Stage 4 · Practical applications, projects and process improvement
Editorial proposal for voluntary self-study, not an official enrollment, class schedule or accredited program. Months are relative to your chosen starting point; no attendance requirement or live teacher is announced. All cases and figures are fictional. Keep exercises locally; these pages collect no submissions.
A learning project needs a problem, boundary, deliverables, evidence and review. Keep the case fictional and avoid real account connections to demonstrate an idea.
Fictional case
Fictional stationery shop wants organized requests for three products. Scope: one source sheet, five invented requests, a checklist and two replies. Excluded: payments, automated messages and account access.
Local activity
Create five unique-ID requests, including a missing quantity and unknown product. Map the process and prepare the four deliverables.
Missing quantity and unknown product must pause for clarification. Coherent deliverables use the same codes and data. A verifiable manual demo fits the scope; do not present it as a connected production system.
Keep your draft, corrections and a note explaining what changed. This is local self-review, not an academic pass.
Define test input and expected output first. Include missing and repeated inputs, and check that no unauthorized action is confirmed. Timing comparisons require equivalent tasks and conditions.
Fictional case
Fictional test: before, five tasks took30 minutes with2 corrections; after, five comparable tasks took25 minutes with1 correction. Another case is incomplete.
Local activity
Create tests for normal input, missing data, unknown product and duplicate. Calculate timing/correction differences and write a limited conclusion.
Difference30−25=5 minutes; descriptive reduction5/30≈16.7%. Corrections fell from2 to1 in this sample. This guarantees neither future gains nor causation. The incomplete case remains pending and must not count as completed.
Keep your draft, corrections and a note explaining what changed. This is local self-review, not an academic pass.
Month 12 · Deliver a reviewable portfolio and improvement plan
A useful portfolio includes fictional sources, decisions, versions, tests, limits and next steps. Separate executed work from proposals. Self-review does not replace an authorized academic assessment.
Fictional case
Fictional project with source sheet, five requests, checklist, replies and test table from months10–11. No real system or customers served.
Local activity
Create an index, a done/pending/excluded page and three prioritized improvements. Check consistency and sensitive data. Explain the project in five sentences without promising outcomes.
Done: documented materials and manual tests. Pending: clarify incomplete data and review assumptions. Excluded: charging, outreach and production automation. Improvements need evidence and a proposed owner. Completing this portfolio issues no certificate or benefit.
Keep your draft, corrections and a note explaining what changed. This is local self-review, not an academic pass.
Stage review
Can another person reproduce your calculation and distinguish source facts, unknowns and proposals? Correct any unsupported claim. Preserve fictional identifiers and do not replace them with customer data.
