Yale – Brown obsessive compulsive scale (Y-BOCS)

Y-BOCS
Instructions: Please complete the following questions‚ choosing only one number per item.
Scores should reflect the composite effect of all obsessive compulsive symptoms. Rate the average occurrence of each item during the prior week up to and including now by colouring inthe appropriate circle.
Your most frequent obsessions:
…………………………………………………………
Your most frequent compulsions:
…………………………………………………………..
Obsession Rating Scale
– Range of Severity –
1.    Time spent on obsessions
0 hours/day
0-1 hours/day
1– 3hrs/day
3- 8hrs/day
8+ hrs/day
2.    Interference from obsessions
None
Mild
Definite but manageable
Substantial impairment
Incapacitating
3.    Distress from obsessions
None
Little
Moderate but manageable
Severe
Near constant‚ disabling
4.    Resistance to obsessions
Always Resist
Much resistance
Some Resistance
Often yield
Completely yield
5.    Control over obsessions
Complete control
Much control
Some control
Little control
No control
Compulsion Rating Scale
6.    Time spent on Compulsions
0 hours/day
0-1 hours/day
1– 3hrs/day
3- 8hrs/day
8+ hrs/day
7.    Interference from Compulsions
None
Mild
Definite but manageable
Substantial impairment
Incapacitating
8.    Distress from Compulsions
None
Little
Moderate but manageable
Severe
Near constant‚ disabling
9.    Resistance to Compulsions
Always Resist
Much resistance
Some Resistance
Often yield
Completely yield
10. Control over o Compulsions
Complete control
Much control
Some control
Little control
No control
 
Answer each question based on the average occurrence of each item over the past week. The first 5 questions relate to obsessive thoughts‚ the last 5 questions relate to compulsive behaviors.
1.    How much of your time is occupied by obsessive thoughts?
None
Less than 1 hour per day
1-3 hours per day
3-8 hours per day
More than 8 hours per day
2.    How much do your obsessive thoughts interfere with functioning in your social‚ work‚ or other roles?
None
Slight interference‚ but no impairment
Definite interference‚ but manageable
Substantial interference
Extreme interference‚ incapacitating
3.    How much distress do your obsessive thoughts cause you?
None
Mild‚ not too disturbing
Moderate‚ disturbing‚ but still manageable
Severe‚ very disturbing
Extreme‚ near constant and disabling distress
4.    How much of an effort do you make to resist the obsessive thoughts?
Always make an effort to resist‚ or don’t even need to resist
Try to resist most of the time
Make some effort to resist
Reluctantly yield to all obsessive thoughts
Completely and willingly yield to all obsessions
5.    How much control do you have over your obsessive thoughts?
Complete control
Much control‚ usually able to stop or divert obsessions with some effort and concentration
Moderate control‚ sometimes able to stop or divert obsessions
Little control‚ rarely successful in stopping or dismissing obsessions
No control‚ rarely able to even momentarily alter obsessive thinking
6.    How much time do you spend performing compulsive behaviors?
None
Less than 1 hour per day
1-3 hours per day
3-8 hours per day
More than 8 hours per day
7.    How much do your compulsive behaviors interfere with functioning in your social‚ work‚ or other roles?
None
Slight interference‚ but no impairment
Definite interference‚ but manageable
Substantial interference
Extreme interference‚ incapacitating
8.    How anxious would you become if you were prevented from performing your compulsive behaviors?
No anxiety
Only slightly anxious
Some anxiety‚ but manageable
Prominent and disturbing anxiety
Extreme‚ incapacitating anxiety
9.    How much of an effort do you make to resist the compulsions?
Always make an effort to resist‚ or don’t even need to resist
Try to resist most of the time
Make some effort to resist
Reluctantly yield to all obsessive compulsions
Completely and willingly yield to all compulsions
10.How much control do you have over your obsessive compulsions?
Complete control
Much control‚ usually able to stop or divert obsessions with some effort and concentration
Moderate control‚ sometimes able to stop or divert compulsive behavior
Little control‚ rarely successful in stopping or dismissing compulsive behavior
No control‚ rarely able to even momentarily alter compulsive behavior
Sources

1.    WK Goodman‚ LH Price‚ SA Rasmussen‚ et al. The Yale-Brown Obsessive-Compulsive Scale. I. Development‚ Use‚ and Reliability. 46 Arch. Gen. Psychiatry‚ 1006-1011. 1989.

2.    MC Rosario-Campos‚ EC Miguel‚ et. al. The Dimensional Yale-Brown Obsessive-Compulsive Scale (DY-BOCS): an instrument for assessing obsessive-compulsive symptom dimensions. 11:5 Mol. Psychiatry‚ 495-504. May 2006.’

 
http://healthnet.umassmed.edu/mhealth/YBOCRatingScale.pdf
 
AGGRESSIVE OBSESSIONS
CONTAMINATION OBSESSIONS
SEXUAL OBSESSIONS
Hoarding / Saving Obsessions
OBSESSION WITH NEED FOR SYMMETRY OR EXACTNESS
MISCELLANEOUS OBSESSIONS
SOMATIC OBSESSIONS
CLEANING/WASHING COMPULSIONS
CHECKING COMPULSIONS
COUNTING COMPULSIONS
REPEATING COMPULSIONS
ORDERING / ARRANGING COMPULSIONS
HOARDING / COLLECTING COMPULSIONS
MISCELLANEOUS COMPULSIONS