Attention: Website will be undergoing maintenance starting 8 am EDT on April 29, 2017 until 8 am EDT May 1, 2017. Online purchasing will not be available during this period. Items pending in shopping carts will be cleared after this maintenance period therefore users are advised to complete pending purchases prior to start of this maintenance period.

Coddington Life Events Scales

R. Dean Coddington, M.D.


The CLES is a self-report measure that helps determine how specific events have affected a child's personal growth and adjustment. Results identify areas that may require further investigation. There is a pre-school (CLES–P), child (CLES–P), and adolescent (CLES–A) versions, each taking 15 minutes to complete.

How to Use the Assessment
The scales allow clinicians to easily identify actual and potential physical and mental health problems arising from psychological causalities. By measuring significant life events in terms of Life Change Units (LCUs), the CLES can provide insight into recent events that may be affecting the respondent’s health. The CLES scales also take into account the different kinds of life challenges that are faced by children of different ages. There are three scales and the items included on each refer to events that children of the particular age group may have experienced. Each form produces a Life Change Unit score that is applied to Risk Evaluation cut-off guidelines. Back to the top

Scales & Forms

  • Life Events
Back to the top


Author R. Dean Coddington, M.D.

Age Range Age 5 years and under (preschool), 6–12 years (child), 13–19 years (adolescent)

Administration Time 10–15 minutes

Administration Type
  • Self-Report
  • Assisted Self-Report
Qualification Level B

  • Handscored