Telehealth and the D-KEFS
The telehealth information in this document is intended to support psychologists in making informed, well-reasoned decisions around remote assessment. This information is not intended to be comprehensive regarding all considerations for assessment via telehealth. It should not be interpreted as a requirement or recommendation to conduct assessment via telehealth.
Psychologists should remain mindful to:
- Follow professional best practice recommendations and respective ethical codes
- Follow telehealth regulations and legal requirements from federal, state, and local authorities; licensing boards; professional liability insurance providers; and payors
- Develop competence with assessment via telehealth through activities such as practicing, studying, consulting with other professionals, and engaging in professional development
Psychologists should use their clinical judgment to determine if assessment via telehealth is appropriate for a particular examinee, referral question, and situation. There are circumstances where assessment via telehealth is not feasible and/or is contraindicated. Documentation of all considerations, procedures, and conclusions remains a professional responsibility.
Several professional organizations and experts have provided guidance on telehealth assessment (American Psychological Association Services [APA Services], 2020; Grosch et al., 2011; Inter Organizational Practice Committee, 2020; Stolwyk et al., 2020) to assist psychologists in decision making and ethical and legal practice issues.
The Delis–Kaplan Executive Function System (D–KEFS™; Delis, Kaplan, & Krammer, 2001) is a set of nine, higher level cognitive tests that require examiner instructions and feedback throughout administration. The D–KEFS can be administered in a telehealth context by using digital tools from Q-global®, Pearson’s secure online testing and scoring platform. Q-global provides digital assets (e.g., the D–KEFS stimulus book) that can be shown to the examinee via the screen-sharing features of its teleconference platform. Details regarding Q-global and how it is used are provided on the Q-global product page.
Several of the D–KEFS tests lend themselves well to telehealth evaluations because the only visual stimuli shown are written sentences and only require the examinee to make verbal responses. These measures include the D–KEFS Verbal Fluency Test, Word Context Test, and Proverb Test. In addition, the Color–Word Interference Test and Twenty Questions Test may be administered remotely if the stimuli can be displayed accurately; however, this requires verification of orientation, color, and font size. Other D–KEFS tests are not easily adapted to telehealth evaluations because they require the examinee to draw on record forms or use manipulatives. These measures include the D–KEFS Trail Making Test, Design Fluency Test, Sorting Test, and Tower Test. For these tests, a professional or nonprofessional facilitator may be needed to optimize assessment accuracy, especially for examinees with lower cognitive abilities.
Although some options are available for administering the D–KEFS via telehealth, it is important to consider that the normative data were collected via face-to-face assessment. Telehealth is a deviation from the standardized administration, and the methods and approaches used in telehealth administration should be supported by research and practice guidelines when appropriate.
Providers engaging in telehealth assessment may train facilitators to work with them on a regular basis in order to provide greater coverage to underserved populations (e.g., only two providers within a 500-mile radius, shortage of school psychologists within a school district). If such a facilitator is well trained and in a professional role (i.e., a professional facilitator), they can present the response booklet as well as adjust audiovisual equipment. While this approach yields the same D–KEFS scores that are available in face-to-face assessment mode, clinical judgment is required to determine the validity of this administration method given the lack of direct evidence for the equivalence of D–KEFS scores across modalities. If a professional facilitator is not used, it may increase measurement error, particularly for some tests, and therefore may impact the validity of the derived scores.
A key variable in determining whether or not a trained facilitator is needed for telehealth assessment is the level of cognitive functioning of the examinee. For younger children, older adults, and individuals with significant neurological or psychiatric disorders, a trained facilitator will likely be needed, especially for tests that require drawing on record forms or use of manipulatives. In contrast, for individuals with higher levels of overall cognitive functioning, a trained facilitator may not be needed. Again, clinical judgment is required to determine the need for using a trained facilitator; the decision of whether or not to use a facilitator and its impact on the validity of the assessment should be explicitly addressed in the practitioner’s report.
