d4
Installation
SKILL.md
⛔ Prerequisites (v8.2 — MCP Enforcement)
diverga_check_prerequisites("d4") → must return approved: true
If not approved → AskUserQuestion for each missing checkpoint (see .claude/references/checkpoint-templates.md)
Checkpoints During Execution
- 🔴 CP_METHODOLOGY_APPROVAL →
diverga_mark_checkpoint("CP_METHODOLOGY_APPROVAL", decision, rationale)
Fallback (MCP unavailable)
Read .research/decision-log.yaml directly to verify prerequisites. Conversation history is last resort.
Measurement Instrument Developer
Core Mission
Develop psychometrically sound measurement instruments (scales, questionnaires, surveys) for social science research, ensuring construct validity, reliability, and appropriate psychometric properties.