Why should the presentation of an emergency signal by several modalities (such as light and sound) together be advantageous over presenting the signal to only one type of sensor?
Hey! Interesting question! While considering how most efficiently create an signal, if one was only considering cost or convenience, only one modality would typically be used. However, since ergonomics studies how people fit into the work equation, the human factor must be considered. As we study the working environment of people and their efficiency within it, several factors regarding the senses ...
Thoughts and advantages regarding emergency signals stimulating multiples senses is discussed regarding ergonomics in this solution.