Final answer:
Developing and controlling one's tone of voice is crucial as it significantly influences the receiver's perception, playing a more decisive role than the content itself. It is important for establishing rapport and ensuring the message is conveyed correctly, especially in sensitive environments such as healthcare.
Step-by-step explanation:
The most important reason for developing and controlling one's tone of voice is that it more strongly influences the receiver's perception of the sender than the content of the communication. This is so because tone is a critical element in establishing a bond with the audience.
It affects how the message is received and understood, and hence, it is essential in both verbal and written forms of communication. In verbal interactions, an appropriate tone can convey encouragement and support that may be necessary for someone to accept changes while potentially avoiding any sense of hostility or condescension. This is particularly relevant in professional environments such as healthcare where an inappropriate tone can have a severe impact on the relationships and wellbeing of patients and colleagues.
Moreover, voice and tone are closely associated with mood and attitude in communication. They not only convey the speaker's emotions and viewpoints but also affect the audience's emotional reaction, which in turn can significantly alter the outcome of the communication. Given these factors, appropriately adjusting one's tone based on the purpose, audience, and message is vital for effective communication, especially in workplaces that value a balance between direct, clear communication and politeness.