Developing a questionnaire about usability Artigo de Pesquisa Original Research

ABSTRACT: The aim of the present study was to develop a questionnaire to evaluate the usability of the Brazilian Portuguese version of the Job Factors Questionnaire. Content was validated using the recommended methodology: revision by an expert committee, and pretest. The usability instrument was applied to production and administrative workers in two metalworking industries. The expert committee’s suggestions were accepted, yielding a three-question questionnaire and a five-point Likert scale to evaluate the usability of assessment instruments. None of the 148 study participants encountered any difficulty during the pretest. The data collected showed that on average it took less than five minutes to answer the questionnaire, and the highest percentage score was for the option totally agree for all questions. The Instrument Usability Evaluation may be helpful to researchers concerned with data collection instrument quality