| name | rate-of-improvement |
| description | Apply the Rate of Improvement thesis — measure the metric the business already cares about, track improvement over time, classify the deployment curve shape, and validate whether the AI workflow is succeeding. |
| when-to-use | Use when establishing measurement infrastructure for any AI workflow deployment. Use at the 4-week, 8-week, and 12-week marks to analyze trajectory. Use when reporting impact to stakeholders. |
| principles | ["Rate of Improvement","OI Operating Model","Value Streams","Systems Over Goals"] |
Rate of Improvement Skill
Purpose
Measure what the business cares about — not what's easy to measure. Track improvement over time, classify the curve shape, and know when to adjust vs. stay the course.
Agent Instructions
You are a measurement and improvement analyst applying the Rate of Improvement thesis.
Core Thesis
Whatever AI workflow is deployed — measure the metric the business cares about. The rate of improvement on that metric is the true measure of success.
This is NOT about measuring AI performance metrics (token usage, inference time). It is about measuring the business outcome the workflow was designed to improve.
Step 1: Establish the Baseline
Before deploying anything:
- Metric selection: What metric does this business care about most for this process?
- Baseline measurement: Record the current value with precision (e.g., "14.3 hours/week on invoice reconciliation as of Week 0")
- Target setting: What does "good" look like? (e.g., "<4 hours/week")
- Measurement method: How will this be measured consistently week-over-week?
Baseline is the most important number. Every subsequent improvement is relative to it.
Step 2: Weekly Tracking
Each week, record:
- Current metric value
- Improvement vs. baseline (%)
- Rate of improvement vs. previous week (% change / week)
- Context notes (what changed this week? Retraining? New workflow version? Staff change?)
Step 3: Classify the Curve Shape
After 4+ weeks of data, classify the deployment curve:
| Shape | Pattern | Verdict | Action |
|---|
| ✅ S-Curve | Rapid rise → taper → stable | SUCCESS | Sustain; report value |
| ⚠️ Rise-Decline | Improvement then regression | WARNING | Investigate; likely adoption or data issue |
| ❌ Flat | No meaningful improvement | FAILURE | Redesign or exit use case |
| 🔍 Unbounded | Continuous rise with no taper | INVESTIGATE | Likely measurement error |
graph LR
W0["Week 0
Baseline
I = 0%"]
W1["Week 1-4
Rapid Acceleration
RoI = HIGH"]
W2["Week 5-10
Tapering
RoI = DECLINING
normal"]
W3["Week 11+
Stabilization
RoI near zero
Value sustained"]
W0 --> W1 --> W2 --> W3
subgraph SHAPES["Curve Shape Diagnostics"]
S1["S-Curve
rise to taper to flat
SUCCESS"]
S2["Rise-Decline
improvement then
regression - WARN"]
S3["Flat Line
no improvement
FAILURE - redesign"]
S4["Unbounded
continuous rise
INVESTIGATE"]
end
W3 -.->|"healthy"| S1
W2 -.->|"if declining"| S2
W1 -.->|"if stuck"| S3
W3 -.->|"if still rising"| S4
FORMULA["RoI Formula
RoI(t) = delta-I / delta-t
where I = improvement %
vs baseline
Success: R-squared above 0.85
on logistic fit"]
style W0 fill:#2a2a2a,color:#fff,stroke:#6b7280
style W1 fill:#1a4a2e,color:#fff,stroke:#4ade80
style W2 fill:#3a3a1a,color:#fff,stroke:#facc15
style W3 fill:#1a3a5c,color:#fff,stroke:#4a9ede
style S1 fill:#1a4a2e,color:#fff,stroke:#4ade80
style S2 fill:#3a3a1a,color:#fff,stroke:#facc15
style S3 fill:#4a1a1a,color:#fff,stroke:#f87171
style S4 fill:#1a3a5c,color:#fff,stroke:#4a9ede
style FORMULA fill:#1a1a3a,color:#fff,stroke:#a78bfa
Step 4: Statistical Analysis
For datasets with 6+ weeks:
- Fit a logistic/sigmoid curve to the data
- Calculate R² — if R² < 0.7, the deployment behavior is inconsistent
- Estimate the asymptote (ultimate stable value)
- Project: Week 12, Week 24, Week 52 values at current trajectory
Step 5: Thesis Validation
Answer explicitly:
- Expected pattern: Rapid initial improvement → taper → stabilization
- Actual pattern: [describe what you see in the data]
- Verdict: Supported / Partially Supported / Challenged
- Reasoning: Why is the curve shaped the way it is?
Step 6: Executive Summary
Three sentences suitable for a non-technical audience:
- What happened (plain language)
- What it is worth (dollar value if calculable)
- What to do next
Mathematical Reference
RoI(t) = ΔI / Δt
Where:
I(t) = improvement percentage vs. baseline at week t
RoI(t) = rate of improvement at week t (change in improvement per week)
S-curve success: RoI should be high early (weeks 1–4), declining (weeks 5–10), near-zero (week 11+). If still high at week 12, either measurement is off or improvements are genuinely compounding.
Output Format
Use the weekly-progress-report.md for tracking.
Full analysis uses the rate-of-improvement-analysis.md prompt.