A Spanish vocal-fatigue questionnaire for teachers has been translated and culturally adapted into Brazilian Portuguese. The testing to confirm the scale actually works has not yet been done, so it is not ready for clinical use.
The scale was adapted through five stages: translation, synthesis, pre-testing by teachers, back-translation, and expert consensus, all conducted virtually.
Twenty-three teachers pre-tested the adapted scale; 12 items (76.6%) were rated 'absolutely relevant,' a proportion significantly higher than items rated not relevant or needing revision (p = 0.001).
The Spanish term 'docente' was replaced with 'professor' throughout the scale because Brazilian teachers more readily recognize the latter in everyday and professional language.
Single-blind randomized controlled trial. Sixty-four participants were randomized across two intervention arms and assessed at twelve weeks for the primary outcome…
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