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Florida Obsessive Compulsive Inventory (FOCI)

Please visit this website for more information about the instrument:

Supplemental: HD
Short Description of Instrument
Summary/Overview  of  Instrument:  Self  report  questionnaire  that  has  Checklist  for symptom enumeration and Severity Scale.
Construct measured: Obsessions and compulsions.
Generic vs. disease specific: Generic.
Intended use of instrument/ purpose of tool: Evaluation of severity of obsessive and compulsive symptoms.
Means of administration: Paper and pencil, electronic online version available.
Location of administration: Clinic or home.
Intended respondent: Patient.
# of items: Checklist (20 items), Severity Scale (5 items).
# of subscales and names of sub-scales: 2 – Checklist and Severity Scale.
Psychometric Properties
Reliability: Test-retest or intra-interview (within rater) reliability (as applicable): N/A Inter-interview (between-rater) reliability (as applicable): N/A Internal consistency: very good, alpha = 0.89. Statistical methods used to assess reliability: Not available.
Validity: Content validity: Not available. Construct validity: Very good; high correlation with Yale Brown Obsessive Compulsive Scale. Not available.
Sensitivity to Change/Ability to Detect Change (over time or in response to an intervention): Aldea et al, 2009-Severity Scale showed lower scores over time in response to an intervention.
Known Relationships to Other Variables: (e.g. gender, education, age, etc): N/A.
Diagnostic Sensitivity and Specificity, if applicable: (in general population, HD population- premanifest/ manifest, other disease groups):
Availability (copyright): Available for free online but note: The FOCI cannot be reprinted, reproduced or modified without written permission of Dr. Goodman Likewise, those individuals interested in clinical or research use of the FOCI need to obtain permission from Dr. Goodman.
Special Requirements for administration: None.
Administration Time: 15-20 minutes.
Translations available (e.g. Spanish, French, Other languages): N/A.
Scoring: For Checklist: yes or no responses, no total score, just rating presence of a symptom; For Severity Scale, add total for items 1-5 to get severity measure.
Standardization of  scores  to  a  reference  population  (z  scores,  T  scores,  etc):  Not available.
If scores  have  been  standardized  to  a  reference  population,  indicate  frame  of reference for scoring (general population, HD subjects, other disease groups, etc): N/A
Storch EA, Kaufman DA, Bagner D, Merlo LJ, Shapira NA, Geffken GR, Murphy TK, Goodman WK. Florida Obsessive-Compulsive Inventory: development, reliability, and validity. J Clin Psychol. 2007 Sep;63(9):851-9.
Other References:
Aldea MA, Geffken GR, Jacob ML, Goodman WK, Storch EA. Further psychometric analysis of the Florida Obsessive-Compulsive Inventory. J Anxiety Disord. 2009 Jan;23(1):124-9.


Document last updated February 2018