Validity and Reliability of Spanish Version of Two Questionnaires of Vocal Fatigue in Female Teachers

摘要

Objectives. This study aimed to determine the reliability, validity, and the specificity and sensitivity of the Spanish version of two questionnaires, the Voice Fatigue Index (VFI) and the Voice Fatigue Handicap Questionnaire (VFHQ), in female teachers, analyze the influence of the sociodemographic factors on the questionnaires, and conduct a comparative study of the psychometric characteristics of the two questionnaires on vocal fatigue (VF).