Psychometric properties of measures of motivation and engagement after acquired brain injury.

This study investigated psychometric properties of the Motivation for Traumatic Brain Injury Rehabilitation Questionnaire (MOT-Q), the Brain Injury Rehabilitation Trust Motivation Questionnaire-Self (BMQ-S), the Rehabilitation Therapy Engagement Scale-Revised (RTES-R), and the BMQ-Relative (BMQ-R) in individuals with an acquired brain injury (ABI).Thirty-nine patients with an ABI completed the MOT-Q, BMQ-S, measures of apathy (Apathy Evaluation...