Compulsive Hoarding Rating Scale
A survey for measuring the degree of compulsive hoarding in an individual based on 23 questions. The survey has three subscales to measure clutter, difficulty in discarding and saving, and acquisition.
Reference: Frost, R.O., Steketee, G., & Grisham, J. (2004). Measurement of compulsive hoarding: saving inventory revised. Behaviour Research and Therapy, 42, 1163-1182.
Measurement of Compulsive Hoarding: Survey [PDF file]

