What is a crucial factor in preventing drowning?

Constant supervision of swimmers is a crucial factor in preventing drowning because it ensures that trained individuals are actively monitoring the water at all times. This vigilance allows lifeguards or supervising adults to quickly respond in case of an emergency, such as a swimmer struggling or being in distress. Situational awareness enables the lifeguard to identify potential hazards, recognize when a swimmer might be in trouble, and intervene without delay.

In contrast, while using flotation devices can enhance safety, it does not replace the need for active supervision. Encouraging competitive swimming can divert focus from safety to performance, potentially increasing risk if proper measures aren’t maintained. Limiting the number of swimmers in the pool may help manage safety but does not substitute for the need for continuous vigilant observation. Therefore, constant supervision stands out as the most effective way to prevent drowning incidents.