PLAN
Establish the objectives and processes necessary to deliver results in
accordance with the expected output.
DO
Implement the new processes. Often on a small scale if possible,
to test possible effects.
CHECK
Measure the new processes and compare the results against the
expected results to ascertain any differences.
ACT
Analyze the differences to determine their cause. Each will be part of
either one or more of the P-D-C-A steps.
