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Delis-Kaplan Executive Function System

Delis-Kaplan Executive Function System

D-KEFS
  • Dean C. Delis, PhD
  • Edith Kaplan
  • Joel H. Kramer
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.

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  • Kits

    Starter & complete kits, print & digital

    3 options

    From SGD 714.97
    From SGD 714.97
  • Test forms reports

    Booklets, record forms, answer sheets, report usages & subscriptions

    23 options

    From SGD 17.58
    From SGD 17.58
  • Support materials

    Manuals, stimulus books, replacement items & other materials

    14 options

    From SGD 17.58
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  • All products

    All tests and materials offered for D-KEFS

    38 options

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    - of 55 results
    Prices include GST where applicable
    • ACS D-KEFS Trail Making Response Booklet C#3
      0158896815 Qualification Level C

      Pack of 5

      SGD 17.58

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    • ACS D-KEFS TM Response Booklet C#2
      0158896807 Qualification Level C

      Pack of 5

      Not in stock$0

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    • ACS D-KEFS Manual TM/VF
      0158896564 Qualification Level C

      SGD 223.95

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    • ACS D-KEFS Manual Trail Making & Verbal Fluency
      0158896599 Qualification Level C

      SGD 223.95

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    • ACS D-KEFS Trail Making Response Booklet C#4
      0158896823 Qualification Level C

      Pack of 5

      SGD 17.58

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    • ACS D-KEFS Verbal Fluency Record Form
      0158896831 Qualification Level C

      Pack of 5

      SGD 17.58

      text.product.itembackinstockonpurchaseinfo

    • D-KEFS Alternate Record Forms Qty 25 (Print)
      0158091205 Qualification Level C

      For D-KEFS Sorting, Verbal Fluency, and 20 Questions Tests

      SGD 223.95

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    • D-KEFS BASIC KIT W/ SA SUBSID
      9780158999203 Qualification Level C

      D-KEFS BASIC KIT W/ SA 015809140X

      SGD 1,447.05

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      Estimated to ship:1-2 weeks
    • ACS D-KEFS Verbal Fluency Card
      0158896572 Qualification Level C

      SGD 17.58

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    • D-KEFS Design Fluency Test Response Booklets Qty 25 (Print)
      0158091175 Qualification Level C

      SGD 85.60

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    • D-KEFS Design Fluency Test Record Forms Qty 25 (Print)
      0158091353 Qualification Level C

      SGD 121.60

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS Complete Kit with Soft Case (Print)
      0158091116 Qualification Level C

      Includes Examiner's and Technical Manuals (Print), Stimulus Booklet (Print), Sorting Cards (3 sets of 6 cards each), 1 Tower stand with 5 color disks, 25 Standard Record Forms (Print), 25 Design Fluency Response Booklets (Print), and 25 Trail Making Response Booklet sets (each set contains 25 Response Booklets for the 5 Trail Making conditions) with a softcase

      SGD 1,797.41

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    • D-KEFS DESIGN FLUENCY RB
      0154091170 Qualification Level C

      D-KEFS DESIGN FLUENCY RESPONSE BOOKLET

      SGD 4.32

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    • D-KEFS Color-Word Interference Test Record Forms Qty 25 (Print)
      015809123X Qualification Level C

      SGD 121.60

      text.product.itembackinstockonpurchaseinfo

    • D-KEFS Examiner's Manual (Print)
      0158091310 Qualification Level C

      SGD 351.35

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS Complete Kit (Print)
      0158091108 Qualification Level C

      Includes Examiner's and Technical Manuals (Print), Stimulus Booklet (Print), Sorting Cards (3 sets of 6 cards each), 1 Tower stand with 5 color disks, 25 Standard Record Forms (Print), 25 Design Fluency Response Booklets (Print), and 25 Trail Making Response Booklet sets (each set contains 25 Response Booklets for the 5 Trail Making conditions)

      SGD 1,691.40

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    • D-KEFS Examiner's Manual and Technical Manual (Print)
      0158091124 Qualification Level C

      Includes Examiner's Manual and Technical Manual

      SGD 670.36

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    • D-KEFS Q-global Examiner's Manual (Digital)
      A103000232448 Qualification Level C

      Once ordered, the digital asset is accessible by logging into Q-global and visiting the Q-global Resource Library. It is a view-only digital file.

