The investigation compared the transparency of 11 different types of symbols with 40 nonspeaking mentally retarded subjects (ages 4-20). Analysis indicated a hierarchy of difficulty with actual objects the easiest and Blissymbols and written words the hardest to understand. Results have implications for selecting initial symbol systems for…

The comparative translucency within and across 5 aided augmentative and alternative symbol systems for symbols representing 3 parts of speech (nouns, verbs, and modifiers) was investigated with 50 college undergraduates. Results indicated that translucency varies among systems or sets and among parts of speech. (Author/DB)

According to S. K. Langer, people create meaning through presentational and discursive symbolism. Presentational symbolism, Langer suggests, is an abstracted sense of experienced life, while discursive symbolism is a series of subordinating or coordinating positions that set in motion the relation of ideas and permits the discussion of causation.…