Abstract
We developed a Japanese version of the Moss Attention Rating Scale (MARS) , a behavior observational rating scale for patients with attention deficit after traumatic brain injury, and examined its reliability and validity. The participants were 32 patients with attention disorder after traumatic brain injury. They were rated on the MARS by their treating physical therapist, occupational therapist, speech therapist, clinical psychotherapist, nurse and care worker. To examine the reliability of the MARS, we investigated both intra-rater and inter-rater reliability in the MARS scores (22-item version) and factor scores. To examine its validity, we investigated both criterion-related and the construct validity by means of neuropsychological tests. The 22-item MARS showed high intra-rater and inter-rater reliability (ICC>0.80) , and its factor scores showed moderately high intra-rater and inter-rater reliability (ICC>0.04) . Criterion-related and construct validity were both confirmed. These findings suggested that the MARS is a scale that can be used in many rehabilitation disciplines and is useful for the detection of attention deficits.