Related Experiment Video
Updated: Jan 23, 2026

Author Spotlight: Advancing Traumatic Brain Injury Research - A Closed-Head Model for Accurate Replication and Rapid Assessment
Published on: September 22, 2023
Validity Assessment in Traumatic Brain Injury Impairment and Disability Evaluations
Nathan D Zasler1, Scott D Bender2
1Concussion Care Centre of Virginia, Ltd, Tree of Life Services, Inc, 3721 Westerre Parkway, Suite B, Richmond, VA 23233, USA; Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond, VA, USA; Department of Physical Medicine and Rehabilitation, University of Virginia, Charlottesville, VA, USA; International Brain Injury Association, Alexandria, VA, USA.
Abstract:
This article provides an overview of validity assessment in persons with traumatic brain injury including evaluation caveats. Specific discussion is provided on post-concussive disorders, malingering, examination techniques to assess for validity, response bias, effort and non-organic/functional presentations. Examinee and examiner biases issues will also be explored. Discussion is also provided regarding judicial trends in limiting examiner scope of testing and/or testimony, and risk of liability when providing expert witness opinions on validity of examinee presentations. The hope is to encourage physiatrists to become more aware and skilled in validity assessment given its importance in differential diagnosis of impairment following traumatic brain injury.
Related Concept Videos
Intellectual Disability
Learning Disabilities
Dyslexia
Dyslexia is a...
Reliability and Validity
Traumatic Memory
Data Validation
Nursing assessment guides are generally based on holistic models rather than medical...
Data Validation
Key parameters for method validation include:

