16.  Based on the study’s data collection methods, If there were more than one data collector, would an estimation of inter-rater reliability be an important concept for the authors to report on for this study?

 a.  yes, and the authors reported their efforts to achieve inter-rater reliability.  

b.  yes, but the authors do not discuss any efforts to achieve inter-rater reliability.

c.  no, the issue of inter-rater reliability does not apply here.