Which of the following is an example of a symbol set?

The correct answer is B, referring to PCS (Picture Communication Symbols) or Symbol Stix. This option represents established symbol sets specifically designed to facilitate communication for individuals using augmentative and alternative communication (AAC) devices. Symbol sets are collections of symbols that represent meanings, objects, actions, or concepts, which can be used in various communication systems.

PCS and Symbol Stix are widely recognized and standardized symbol sets that feature clear, easily recognizable images. They are specifically tailored for users with communication challenges, as these symbols enhance understanding and accessibility. Their systematic design supports effective communication for individuals with speech or language impairments, making them a fundamental part of many AAC interventions.

Other options, while related to symbols, do not represent established symbol sets in the same way. Symbol icons may refer generically to any symbols used for communication, and colorful images can represent a wide array of visuals without the specific context of standardization or intended communication purpose. Alphabet letters, while crucial in written communication, do not constitute a symbol set that supports AAC through graphical representation.