Companion slides to the QC Seven Tools · Check Sheet article; ready for internal training or re-branding with your logo and forms.
30–45 min: align operational definitions, then draft one pilot sheet; each group defines three defect types and record granularity.
Optional 20-min fill exercise with sanitized line data to converge on coding rules.
Too many columns invite tick-box fatigue; high "other" share means redesign the collection plan.
Check sheets support analysis — they are not blame tools.