Children’s Depression Inventory


The Children’s Depression Inventory is a scale that was developed by Maria Kovacs and her colleagues in 1979 to measure symptoms of depression in children between the ages of six and 18. The CDI-C is a 132-item list with three subscales: somatic complaints, cognitive/affective symptoms, and interpersonal difficulties. It’s important for parents or guardians to know if their child is experiencing any depressive symptoms because it can be an indication that they need more help managing all aspects of their life from schoolwork to family relationships. 

In order to increase awareness about mental health disorders among young people, Children’s Depression Inventory has been translated into 30 languages including English and Spanish so as many people as possible can take it without the language barrier.

How Does Children’s Depression Inventory Help People?

children's depression inventory

The Children’s Depression Inventory (CDI) is a psychometric measure for diagnosis and treatment planning in children and youths. The CDI is used for the observation of symptoms and severity, the detection of depression, differentiating between other emotional problems, evaluating treatments. It can be administered to clients from four years old up to 18 years old.

The Children’s Depression Inventory has proven to be a reliable and valid measure of depression in youth, with good psychometric properties. It is easy to administer and takes only 10-15 minutes to complete. The CDI has been shown to be sensitive to change, making it an effective tool for monitoring the progress of treatment.

The benefits of this questionnaire lie in the fact there are so few questions to answer, which makes it fast for both parent and child alike. It can also be used as an educational intervention by answering the questions with your child, after which you will get an idea of whether your child’s experiences warrant any action or not. 

Finally, it can serve as a gauge on how parents and kids communicate with each other and how much parental knowledge they have on their child’s behaviour patterns.

The CDI user’s manual includes thorough information on psychometrics, norms, and item development. The manual also contains a number of important charts relating to reliability, constructs, and other topics. The scales of the Children’s Depression Inventory are described in detail, including examples of sample tests and tables of data and information.

The CDI’s administration procedure is simple and straightforward. Information and directions on how to score the CDI, as well as how long it takes people to finish it, are straightforward, precise, and easy to comprehend. Scoring time is 5–10 minutes, and completing the CDI takes 15 minutes or less for most people.

Reliability of Children’s Depression Inventory

The Cronbach’s alpha was used to assess the reliability of the results. Internal consistency was good, with alphas ranging from 0.71 to 0.89 among one group of nine studies. The test adequately reflects depressive symptoms. Alpha measures were reported as 0.38–0.87 in a group of 16 test-retest reliability studies.

Internal consistency reliability alpha estimates for the short factor subscales were 0.59 to 0.68, according to another paper on reliable tests. Furthermore, studies have shown that the reliability of the Kuder-Richardson procedure is moderate to high. One study used the internal consistency Kuder-Richardson test and obtained robust findings.

Correlating the CDI and factors of the CDI with comparable psychological tests for children and/or youth has shown moderate to high correlations, whereas other research have revealed no connections (in certain areas).

The CDI has a solid record of validity. Construct validity, as well as discriminant and discriminant validities, have already been validated. To establish discriminant validity between cases that were “normal” and those that were “clinical,” Kovacs utilized experimental design. Despite this, there are studies that have found discriminant validity and others that haven’t. In 1992, Kovacs noted that further research on discriminant validity was required.

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