SECTION 03 / PAGE 07
RULEFORM STUDY: EXECUTABLE INSTRUCTIONS
INSIGHT DRAWING / REVISION PASSES
Rules written first make revisions disappear.
Median with executable rule
1.4
Revision passes decline as instruction completeness rises
A five bar chart showing median revision passes: verbal cue 7.4, loose note 5.9, checklist 4.2, numbered spec 2.6, executable rule 1.4.
MEDIAN REVISION PASSES BEFORE APPROVAL / 482 RELEASE DRAWINGS
8.0
6.0
4.0
2.0
0
7.4
5.9
4.2
2.6
1.4
VERBAL
CUE
LOOSE
NOTE
CHECKLIST
NUMBERED
SPEC
EXECUTABLE
RULE
SPOTLIGHT BAR:
WRITTEN AS A PROCEDURE
LESS SPECIFIED
MORE SPECIFIED