Children’s Yale-Brown Obsessive Compulsive Scale Obsessions are thoughts, ideas, or pictures that keep coming into your mind even though you do not want them to. They may be unpleasant, silly or embarassing.Examples: the repeated thought that germs or dirt are harming you or other people, or that something unpleasant might happen to you or someone in your family or someone special to youThese are thoughts that keep coming back, over and over again.Please think about your obsessions when answering the first 5 questions. Select the answer that best describes you over the last 7 days (including today). How much time do you spend thinking about these things? How frequently do these thoughts occur?Please select your answerNoneLess than 1 hour/day or occasional occurrence1 to 3 hours/day or frequent occurrenceMore than 3 and up to 8 hours/day or very frequent occurrenceMore than 8 hours/day or nearly constant occurrence How much do these thoughts get in the way of school or doing things with friends? Is there anything you don't do because of them?Please select your answerNoneSlight interference with social or school activities, but overall performance not impairedDefinite interference with social or school performance, but still manageableSubstantial interference in social or school performanceIncapacitating interference How much do these thoughts bother or upset you?Please select your answerNoneInfrequent and not too disturbingFrequent and disturbing distress, but still manageableVery frequent and very disturbingNear constant and disabling distress/frustration How hard do you try to stop the thoughts or ignore them?Please select your answerTry to resist all the time (or the obsessions are so minimal there is no need to actively resist them)Try to resist most of the time (e.g., more than half of the time)Make some effort to resistYield to all obsessions without attempting to control them, but with some reluctanceCompletely and willingly yield to all obsessions When you try to fight the thoughts, can you beat them? How much control do you have over the thoughts?Please select your answerComplete controlMuch control; usually able to stop or divert obsessions with some effort and concentrationModerate control; sometimes able to stop or divert obsessionsLittle control; rarely successful in stopping or dismissing obsessions, can only divert attention with difficultyNo control; rarely able to even momentarily alter obsessive thinking Please check any obsessions you are currently experiencing or have experienced in the past. Contamination Obsessions Concern with dirt, germs, certain illnesses (e.g., AIDS) Concerns or disgust with bodily waste or secretions (e.g., urine, feces, saliva) Excessive concern with environmental contaminants (e.g., asbestos, radiation, toxic waste) Excessive concern with household items (e.g., cleaners, solvents) Excessive concern about animals/insects Excessively bothered by sticky substances or residues Concerned will get ill because of contaminant Concerned will get others ill by spreading contaminant (aggressive) No concern with consequences of contamination other than how it might feel Other (describe below) Aggressive Obsessions Fear might harm self Fear might harm others Violent or horrific images Fear of blurting out obscenities or insults Fear of doing something else embarassing Fear will act on unwanted impulses (e.g., to stab friend) Fear will steal things Fear will harm others because not careful enough (e.g., hit/run motor vehicle accident) Fear will be responsible for something else terrible happening (e.g., fire, burglary) Other (describe below) Sexual ObsessionsSexual obsessions are repetitive thoughts that you would rather not have or find disturbing. Forbidden or perverse sexual thoughts, images, impulses Content involves homosexuality Sexual behavior towards others (Aggressive) Other (describe below) Hoarding/Saving ObsessionsA hoarding/saving obsession is different from hobbies and concern with objects of monetary or sentimental value. Fear of losing things Other (describe below) Magical Thoughts/Superstitious Obsessions Lucky/unlucky numbers, colors, words Other (describe below) Somatic Obsessions Excessive concern with illness or disease Excessive concern with body part or aspect of appearance (e.g., dysmorphophobia) Other (describe below) Religious Obsessions (Scrupulosity) Excessive concern or fear of offending religious objects (God) Excessive concern with right/wrong, morality Other (describe below) Miscellaneous Obsessions The need to know or remember Fear of saying certain things Fear of not saying just the right thing Intrusive (non-violent) images Intrusive sounds, words, music, or numbers Other (describe below) Other ObsessionsPlease describe any obsessions for which you selected "Other" above. Compulsions are things that you feel you have to do although you may know that they do not make sense. Sometimes you may try to stop from doing them but this might not be possible. You might feel worried or angry or frustrated until you have finished what you have to do.Examples: the need to wash your hands over and over again even though they are not really dirty, or the need to count up to a certain number while you do certain