Linguistic validation ensures that patient‑reported outcome (PRO) instruments, clinical questionnaires, and assessment scales maintain their conceptual equivalence, clarity, and cultural appropriateness in the target language.
At TranslatingScience, I carry out specialised reviews that include conceptual equivalence analysis, linguistically appropriate alternative phrasings, client‑focused annotations, and documentation quality control aligned with CRO standards.
Original item (source language)
In the past 7 days, how difficult was it for you to climb one flight of stairs without stopping?
Initial translation (target language)
En los últimos 7 días, ¿cuán difícil fue para usted subir un piso de escaleras sin detenerse?
Issues identified
- “cuán difícil” sounds unnatural in European Spanish.
- “un piso de escaleras” may be ambiguous; “tramo” is clearer and more commonly used.
- The phrasing is grammatically correct but slightly formal and less natural for patient-facing materials.
Proposed alternatives (target language)
- En los últimos 7 días, ¿le ha costado subir un tramo de escaleras sin parar?
- Durante los últimos 7 días, ¿tuvo dificultad para subir un tramo de escaleras sin detenerse?
Conceptual equivalence notes
- Both alternatives preserve the original intent: assessing the level of difficulty when climbing a single flight of stairs without stopping.
- The first alternative maintains a closer structural alignment with the source while improving naturalness.
- The second alternative is more conversational and patient-friendly, suitable for PRO instruments requiring high readability.
- “Tramo de escaleras” ensures conceptual clarity and avoids misinterpretation.
Reviewer’s recommendation
The first alternative is preferred for its balance between conceptual fidelity, clarity, and naturalness in European Spanish.
©JSValenzuela
