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Child Dissociative Checklist (version 3.0)
The CDC is an observer report measure and uses a 3-point scale response format. The time frame in the instructions covers
the present and prior 12 months. Clinicians are free to specify another time frame as appropriate (e.g., the preceding week)
when the CDC is completed weekly as part of a longitudinal evaluation or treatment outcome measure.
The CDC score is the sum of the item scores and can range from 0 to 40 on Version 3.0. The means of scores for four different
groups follows. A number of cautions should be kept in mind. First, the CDC scores reported in this table are means; they
reflect the Aaverage@ child in a given group. Second, individual children (both traumatized and nontraumatized) can and do
exhibit variation on the CDC, as well as on other measures. Thus a high score does not prove that a child has a dissociative
disorder; nor does a low score guarentee that a child dos not have a dissociative disorder. In addition, there is variability
in the way in which adult report measures such as the CDC are completed by parents, foster parents, teachers, and other informants.
This problem exists for all adult report child measures. Finally, the CDC is but an indicator of the presence or absence
of pathological dissociation. High and low scores must be weighed within the larger clinical context. Therefore, the CDC
is best used as a screening instrument for detection of possible pathological dissociation during evaluation, and as an index
of a degree of dissociation for purposes of research and treatment evaluation.
Group
Age (years)
Mean
SD
Normal
5-8
9-11
12-16
3.2
2.9
1.9
2.9
1.0
1.9
Maltreated
5-8
9-11
12-16
10.3
6.1
4.2
8.7
6.5
1.9
MPD
5-8
9-11
12-16
24.1
23.8
22.3
8.5
9.7
9.1
DDNOS
5-8
9-11
12-16
21.4
16.5
20.0
9.1
6.9
8.0
References:
Putnum, Frank W. (1997) Dissociation in Children and Adolescents, A Developmental
Perspective. The Guilford Press.
Silberg, Joyanna (1998) The Dissociative Child, The Sidran Press
Adolescent Dissociative Experiences Scale
The A-DES is scored by summing item scores and dividing by 30 (number of items) Thus the overall score ranges from 0 to
10.
Group
Mean
SD
Dissociative disorders
Abused
Psychotic disorders
Non-abused
Substance use disorders
Affective disorders
Conduct disorder
Normal
4.9
3.5
3.8
2.1
2.4
2.2
2.0
2.4
1.1
1.8
2.2
1.6
1.3
1.4
1.9
1.4
Reference:
Putnum, Frank W. (1997) Dissociation in Children and Adolescents, A Developmental
Perspective. The Guilford Press.
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