryell W, Pfohl B, Stangl D. The reliability of the family history method for psychiatric diagnoses. Arch Gen Psychiatry. 1988;45(4):320-322.


Document last updated March 2018