“…Rather than choosing a quantitative research method, where the questions we might ask would be restricted by our preexisting knowledge, we chose a qualitative research method that would give us the best chance of gaining new knowledge (19). Qualitative methods are well suited to investigating complex human interactions in their natural setting, rather than in an experimental environment (17,18,20), and have been used to investigate aspects of anesthesia practice, including medical education (2,4,9,14,19,21), expertise (16,22), communication (2,23), workplace stress (7,24,25), performance appraisal (22,26), and patient safety (27).…”