Another variable in determining whether or not it is safe or feasible to use a trained facilitator is the need for social distancing (e.g., during a recent outbreak of COVID-19). If testing must occur under these conditions, it is possible that the examinee may participate without the help of an onsite facilitator. If the examiner determines that a facilitator is not required, the examinee can assist with technological and administrative tasks during testing and should be oriented to these responsibilities prior to, and again at the beginning, of the session. An initial virtual meeting should occur in advance of the testing session to address numerous issues specific to testing via telehealth. This initial virtual meeting is described in the administrative and technological tasks portion of the Examiner Considerations section and referred to in various sections of this document. The examiner should consider best practice guidelines, the referral question, and the examinee’s level of cognitive functioning and overall clinical condition, as well as telehealth equivalence study conditions, to determine if this is possible and appropriate. Again, independent examinee participation may not be possible or appropriate, for example, for examinees with lower cognitive ability or with lower levels of technological literacy and experience.
If the examiner determines that the examinee cannot participate independently, and testing must occur under social distancing constraints, another option is to enlist the assistance of someone in the examinee’s home (e.g., a parent, guardian, or caretaker). If the onsite facilitator is not in a professional role (i.e., nonprofessional facilitator), they can assist with technological and administrative tasks during testing and should be oriented to these responsibilities in the initial virtual meeting and again at the beginning of the session.
Professional and nonprofessional facilitators should be in the testing room only for those tests that require their ongoing assistance (e.g., the Tower Test). The examiner should plan to minimize (as much as possible) the need for the facilitator to remain in the room. In rare cases when the facilitator must remain in the room, they should do so passively and unobtrusively, and merely to monitor and address the examinee’s practical needs, as well as any technological or administrative issues as necessary. The facilitator’s role should be defined clearly by the examiner before the testing session. The facilitator should only perform those functions the examiner approves and deems necessary. The extent to which the facilitator assisted with the administration of the tests should also be discussed in the practitioner’s report. In any case, if a facilitator is necessary, it is preferred that the facilitator remain accessible.
The response booklets contain the response forms for the Trail Making and Design Fluency tests. Response booklets are required for the administration of these tests. Because of the timing and immediate corrective feedback requirements of these tests, these subtests should be administered with a trained facilitator for most examinees, except for those individuals with higher levels of cognitive skills. Again, the practitioner’s clinical judgment is needed to make this determination, and the assessment procedures used should be discussed in the report.
Conducting Telehealth Assessment
Conducting a valid assessment in a telehealth service delivery model requires an understanding of the interplay of a number of complex issues. In addition to the general information on Pearson’s telehealth page, examiners should address five factors (adapted from Eichstadt et al., 2013) when planning to administer and score assessments via telehealth.
Conclusion
The D–KEFS was not standardized in a telehealth mode, and this should be taken into consideration when using this test via telehealth and interpreting results. For example, the examiner should consider relying on convergence of multiple data sources and/or being tentative about conclusions. Provided that the examiner has thoroughly considered and addressed the factors and the specific considerations as listed above, the examiner should be prepared to observe and comment about the reliable and valid delivery of the test via telehealth. Materials may be used via telehealth without additional permission from Pearson in the following published contexts:
- D–KEFS manual, digital stimulus book, and response booklets via Q-global
- D–KEFS via Q-interactive (requires advanced technology skills and mirroring software)
Any other use of the D–KEFS via telehealth is not currently recommended. This includes, but is not limited to, scanning the paper stimulus books, digitizing the paper record forms, holding the stimulus books physically up in the camera’s viewing area, or uploading a manual onto a shared drive or site.
References
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A customer reflects on using Q-global digital stimulus books and manuals:
Q-Global has been a great solution for us. Managing testing materials between a variety of sites and districts could be very tricky. The online testing materials have completely resolved any access challenges we faced. Observing and recording the client's response through telehealth continues to require a good deal of coordination- particularly for pointing activities. However, the clinician being able to directly manage test stimuli and present them to the client through screen share technology makes that process much less cumbersome.
Thank you for being so proactive with making your tools accessible to telepractitioners!
Nate Cornish, MS, CCC-SLP
Clinical Director
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