      SGD 348.04

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    • D-KEFS Q-GLOBAL STIMULUS BOOK (DIGITAL)
      A103000232450 Qualification Level C

      D-KEFS Q-GLOBAL STIMULUS BOOK (DIGITAL)

      SGD 474.44

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    • D-KEFS Proverb Test Record Forms Qty 25 (Print)
      0158091396 Qualification Level C

      SGD 121.60

      text.product.itembackinstockonpurchaseinfo

    • D-KEFS Q-global Stimulus Book and Administration Directions (Digital)
      A103000232456 Qualification Level C

      SGD 474.44

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    • D-KEFS Q-GLOBAL STIMULUS BOOK ADMINISTRATION DIRECTIONS (DIGITAL)
      A103000232451 Qualification Level C

      D-KEFS Q-GLOBAL STIMULUS BOOK ADMINISTRATION DIRECTIONS (DIGITAL)

      SGD 474.44

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    • D-KEFS ALT SORTING TEST SET 3
      0154091278 Qualification Level C

      D-KEFS ALTERNATE SORTING TEST SET 3

      SGD 180.99

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    • D-KEFS SC KIT & SA CD SUBSID
      9780158999210 Qualification Level C

      D-KEFS SC KIT & SA CD 0158091426

      SGD 1,595.51

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:1-2 weeks
    • D-KEFS STD SORT TEST SET 1
      0154091251 Qualification Level C

      D-KEFS STANDARD SORTNG TEST SET 1

      SGD 180.99

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    • D-KEFS STD SORT TEST SET 2
      015409126X Qualification Level C

      D-KEFS STANDARD SORTNG TEST SET 2

      SGD 180.99

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    • D-KEFS Q-global Technical Manual (Digital)
      A103000232449 Qualification Level C

      Once ordered, the digital asset is accessible by logging into Q-global and visiting the Q-global Resource Library. It is a view-only digital file.

      SGD 348.04

      text.product.itembackinstockonpurchaseinfo

    • D-KEFS ALT SORTING TEST SET 4
      0154091286 Qualification Level C

      D-KEFS ALTERNATE SORTING TEST SET 4

      SGD 180.99

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    • D-KEFS SC TAG
      0158091302 Qualification Level C

      D-KEFS SOFTCASE TAG

      SGD 7.48

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    • D-KEFS Sorting Test Alternate Card Sets Qty 3 (Print)
      0158091213 Qualification Level C

      Includes 3 sets of 6 cards each

      SGD 180.99

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:1-2 weeks
    • D-KEFS SORTING TEST PRACT SET
      0154091243 Qualification Level C

      D-KEFS SORTING TEST PRACTICE SET

      SGD 180.99

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    • D-KEFS Stimulus Book (Print)
      0158091132 Qualification Level C

      Includes Trail Making, Verbal Fluency, Design Fluency, Color-Word Interference, Sorting, Twenty Questions, Word Context, Tower, and Proverb

      SGD 479.09

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      Estimated to ship:3-4 weeks
    • D-KEFS Sorting Test Standard Record Forms Qty 25 (Print)
      0158091221 Qualification Level C

      SGD 121.60

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS Standard Record Forms Qty 25 (Print)
      0158091159 Qualification Level C

      Includes Trail Making, Verbal Fluency, Design Fluency, Color-Word Interference, Sorting, Twenty Questions, Word Context, Tower, and Proverb

      SGD 402.61

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS Sorting Test Standard Card Sets Qty 3 (Print)
      0158091183 Qualification Level C

      Includes 2 sets of standard Sorting Cards and 1 practice set

      SGD 180.99

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:1-2 weeks
    • D-KEFS REC FM
      0154091154 Qualification Level C

      D-KEFS RECORD FORM

      SGD 13.78

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    • D-KEFS Tower Test Record Forms Qty 25 (Print)
      0158091388 Qualification Level C

      SGD 121.60

      text.product.itembackinstockonpurchaseinfo

    • D-KEFS SUB-ASSEMBLY
      0154091111 Qualification Level C

      D-KEFS SUB-ASSEMBLY

      SGD 130.06

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    • D-KEFS Trail Making Test Condition 2 Response Booklets Qty 25 (Print)
      0158091469 Qualification Level C

      SGD 69.51

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS Trail Making Test Condition 4 Response Booklets Qty 25 (Print)
      0158091485 Qualification Level C

