What type of communication methods does AAC include?

• A. Only written communication
• B. Only digital devices
• C. Devices or symbols that supplement speech
• D. Only face-to-face communication

Answer: (C)

The correct choice highlights that Augmentative and Alternative Communication (AAC) encompasses a variety of devices or symbols that assist individuals in expressing themselves when they have challenges with speech. AAC methods can range from simple tools like picture boards and communication books to more advanced technologies such as speech-generating devices and apps designed to facilitate communication. The key aspect of AAC is its versatility, providing support tailored to the individual's specific needs, thereby complementing or substituting for verbal communication.

In contrast to the other options, which limit the scope of AAC, this answer captures the diverse range of tools and strategies used in practice. For example, written communication and digital devices are just subsets of what AAC can offer; it is not confined to these methods. Furthermore, face-to-face communication does not encompass the full extent of AAC's capabilities, as many AAC methods can function independently of interpersonal interaction.