The study with 23 severely hearing impaired adolescents found that subjects using cued speech performed highest on Piagetian conservation problems, the oral-aural group performed better on linguistically-sensitive metaphor problems. Differences were not, however, statistically significant. (Author/DB)

Conservation and metaphor acquisition were studied in 35 hearing-impaired children (ages 6-19) using either cued speech or oral-aural communication. Significant positive relationships were found between conservation and metaphor in both communication modes, age and metaphor, and age and conservation. Neither conservation nor metaphor was related…