The data collection method was standardized using virtual and presential training.
The data collection method was standardized using virtual and presential training. The researchers were submitted to practical training before starting the field work, where information about the data collection instrument and the fieldwork process were reinforced. The questionnaire was adapted from previous research and pre-tested in a sample of 14 people to assess question consistency, respondent comprehension, questionnaire administration time, and the need for adjustments before data collection27, 28. The technical team responsible for training comprised professors and researchers from the Health Evaluation, Technology, and Economics Group at the Federal University of Espírito Santo (GATES/UFES). In total, 14 researchers participated in the data collection stage.