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Delis-Rating of Executive Functions

Delis-Rating of Executive Functions (D-REF) lets you quickly and easily administer, score, and report the frequency of observed behaviours that identify executive function problems in children and adolescents. Guidance on using this test in your telepractice
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D-REF Q-global 1 Year Scoring Subscription (Digital)
9780749170943 Qualification Level B

Includes unlimited digital scoring and reporting per user within an account for D-REF.
Note: Subscription covers scoring of manually entered data only. On-screen (OSA) or remote on screen (ROSA) administrations require individual usages for scoring & reporting




Publication date:
Age range:
Individuals 5–18 years old
Reading Level:
Year 5

T scores; Composite level 

Qualification level:
Completion time:
5-10 minutes per form
Online (paper available)
Report Options:
Single rater parent, teacher, or child reports; multiple rater reports, progress monitoring report
Guidance on using this test in your telepractice

Product Details

D-REF help clinicians and school psychologists evaluate behavior in a variety of settings.


  • Evaluate children with ADHD-Combined, ADHD-Inattentive, Traumatic brain injury, Autism/Asperger's Syndrome, Neurological/psychiatric disorders, and learning disabilities.
  • Enable the identification of patterns of clinically relevant symptoms.
  • Identify symptoms that create the most stress for the parent, teacher, and child for intervention.
  • Identify symptoms relevant to diagnostic criteria (DSM-IV).
  • Track changes in behavior after intervention.


D-REF include three core indexes and a total composite score based on behavioral, emotional, and cognitive functioning. Four second-level index scores identify patterns of clinically relevant symptoms.

  • Includes parent, teacher, and self-ratings with 36 items that are answered as: Seldom/Never, Monthly, Weekly, or Daily.
  • All index scores are expressed in T score metric. Gender-adjusted T scores are also available.
  • Single- and multi-rater forms statistically compare teacher-parent, teacher-self, or parent-self ratings.
  • Progress monitoring report statistically evaluates change in symptoms between two administrations.
  • Text-to-speech function allows items to be read to the client.
  • Clinical scales have moderate to high levels of internal consistency.
  • Test-retest reliability are consistent over time.
  • Sensitive to common developmental disorders.


Find out how to use this test in your telepractice.

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At a glance

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Summary of D-REF Structure 
Standardization Demographics Sex and Parent Education Level 
Standardization Demographics Ethnicity 

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