128 Root Cause Analysis: Improving Performance for Bottom-Line Results
You will notice that People and Position are tied for rst. This is not an accident.
As we discussed earlier in this chapter, the need to interview observers is immediate
in order to obtain direct observation. Positional information is equally important
because it is the most likely to be disturbed the quickest. Therefore, attempts to get
such data should be performed immediately. Parts are second because if there is not
a plan to obtain them, they will typically end up in the trash can. Paper data is gener-
ally static with the exception of process or on-line production data (DCS, SPC/SQC).
Such technologies allow for automatic averaging of data to the point that if the ...