100-Metodos-de-Qualidade-Total

184 100 METHODS FOR TOTAL QUALITY MANAGEMENT
Method 80
Is/is not matrix
Purpose
To identify patterns in observed characteristics by a structured form of
stratification.
When to use
In teams, when trying to identify a problem precisely by organizing available
knowledge and ideas about the problem. This is/is not matrix asks a series of
questions that aim to pinpoint the problem, so guiding data collection.
Description
of
problem
Is
(where,when, to
what extent
or to whom
does it occur)
Is not
(where, when
etc. does it
not occur
when it could)
Therefore
(what might
explain the
pattern)
Where
(the location
where it is
noticed)
When
(the day, hour
month or
event:
the relation
to other events)
What kind or
how much
(the type or
category,
degree, size)
Who
(Groups or
individuals
present or
near the
event)
Figure 1
Example of is/is not matrix