OCD Scale

Yale-Brown Obsessive Compulsive Scale (Y-BOCS)

Please answer as honestly as you can.
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Questions 1 To 5 Are About Your Obsessive Thoughts
Obsessions are unwanted ideas, images or impulses that intrude on thinking against your wishes and efforts to resist them. They usually involve themes of harm, risk and danger. Common obsessions are excessive fears of contamination; recurring doubts about danger, extreme concern with order, symmetry, or exactness; fear of losing important things.
Rating Scale For Question 1: (Time Occupied BY OBSESSIVE Thoughts)

0 = None | 1 = Less than 1 hr/day or occasional occurrence

2 = 1 to 3 hrs/day or frequent | 3 = Greater than 3 and up to 8 hrs/day or very frequent occurrence

4 = Greater than 8 Hours/day or nearly constant occurrence
1.) How much of your time is occupied by obsessive thoughts?*

0

1

2

3

4

0 is None, 4 is Greater than 8 Hours/day
Rating Scale For Question 2: (Interference DUE To OBSESSIVE Thoughts)

0 = None | 1 = Slight interference with social or other activities, but overall performance not impaired

2 = Definite interference with social or occupational performance,
but still manageable | 3 = Causes substantial impairment in social or occupational performance

4 = Incapacitating
2.) How much do your obsessive thoughts interfere with your work, school, social, or other important role functioning? Is there anything that you don’t do because of them? *

0

1

2

3

4

0 is None, 4 is Incapacitating
Rating Scale For Question 3: ( Distress Associated WITH OBSESSIVE Thoughts)

0 = None | 1 = Not too disturbing

2 = Disturbing, but still manageable | 3 = Very disturbing

4 = Near constant and disabling distress
3.) How much distress do your obsessive thoughts cause you?*

0

1

2

3

4

0 is None, 4 is Disabling
Rating Scale For Question 4: (Resistance AGAINST OBSESSIONS)

0 = Try to resist all the time | 1 = Try to resist most of the time

2 = Make some effort to resist | 3 = Yield to all obsessions without attempting to control them, but with some reluctance

4 = Completely and willingly yield to all obsessions
4.) How much of an effort do you make to resist the obsessive thoughts? How often do you try to disregard or turn your attention away from these thoughts as they enter your mind? *

0

1

2

3

4

0 is None, 4 is Yield
Rating Scale For Question 5: (Degree of CONTROL Over OBSESSIVE Thoughts)

0 = Complete control | 1 = Usually able to stop or divert obsessions with some effort and concentration

2 = Usually able to stop or divert obsessions with some effort and concentration

3 = Rarely successful in stopping or dismissing obsessions, can only divert attention
with difficulty

4 = Obsessions are completely involuntary, rarely able to even momentarily alter
obsessive thinking
5.) How much control do you have over your obsessive thoughts? How successful are you in stopping or diverting your obsessive thinking? Can you dismiss them? *

0

1

2

3

4

0 is None, 4 is Involuntary
Questions 6 To 10 Are About Your Compulsive Behaviors
Compulsions are urges that people have to do something to lessen feelings of anxiety or other discomfort. Often they do repetitive, purposeful, intentional behaviors called rituals. The behavior itself may seem appropriate but it becomes a ritual when done to excess. Washing, checking, repeating, straightening, hoarding and many other behaviors can be rituals. Some rituals are mental. For example, thinking or saying things over and over under your breath.
Rating Scale For Question 6: (Time Spent Performing COMPULSIVE Behaviors)

0 = None | 1 = Less than 1 hr/day or occasional performance of compulsive behaviors

2 = From 1 to 3 hrs/day, or frequent performance of compulsive behaviors

3 = More than 3 and up to 8 hrs/day, or very frequent performance of compulsive
behaviors

4 = More than 8 hrs/day, or near constant performance of compulsive behaviors
(too numerous to count)
6.) How much time do you spend performing compulsive behaviors? How much longer than most people does it take to complete routine activities because of your rituals? How frequently do you do rituals? *

0

1

2

3

4

0 is None, 4 is More than 8hrs/day
Rating Scale For Question 7: (Interference DUE To COMPULSIVE Behaviors)

0 = None | 1 = Slight interference with social or other activities, but overall performance not impaired

2 = Definite interference with social or occupational performance, but still
manageable

3 = Causes substantial impairment in social or occupational performance

4 = Incapacitating
7.) How much do your compulsive behaviors interfere with your work, school, social, or other important role functioning? Is there anything that you don’t do because of the compulsions? *

0

1

2

3

4

0 is None, 4 is Incapacitating
Rating Scale For Question 8: (Distress Associated WITH COMPULSIVE Behaviors)

0 = None | 1 = Only slightly anxious if compulsions prevented

2 = Anxiety would mount but remain manageable if compulsions prevented

3 = Prominent and very disturbing increase in anxiety if compulsions interrupted

4 = Incapacitating anxiety from any intervention aimed at modifying activity
8.) How would you feel if prevented from performing your compulsion(s)? How anxious would you become?*

0

1

2

3

4

0 is None, 4 is Incapacitating
Rating Scale For Question 9: (Resistance AGAINST COMPULSIONS)

0 = Always try to resist | 1 = Try to resist most of the time

2 = Make some effort to resist | 3 = Yield to almost all compulsions without attempting to control them, but with some reluctance

4 = Completely and willingly yield to all compulsions
9.) How much of an effort do you make to resist the compulsions?*

0

1

2

3

4

0 is None, 4 is Yield
Rating Scale For Question 10: (Degree Of CONTROL Over COMPULSIVE BEHAVIORS)

0 = Complete control | 1 = Pressure to perform the behavior but usually able to exercise voluntary control over it

2 = Strong pressure to perform behavior, can control it only with difficulty

3 = Very strong drive to perform behavior, must be carried to completion, can only
delay with difficulty

4 = Drive to perform behavior experienced as completely involuntary and over-
powering, rarely able to even momentarily delay activity
10.) How strong is the drive to perform the compulsive behavior? How much control do you have over the compulsions?*

0

1

2

3

4

0 is None, 4 is Over-powering
Reference: Adapted from Goodman, W.K., Price, L.H., Rasmussen, S.A. et al.:
“The Yale-Brown Obsessive Compulsive Scale.”
Arch Gen Psychiatry 46:1006-1011,1989

https://pandasnetwork.org/wp-content/uploads/2018/11/y-bocs-w-checklist.pdf
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Yale-Brown Obsessive Compulsive Scale (Y-BOCS)

Questions 1 To 5 Are About Your Obsessive Thoughts

Questions 6 To 10 Are About Your Compulsive Behaviors