Obsessive-Compulsive Inventory (original).

OCI

What it measures

OCD symptoms across seven subscales (washing, checking, doubting, ordering, obsessing, hoarding, mental neutralizing), each rated for frequency and distress

Length and format

42 items. 5-point frequency and 5-point distress per item (0-4); subscale and total scores (self-report questionnaire)

Language versions

Several languages (largely superseded by the OCI-R, which carries the broader translation base)

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

public-domain / open

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Foa, E. B., Kozak, M. J., Salkovskis, P. M., Coles, M. E., & Amir, N. (1998). The validation of a new obsessive-compulsive disorder scale: the Obsessive-Compulsive Inventory. Psychological Assessment, 10(3), 206-214.