However, research by Harvard Business School’s Amy Edmondson and Michaela Kerrissey of the Harvard T.H. Chan School of Public Health, conducted with HBS doctoral student Hassina Bahadurzada, suggests that’s the worst time to halt such efforts. In fact, psychological safety is key to avoidingburnoutand staff turnover in times of turmoil. Efforts to foster psychological safety are even more effective if they start long before a crisis hits.