Which of the following is an example of an alternative communication method?

The correct answer is an example of an alternative communication method because picture exchange systems are specifically designed to facilitate communication for individuals who have difficulty with verbal speech. This approach allows users to communicate their needs, wants, and ideas through the use of pictures or symbols, making it a valuable tool for enhancing expressive communication.

Picture exchange systems are often used with individuals on the autism spectrum or those with other communication disorders. They provide a visual way to encourage interaction and comprehension, allowing users to point to or exchange pictures representing various items, actions, or feelings. This method not only assists in communication but also promotes language development and social skills.

In contrast, while singing therapy, poetry therapy, and pantomime therapy may involve expressive forms of communication, they do not specifically serve as systematic methods to replace or support speech in the same way that picture exchange systems do. Instead, they focus on enhancing communication through artistic and expressive means, rather than providing a functional communication alternative for those with speech difficulties.