Children's Depression Inventory (CDI)
“I have trouble sleeping many nights”
i have trouble sleeping many nights
CITM_436a3d1e2119 · 1 source instrument · 1 surface variant
Normalized stem
i have trouble sleeping many nights
Normalization rule (PRN-050): lowercase, strip non-word/space punctuation, collapse whitespace, trim. Used for fast dedup matching across the instrument corpus.
Normative benchmark
No normative benchmark yet for this item. Item-level norms require per-respondent response distributions; they populate from published norms where available and sharpen as anonymized, aggregated deployment responses are contributed (the benchmark flywheel).
Surface variants
The verbatim item text as it appeared in each source instrument. Cross-instrument variation is preserved here; the normalized form above is the dedup key.
- I have trouble sleeping many nights
Appears in
Programmatic access: this row is also available via the registry REST surface at /api/v1/items/CITM_436a3d1e2119 and via the MCP gateway as principia.items.lookup.