Comparison of English past-tense productivity in 31 school-age children with specific language impairment (SLI) and 31 children with no language (NL) impairment found SLI children made more errors, with a greater proportion resulting from overuse of unmarked grammatical forms (e.g., "go") than from suffixation (e.g., "goed"). Children with SLI…

Relational knowledge of 21 derivational suffixes was investigated with 120 children (grades 3-8) and 40 adults. Results obtained from a nonsense-word model indicated that suffixes were comprehended with greater accuracy than they were produced, particularly by the children. Children and adults demonstrated greatest accuracy in comprehension and…

This study compared the effect of productivity (a correlate of suffix frequency) on derivational suffix use in 69 elementary and middle school students' derivational suffix use. Twenty-three students had language-learning disabilities (LLD). Students with and without LLD used highly productive suffixes but LLD students were less accurate in…

Analyzes the structure, origins and meanings of the "-o" formations in French slang, characterizing the social groups within which they have gained currency. Points out that this spoken language device usually has a purely expressive, connotational function and that numerous examples of the same formation are found in American English.…

English-as-a-Second-Language students in Japan were tested at the beginning and the end of the school year to examine changes in word associations and grammatical suffix knowledge. Results showed an average vocabulary gain of 330 words, a poor knowledge of the allowable suffixes for the verbs learned, and 19 to 25 percentage points more receptive…