Use of logographic symbol systems with severely communication-disordered children led to a comparison of the relative ease of learning logographs from the Bliss and Rebus symbol systems with 32 normal preschoolers. Results indicated that Rebus symbols were recalled with significantly greater accuracy than Bliss symbols. (Author/DB)

The investigation examined the transparency and recall of symbols representing three parts of speech (nouns, verbs, and descriptors) from three different graphic symbol systems (Blissymbols, Picture Communication System, and Picsyms) among adults with intellectual handicaps. Results suggested that Blissymbols were the least transparent and hardest…