thingsPlease think about your compulsions when answering the last 5 questions. Select the answer that best describes you over the last 7 days (including today). How much time do you spend doing these things? How often do you do these habits?Please select your answerNoneLess than 1 hour/day or occasional performance of compulsive behaviorsFrom 1 to 3 hours/day or frequent performance of compulsive behaviorsMore than 3 and up to 8 hours/day or very frequent performance of compulsive behaviorsMore than 8 hours/day or near constant performance of compulsive behaviors (too numerous to count) How much do these habits get in the way of doing things with friends? Is there anything you don't do because of them?Please select your answerNoneSlight interference with social or school activities, but overall performance not impairedDefinite interference with social or school performance, but still manageableSubstantial interference in social or school performanceExtreme, incapacitating interference How would you feel if prevented from carrying out your habits? How upset would you become? How upset do you get while carrying out your habits until you are satisfied?Please select your answerNoneOnly slight anxious/frustrated if habits prevented, or only slight anxiety/frustration during performance of habitsAnxiety/frustration would mount but remain manageable if habits prevented. Anxiety/frustration increases but remains manageable during performance of habits.Prominent and very disturbing increase in anxiety/frustration if compulsions interrupted. Prominent and very disturbing increase in anxiety/frustration during performance of compulsions.Extreme, incapacitating anxiety/frustration from any intervention aimed at modifying activity. Incapacitating anxiety/frustration develops during performance of compulsions. How much do you try to fight the habits?Please select your answerMakes an effort to always resist, or the symptoms are so minimal there is no need to actively resistTries to resist most of the timeMake some effort to resistYield to all compulsions without attempting to control them, but with some reluctanceCompletely and willingly yield to all compulsions How strong is the feeling that you have to carry out the habit(s)? How much control do you have over the habits?Please select your answerComplete controlPressure to perform behavior; usually able to stop with some effort and willpowerStrong pressure to perform behavior; can control it only with difficultyVery strong drive to perform behavior; must be carried to completion, can only delay with difficultyDrive to perform behavior is involuntary and overwhelming; rarely able to even momentarily delay activity Please check any compulsions you are currently experiencing or have experienced in the past. Washing/Cleaning Compulsions Excessive or ritualized handwashing Excessive or ritualized showering, bathing, toothbrushing, grooming or toilet routine Excessive cleaning of items; such as personal clothes or important objects Other measures to prevent or remove contact with contaminants Other (describe below) Checking Compulsions Checking locks, toys, school books/items, etc. Checking associated with getting washed, dressed or undressed Checking that did not/will not harm others Checking that did not/will not harm self Checking that nothing terrible did/will happen Checking that did not make mistake Checking tied to somatic obsessions Other (describe below) Repeating Rituals Rereading, erasing or rewriting Need to repeat routine activities (e.g., in/out doors, up/down from chair) Other (describe below) Counting CompulsionsThis includes objects, certain numbers, words, etc. Please describe counting compulsion below Ordering/Arranging Need for symmetry/evening up (e.g., lining items up a certain way or arranging personal items in specific patterns) Other (describe below) Hoarding/Saving CompulsionThis is different from hobbies or concern with objects of monetary or sentimental value. Difficulty throwing things away, saving bits of paper, string, etc. Other (describe below) Excessive Games/Superstitious BehaviorsDifferent from age-appropriate magical games. Stepping over certain spots on a floor, touching an object/self certain number of times as a routine game to avoid something bad from happening Other (describe below) Rituals Involving Other PersonsThe need to involve another person (usually a parent) in ritual (e.g., asking a parent to repeatedly answer the same question, making mother perform certain meal-time rituals involving specific utensils. Please describe rituals involving other persons below. Miscellaneous Compulsions Mental rituals (other than checking/counting) Need to tell, ask or confess Measures (not checking) to prevent harm to self Measures (not checking) to prevent harm to others Measures (not checking) to prevent terrible consequences Ritualized eating behaviors Excessive list making Need to touch, tap, rub Need to do things (e.g., touch or arrange) until it feels just right Rituals involving blinking or staring Trichotillomania (hair-pulling) Other self-damaging or self-mutilating behaviors Other (describe below) Other CompulsionsPlease describe any compulsions for which you selected "Other" above. Time is Up!