Hart , PhD, Moss TBI Model System at
Citation Hart, T. (2008). The
Moss Attention Rating Scale. The Center for Outcome Measurement
in Brain Injury. http://www.tbims.org/
combi/mars ( accessed
Frequently Asked Questions
What if a MARS item mentions a behavior I have never directly observed?
For example, how do I score the items that have to do with verbal
behavior if the patient is non-verbal or aphasic?
We have always encouraged clinicians to “take their best guess”
under these conditions, rather than leave an item blank. The scale
has been shown to be reliable across disciplines under this instructional
Can I use the MARS with an outpatient sample?
There is no reason not to use the MARS with outpatients although
validation studies to date have been on rehabilitation inpatients.
We would be very interested to know about outpatient data on the
Can I use the MARS with patients who did not have a TBI?
There is no reason why not, although again, validation studies have
been done with samples having TBI only. Again, we would be very
interested in MARS data collected on other populations.