1. A medical or scientific procedure in which the person performing the procedure is unaware of certain key information (such as patient identity, treatment group, or expected outcome) to prevent bias
The surgeon performed a blind procedure to ensure objectivity in the treatment application.
O cirurgião realizou um procedimento cego para garantir objetividade na aplicação do tratamento.
2. In research, a study design where the researcher does not know which subjects are in the control or experimental group
The blind procedure was essential to the validity of the clinical trial results.
O procedimento cego foi essencial para a validade dos resultados do ensaio clínico.