Scrum Master Expert

Data-driven Scrum Master skill combining sprint analytics, probabilistic forecasting, and team development coaching. The unique value is in the three Python analysis scripts and their workflows — refer to references/ and assets/ for deeper framework detail.

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Table of Contents

• Analysis Tools & Usage
• Input Requirements
• Sprint Execution Workflows
• Team Development Workflow
• Key Metrics & Targets
• Limitations

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Analysis Tools & Usage

1. Velocity Analyzer (scripts/velocity_analyzer.py)

Runs rolling averages, linear-regression trend detection, and Monte Carlo simulation over sprint history.

# Text report
python velocity_analyzer.py sprint_data.json --format text

JSON output for downstream processing
python velocity_analyzer.py sprint_data.json --format json > analysis.json

Outputs: velocity trend (improving/stable/declining), coefficient of variation, 6-sprint Monte Carlo forecast at 50 / 70 / 85 / 95% confidence intervals, anomaly flags with root-cause suggestions.

Validation: If fewer than 3 sprints are present in the input, stop and prompt the user: "Velocity analysis needs at least 3 sprints. Please provide additional sprint data." 6+ sprints are recommended for statistically significant Monte Carlo results.

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2. Sprint Health Scorer (scripts/sprint_health_scorer.py)

Scores team health across 6 weighted dimensions, producing an overall 0–100 grade.

| Dimension | Weight | Target |

|---|---|---|

| Commitment Reliability | 25% | >85% sprint goals met |

| Scope Stability | 20% | <15% mid-sprint changes |

| Blocker Resolution | 15% | <3 days average |

| Ceremony Engagement | 15% | >90% participation |

| Story Completion Distribution | 15% | High ratio of fully done stories |

| Velocity Predictability | 10% | CV <20% |

python sprint_health_scorer.py sprint_data.json --format text

Outputs: overall health score + grade, per-dimension scores with recommendations, sprint-over-sprint trend, intervention priority matrix.

Validation: Requires 2+ sprints with ceremony and story-completion data. If data is missing, report which dimensions cannot be scored and ask the user to supply the gaps.

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3. Retrospective Analyzer (scripts/retrospective_analyzer.py)

Tracks action-item completion, recurring themes, sentiment trends, and team maturity progression.

python retrospective_analyzer.py sprint_data.json --format text

Outputs: action-item completion rate by priority/owner, recurring-theme persistence scores, team maturity level (forming/storming/norming/performing), improvement-velocity trend.

Validation: Requires 3+ retrospectives with action-item tracking. With fewer, note the limitation and offer partial theme analysis only.

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Input Requirements

All scripts accept JSON following the schema in assets/sample_sprint_data.json:

{
  "team_info": { "name": "string", "size": "number", "scrum_master": "string" },
  "sprints": [
    {
      "sprint_number": "number",
      "planned_points": "number",
      "completed_points": "number",
      "stories": [...],
      "blockers": [...],
      "ceremonies": {...}
    }
  ],
  "retrospectives": [
    {
      "sprint_number": "number",
      "went_well": ["string"],
      "to_improve": ["string"],
      "action_items": [...]
    }
  ]
}

Jira and similar tools can export sprint data; map exported fields to this schema before running the scripts. See assets/sample_sprint_data.json for a complete 6-sprint example and assets/expected_output.json for corresponding expected results (velocity avg 20.2 pts, CV 12.7%, health score 78.3/100, action-item completion 46.7%).

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Sprint Execution Workflows

Sprint Planning

• Run velocity analysis: python velocity_analyzer.py sprint_data.json --format text
• Use the 70% confidence interval as the recommended commitment ceiling for the sprint backlog.
• Review the health scorer's Commitment Reliability and Scope Stability scores to calibrate negotiation with the Product Owner.
• If Monte Carlo output shows high volatility (CV >20%), surface this to stakeholders with range estimates rather than single-point forecasts.
• Document capacity assumptions (leave, dependencies) for retrospective comparison.

Daily Standup

• Track participation and help-seeking patterns — feed ceremony data into sprint_health_scorer.py at sprint end.
• Log each blocker with date opened; resolution time feeds the Blocker Resolution dimension.
• If a blocker is unresolved after 2 days, escalate proactively and note in sprint data.

Sprint Review

• Present velocity trend and health score alongside the demo to give stakeholders delivery context.
• Capture scope-change requests raised during review; record as scope-change events in sprint data for next scoring cycle.

Sprint Retrospective

• Run all three scripts before the session:

python sprint_health_scorer.py sprint_data.json --format text > health.txt

   python retrospective_analyzer.py sprint_data.json --format text > retro.txt

• Open with the health score and top-flagged dimensions to focus discussion.
• Use the retrospective analyzer's action-item completion rate to determine how many new action items the team can realistically absorb (target: ≤3 if completion rate <60%).
• Assign each action item an owner and measurable success criterion before closing the session.
• Record new action items in sprint_data.json for tracking in the next cycle.

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Team Development Workflow

Assessment

python sprint_health_scorer.py team_data.json > health_assessment.txt
python retrospective_analyzer.py team_data.json > retro_insights.txt

• Map retrospective analyzer maturity output to the appropriate development stage.
• Supplement with an anonymous psychological safety pulse survey (Edmondson 7-point scale) and individual 1:1 observations.
• If maturity output is forming or storming, prioritise safety and conflict-facilitation interventions before process optimisation.

Intervention

Apply stage-specific facilitation (details in references/team-dynamics-framework.md):

| Stage | Focus |

|---|---|

| Forming | Structure, process education, trust building |

| Storming | Conflict facilitation, psychological safety maintenance |

| Norming | Autonomy building, process ownership transfer |

| Performing | Challenge introduction, innovation support |

Progress Measurement

• Sprint cadence: re-run health scorer; target overall score improvement of ≥5 points per quarter.
• Monthly: psychological safety pulse survey; target >4.0/5.0.
• Quarterly: full maturity re-assessment via retrospective analyzer.
• If scores plateau or regress for 2 consecutive sprints, escalate intervention strategy (see references/team-dynamics-framework.md).

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Key Metrics & Targets

| Metric | Target |

|---|---|

| Overall Health Score | >80/100 |

| Psychological Safety Index | >4.0/5.0 |

| Velocity CV (predictability) | <20% |

| Commitment Reliability | >85% |

| Scope Stability | <15% mid-sprint changes |

| Blocker Resolution Time | <3 days |

| Ceremony Engagement | >90% |

| Retrospective Action Completion | >70% |

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Limitations

• Sample size: fewer than 6 sprints reduces Monte Carlo confidence; always state confidence intervals, not point estimates.
• Data completeness: missing ceremony or story-completion fields suppress affected scoring dimensions — report gaps explicitly.
• Context sensitivity: script recommendations must be interpreted alongside organisational and team context not captured in JSON data.
• Quantitative bias: metrics do not replace qualitative observation; combine scores with direct team interaction.
• Team size: techniques are optimised for 5–9 member teams; larger groups may require adaptation.
• External factors: cross-team dependencies and organisational constraints are not fully modelled by single-team metrics.

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Related Skills

• Agile Product Owner (product-team/agile-product-owner/) — User stories and backlog feed sprint planning
• Senior PM (project-management/senior-pm/) — Portfolio health context informs sprint priorities

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For deep framework references see references/velocity-forecasting-guide.md and references/team-dynamics-framework.md. For template assets see assets/sprint_report_template.md and assets/team_health_check_template.md.