15a there are very few people in the world worth concerning oneself about

CITM_91f3c5820c7f · 4 source instruments · 1 surface variant

Normalized stem

15a there are very few people in the world worth concerning oneself about

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.

  1. 15A. There are very few people in the world worth concerning oneself about.

Appears in

Mach V (1968)

INST_f408f7ce68c5

15A. There are very few people in the world worth concerning oneself about.

Mach V (1968)

INST_0bdbafcf3e5d

15A. There are very few people in the world worth concerning oneself about.

Programmatic access: this row is also available via the registry REST surface at /api/v1/items/CITM_91f3c5820c7f and via the MCP gateway as principia.items.lookup.