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  ASSESSMENT TOOLS
 

        
         Section II: Measures of general functional status/impairment

 

 

CGAS

CAFAS

CIS

Format

Single scale with a
range of 1-100, with 10-pt.
anchors; unidimensional
& global measure of social
& psychiatric functioning

5 main scales + 2 scales for
caregiver; measure of
child & adolescent functioning & impairment

Structured questionnaire; global
measure of impairments
that taps 4 dimensions

Computer Version?

No

No

No

Voice Version?

No

No

No

Informant (s)

Clinician or parent

Clinician rating
or parent
interview

Youth or
Parent

Admin.
Time
(in minutes)

5

10-30

5

Age Range
(in years)

4-16

7-17

7-17

Time Frame

Not specified

Past 3M

Not specified

Parallel
Version for
Parent?

No

Yes

Yes

Reliability
(Acceptable?)

Yes

Yes

Yes

Validity

Discriminant, Concurrent
(comparison of inpatient and outpatient
ratings, behavioral checklists)

Criterion

Concurrent (CGAS and other measures
of impairment)

More Information

CGAS

CAFAS

Bird HR, Shaffer D, Fisher P,Gould MS, et al.(1993).The Columbia Impairment Scale (CIS): Pilot findings on a measure of global impairment for children and adolescents. International Journal of Methods in Psychiatric Research, 3(3): 167-176.

 
 

CGAS: Children’s Global Assessment Scale

 

CAFAS: Child & Adolescent Measures of Functional Status

 

CIS: Columbia Impairment Scale

 

We have defined 'Acceptable' to be inclusive of alpha, kappa, test-retest, and joint reliabilities of .60 and higher. For a more detailed review of reliabilities for specific instruments, see Handbook of Psychiatric Measures (2000), American Psychiatric Association.

 
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