Research
Convergence Data
Real data from 10 controlled trials, with layered convergence extending the research to full-stack. Every chart is generated from the same dataset that produced the SDD methodology — no cherry-picking, no curation. Layer 0 trial data is available in the sdd-trials repository.
10
Trials Completed
30
Applications Built
34
Failure Modes Tracked
9.95
Final Avg Score
Failure Mode Convergence
New failure modes discovered per trial (bars) and cumulative total (line). Convergence = zero new failures at Trial 10.
Score Trajectory
Quality scores across trials. Individual project scores appear from Trial 8 onward (3-project parallel validation).
New Failures Per Trial
Failure modes colored by severity tier. Structural failures dominated early trials; later trials surfaced only cosmetic issues.
Severity Tier Progression
Failure modes organized by severity. Critical structural issues were resolved first; convergence progressed through decreasing severity.
Trial Timeline
Each trial produced a methodology revision addressing discovered failure modes.
Layered Convergence
Trials 1–10 converged at maximum depth on a single stack (Layer 0). Layered convergence extends SDD outward — adding one domain at a time, converging each before moving to the next. The strategy trades breadth for depth: v1.0 cast the widest net, v11.0 went deepest on one stack, and layers 1–8 systematically broaden coverage to full-stack.
| Layer | Domain | Trials | Status |
|---|---|---|---|
| 0 | Backend API | 1–10 | Complete |
| 1 | Frontend | 11–15 | Active |
| 2 | Infrastructure | 16–20 | Pending |
| 3 | Testing | 21–25 | Pending |
| 4 | Data | 26–30 | Pending |
| 5 | Security | 31–35 | Pending |
| 6 | Observability | 36–40 | Pending |
| 7 | Platform | 41–45 | Pending |
| 8 | Integration | 46–49 | Pending |
Layer 0 trial data (Trials 1–10) is open source: github.com/stephendeslate/sdd-trials. Layered convergence data will be published as each layer completes.