Skip to main content

Anxiety and Anxiety Disorders

Anxiety and Anxiety Disorders

Children Yale-Brown Obsessive-Compulsive Scale (CY-BOCS)

Scahill et al., 1997

The children's yale-brown obsessive-compulsive scale is a 10-item clinician-report measure assessing obsessive-compulsive disorder symptoms in youths ages 6-17. The children's yale-brown obsessive-compulsive scale can be used as a screening tool and to watch symptom changes over time. The children's yale-brown obsessive-compulsive scale is an adapted version of the standard adult obsessive-compulsive disorder measure, the Yale-Brown Obsessive-Compulsive Scale and consists of two subscales: obsessions and compulsions.


Each item is rated on a 5-point scale from zero to four; except for items on control, which ask for ratings from zero to four. Total scores range from 0 to 40. Ratings include clinician synthesis of parental reports on the scales’ items, from either conjoint or separate sessions.


The children yale-brown obsessive-compulsive scale demonstrates good internal consistency. It has an alpha (α) coefficient of 0.87. Its test-retest reliability over a period of 40.76 days intraclass correlation coefficient is = .79 and inter-rater reliability intraclass correlation coefficient = .84.

In addition, it also shows construct validity by convergence with total scores of the Leyton Obsessional Inventory-Child and divergence with scores on the Children’s Depression Inventory.

Download Y-BOACS


Scahill et al., 1997

Storch et al., 2004

Goodman et al., 1989

Kovacs, 1985

(Cooper, 1970),

Scahill et al., 1997


Popular posts from this blog

ADVOKATE: A Mnemonic Tool for the Assessment of Eyewitness Evidence

ADVOKATE: A Mnemonic Tool for Assessment of Eyewitness Evidence A tool for assessing eyewitness  ADVOKATE is a tool designed to assess eyewitness evidence and how much it is reliable. It requires the user to respond to several statements/questions. Forensic psychologists, police or investigative officer can do it. The mnemonic ADVOKATE stands for: A = amount of time under observation (event and act) D = distance from suspect V = visibility (night-day, lighting) O = obstruction to the view of the witness K = known or seen before when and where (suspect) A = any special reason for remembering the subject T = time-lapse (how long has it been since witness saw suspect) E = error or material discrepancy between the description given first or any subsequent accounts by a witness.  Working with suspects (

ICD-11 Criteria for Anorexia Nervosa (6B80)

ICD-11 Criteria for Anorexia Nervosa (6B80) Anorexia Nervosa is characterised by significantly low body weight for the individual’s height, age and developmental stage that is not due to another health condition or to the unavailability of food. A commonly used threshold is body mass index (BMI) less than 18.5 kg/m2 in adults and BMI-for-age under 5th percentile in children and adolescents. Rapid weight loss (e.g. more than 20% of total body weight within 6 months) may replace the low body weight guideline as long as other diagnostic requirements are met. Children and adolescents may exhibit failure to gain weight as expected based on the individual developmental trajectory rather than weight loss. Low body weight is accompanied by a persistent pattern of behaviours to prevent restoration of normal weight, which may include behaviours aimed at reducing energy intake (restricted eating), purging behaviours (e.g. self-induced vomiting, misuse of laxatives), and behaviours aimed at incr

ICD-11 Criteria for Schizophrenia (6A20 )

ICD-11 Criteria for Schizophrenia (6A20 ) Schizophrenia is characterised by disturbances in multiple mental modalities, including thinking (e.g., delusions, disorganisation in the form of thought), perception (e.g., hallucinations), self-experience (e.g., the experience that one's feelings, impulses, thoughts, or behaviour are under the control of an external force), cognition (e.g., impaired attention, verbal memory, and social cognition), volition (e.g., loss of motivation), affect (e.g., blunted emotional expression), and behaviour (e.g., behaviour that appears bizarre or purposeless, unpredictable or inappropriate emotional responses that interfere with the organisation of behaviour). Psychomotor disturbances, including catatonia, may be present. Persistent delusions, persistent hallucinations, thought disorder, and experiences of influence, passivity, or control are considered core symptoms. Symptoms must have persisted for at least one month in order for a diagnosis of schi