Delis-Kaplan Executive Function System
D-KEFS- The Delis-Kaplan Executive Function System™ (D-KEFS™) is the first nationally standardized set of tests to evaluate higher level cognitive functions in both children and adults. Guidance on using this test in your telepractice.
D-KEFS Stimulus Book (Print)
0158091132 Qualification Level CIncludes Trail Making, Verbal Fluency, Design Fluency, Color-Word Interference, Sorting, Twenty Questions, Word Context, Tower, and Proverb
Ordering
Overview
- Publication date:
- 2001
- Age range:
- Ages 8 through 89 years
- Scores/Interpretation:
- Variable depending on subtest
- Qualification level:
- C
- Completion time:
- Variable depending on subtest selected: full battery 90 minutes
- Scoring options:
- Scoring Assistant software, hand-scoring
- Report Options:
- Score report
- Norms:
- Normed on over 1,500 individuals demographically and regionally matched with the U.S. population
- System requirements:
- Software-based scoring and reporting is compatible with Windows XP, Vista, & 7 only.
- Administration Format:
- Digital (Q-interactive), Paper-and-pencil
- Telepractice:
- Guidance on using this test in your telepractice
Product Details
D-KEFS assesses the key components of executive functions believed to be mediated primarily by the frontal lobe. With nine stand-alone tests, D-KEFS allows examiners to comprehensively assess the key components of executive functions within verbal and spatial modalities. Benefits
FeaturesThe D-KEFS game-like format is engaging for examinees, encouraging optimal performance without providing "right/wrong" feedback that can create frustration in some children and adults.
Correlates with CVLT-IID-KEFS is correlated with the CVLT-II, providing information concerning the role of memory on D-KEFS performance. An important study by Bohnen, Twijnstra, and Jolles (1992) was noted (p. 21) and referenced (p. 385) In the D-KEFS Examiner’s Manual (Delis, Kaplan, & Kramer, 2001). In this study, Bohnen et al. collected data from 10 patients (in the Netherlands) who had sustained mild TBIs with post-concussive symptoms that lasted longer than 3 months (the Persistent PCS group) and compared them to mild TBI patients who had recovered from their PCS symptoms after 3 months (the Recovered group). Bohnen et al. (1992) initially demonstrated that the Persistent PCS group performed significantly worse than the Recovered Group on a modified Stroop task that incorporated a switching procedure. Dr. Manolo Sedo of Spain recently brought to our attention a second study by Bohnen, Jolles, and Twijnstra (1992), in which patients with acute mild TBI (6 to 14 days post injury) performed significantly worse than a match control group on the modified Stroop task that incorporated a switching procedure. We wish to thank Dr. Sedo for drawing our attention to this important study. Bohnen, N., Twijnstra, A., & Jolles, J. (1992). Performance in the Stroop color word test in relationship to the persistence of symptoms following mild head injury. Acta Neurologica Scandinavica, 85(2), 116–121. Bohnen, N., Jolles, J., & Twijnstra, A. (1992). Modification of the Stroop color word test improves differentiation between patients with mild head injury and matched controls. The Clinical Neuropsychologist, 6(2), 178–184. |
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Q-interactive
D-KEFS on Q-interactive at a Glance: (Select subtests available)Available With
Subtests Available
Subtest Pricing
Scoring and Reporting
Materials Needed Benefits of D-KEFS on Q-interactive
How Can I Buy D-KEFS on Q-interactive?New customers:Annual Q-interactive licenses can be purchased using our online order form or by calling Customer Support at 1-866-335-8418. See the Q-interactive license options for more information on pricing. Current Q-interactive customers:If you want to add the D-KEFS to your account, visit our online order form and select the "Add test(s) to existing account" option. You may also call Customer Support at 1-866-335-8418. |
Webinars
The following training events are available for D-KEFS. |