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CDS™

Carroll Depression Scales

Bernard Carrol, M.B., Ph.D.

Measure the presence and severity of depressive symptoms for individuals who are age 18 and older


CDS™

Overview

Overview

The CDS provides a dependable measure of the presence and severity of depressive symptoms so that treatment plans can be developed to effectively target an individual’s needs. It is useful in general and specialty medical settings as well as in mental health settings. The straightforward “Yes”/”No” response format makes it easy for adult patients and elderly individuals to complete.

Key Areas Measured


Key Areas Measured

  • Major Depression
  • Dysthymic Disorder
  • Melancholic Features
  • Atypical Features

Quick Reference

Age

Age

18 and Older

Administration Type

Administration Type

Self

Administration Time

Administration Time

CDS-R: 20 Minutes
Brief CDS: 5 minutes

Number of Items

Number of Items

CDS-R: 61
Brief CDS: 12

Qualification Level

Qualification Level

B

Format(s)

Format(s)

Software (Administration & Scoring)

Complementary Tools

Complementary Tools

DTS
POMS 2®

Quick Reference

Age

Age

18 and Older

Administration Type

Administration Type

Self

Administration Time

Administration Time

CDS-R: 20 Minutes
Brief CDS: 5 minutes

Number of Items

Number of Items

CDS-R: 61
Brief CDS: 12

Qualification Level

Qualification Level

B

Format(s)

Format(s)

Software (Administration & Scoring)

Complementary Tools

Complementary Tools

DTS
POMS 2®

Reports

Reports

How To Use

How To Use

Reliability and Validity

Reliability and Validity

Profile Reports summarize the results of an individual administration, providing scores for all scales.

The CDS scales consist of two components: the Carroll Depression Scale–Revised (CDS–R) and the Brief Carroll Depression Scale (Brief CDS). The Brief CDS is ideal for use as a screening instrument or for repeat testing to measure progress during treatment. The CDS–R and Brief CDS are available in handscored and software format. With the handscored format, CDS–R and Brief CDS QuikScore Forms allow for simple score calculation. With the software format, Profile Reports can be instantly generated for each CDS–R or Brief CDS administration. Reports Profile Reports present scores graphically and numerically to summarize each CDS–R or Brief CDS administration.

Reliability

The test-retest reliability for the CDS was a mean score of 17.1, SD= 11.5. On the second rating of each pair, the mean CDS score was 16.5, SD = 11.7.

Validity

In the 559 depressed patients studied within the Duke Mental Health Clinical Research Centre, the CEDS—D scale total score correlated with the CDS total score at a highly significant level (r = +0.67:p < 0.0001).

The normative sample consisted of 959 inpatients and outpatients who were diagnosed with Major Depression and 248 nonclinical individuals.