      SGD 69.51

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS SUB-ASSEMBLY BOX LABEL
      0154091103 Qualification Level C

      D-KEFS SUB-ASSEMBLY BOX LABEL

      SGD 0.00

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    • D-KEFS Technical Manual (Print)
      0158091329 Qualification Level C

      SGD 351.35

      text.product.itembackinstockonpurchaseinfo

    • D-KEFS Trail Making Test Condition 1 Response Booklets Qty 25 (Print)
      0158091450 Qualification Level C

      SGD 69.51

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS Tower Test with Set of Blue Disks Qty 5
      0158091140 Qualification Level C

      SGD 351.35

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS Trail Making Test Response Booklets Conditions 1-5 Forms Bundle Qty 25 (Print)
      0158091191 Qualification Level C

      Includes 25 Response Booklets for each Condition

      SGD 308.88

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    • D-KEFS TRAIL RESP BKLTS COMBO SUBSID
      9780158999197 Qualification Level C

      D-KEFS TRAIL RESP BKLTS COMBO 0158091191

      SGD 308.88

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:1-2 weeks
    • D-KEFS Verbal Fluency Test Record Forms Qty 25 (Print)
      0158091345 Qualification Level C

      SGD 121.60

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS TRAIL RESP BK C1
      0154091456 Qualification Level C

      D-KEFS TRAIL RESPONSE BOOKLET C1

      SGD 2.66

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    • D-KEFS Trail Making Test Record Forms Qty 25 (Print)
      0158091337 Qualification Level C

      SGD 78.81

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS Trail Making Test Condition 3 Response Booklets Qty 25 (Print)
      0158091477 Qualification Level C

      SGD 69.51

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS VERBAL FLUENCY REC FM
      0154091340 Qualification Level C

      D-KEFS VERBAL FLUENCY RECORD FORM

      SGD 4.32

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    • D-KEFS Word Context Test Record Forms Qty 25 (Print)
      015809137X Qualification Level C

      SGD 121.60

      text.product.itembackinstockonpurchaseinfo

    • D-KEFS Trail Making Test Condition 5 Response Booklets Qty 25 (Print)
      0158091493 Qualification Level C

      SGD 69.51

      text.product.itembackinstockonpurchaseinfo

      Estimated to ship:3-4 weeks
    • D-KEFS Twenty Questions Test Record Forms Qty 25 (Print)
      0158091361 Qualification Level C

      SGD 121.60

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    • DKEFS Q-interactive Starter Kit
      QNTRDKEFSKIT Qualification Level C

      Includes:

      • Trail Making Test Condition 1 Response Booklets, Print (25)
      • Trail Making Test Condition 2 Response Booklets, Print (25)
      • Trail Making Test Condition 3 Response Booklets, Print (25)
      • Trail Making Test Condition 4 Response Booklets, Print (25)
      • Trail Making Test Condition 5 Response Booklets, Print (25)
      • Design Fluency Test Response Booklets, Print (25)
      • Stimulus Book (Print)

      SGD 714.97

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    - of 55 results

    Overview

    Age range:
    Ages 8 through 89 years

    Publication date:
    2001

    Qualification level:
    C

    Qualification Level

    Level A

    This approval level enables you to buy our assessments that require no professional degree, accreditation, organization membership, or license/certificate.

    Level B

    This approval level enables you to buy our assessments requiring A or B qualification levels.

    Level C

    This approval level enables you to buy all our assessments.

    Completion time:
    Variable depending on subtest selected: full battery 90 minutes

    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.

    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

    • Assess the integrity of the frontal system of the brain.
    • Determine how deficits in abstract, creative thinking may impact daily life.
    • Plan coping strategies and rehabilitation programs tailored to each patient's profile of executive-function strengths and weaknesses.
    • Choose from two forms: Standard and Alternate.
    • Generate D-KEFS score reports faster and easier with D-KEFS Scoring Assistant® software.

    Features

    The 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.

    • Standard Record Forms, including all nine D-KEFS tests.
    • Alternate Record Forms, including alternate versions of D-KEFS Sorting, Verbal Fluency, and 20 Questions tests.
    • Alternate set of Sorting Cards available.
    • Subtests can be recorded and scored as a complete battery or as individual subtests.

    Correlates with CVLT-II

    D-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.

    Telepractice

    Find out how to use this test in your telepractice.

    Learn more

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