01 · Purpose
Why and when to use it
Use a form when observations require manual recording or when different observers need the same capture structure.
Who takes part?
The measurement owner works with people who understand the process and the recorded data. Statistical or measurement-system decisions should involve someone able to check the assumptions and study design.
02 · Application
How to apply it
Start with an agreed measurement purpose, explicit units and trustworthy observations. Identify missing cases and assumptions before calculating.
- List mandatory fields and allowed values.
- Include identifiers, time, units and relevant context.
- Separate unknown values from true zeros.
- Add concise instructions and exception codes.
- Trial the form during real work and remove ambiguity before wider collection.
03 · Example
A worked measurement example
Original fictional teaching example. Small datasets illustrate the method; they are not proposed as sufficient study sizes. Supplied parameters are assumptions, not estimates from a real process.
| Field | Example value | Instruction |
|---|---|---|
| Observation ID | OBS-001 | Unique identifier; avoid personal names |
| Duration (minutes) | 7.5 | Start at released order; end at completed packing |
| Shift | B | Use agreed shift code |
| Exception | NA: missing start | Do not enter zero for missing duration |
04 · Interpretation
What the result tells you
A useful form prevents ambiguity at capture. It also preserves exceptions that would otherwise disappear during transcription.
Completion check: A tested recording form with clear instructions and exception handling.
05 · Judgement
Mistakes and limitations
Do not add fields that have no purpose, confuse empty cells with zeros or make the form impractical during busy periods. Digital validation cannot guarantee that an observation is true.
07 · Reading
Sources and further reading
The tool list follows the accepted LeanTrainingLab overview and its reference to Six Sigma+Lean Toolset, second edition (Lunau, editor; Springer, 2013). The book chapters were not available for direct review during this build. Explanations, examples and worksheets are original teaching material. Further reading supplies professional background; local conventions are stated explicitly.