In which type of communication does the message not require a response?

The correct answer is one-way communication, which is characterized by a message being delivered from a sender to a receiver without the expectation of feedback or response from the receiver. This type of communication is often utilized in situations such as public announcements, broadcasts, or instructional materials where the sender conveys information and the receiver simply takes in that information without engaging in dialogue or interaction.

In contrast, two-way communication involves an exchange where both parties can send and receive messages, creating a dialogue that necessitates responses. Interpersonal communication typically falls under the umbrella of two-way communication, focusing on interactions between individuals, which usually require responses to foster understanding and connection. Multilateral communication generally includes multiple parties engaging with one another, making responses inherently part of the dynamic.

Thus, one-way communication stands out as the correct choice, as it is explicitly about delivering information without the need for a response from the audience.