It has been proposed that children differ from adults in that children license a conjunctive inference to disjunctive sentences that lack any licensing expression. The proposal is that children infer "A and B" from sentences of the form "A or B." Although children's conjunctive interpretations of disjunction have been reported…

Relative clauses have been implicated alternately as a strength and a weakness in the language of people with Williams Syndrome (WS). To clarify the facts, an elicited production test was administered to 10 people with WS (age 10-16 years), 10 typically developing children (age 4-7 years), and 12 typically developing adults. Nearly every WS…

This report discusses a study of a Norwegian six-year-old child's acquisition of English syntax in a second language environment. Interrogative and negative sentences which require periphrasis with "do" are the forms considered in the analysis. Although the formal aim of the study is limited to an effort at discovering more about developmental…

This investigation was designed to examine the acquisition of a set of complex English structures by Egyptian Arabic-speaking adult learners at different levels of proficiency. Two studies were conducted using the methodology of Chomsky as adapted by d'Anglejan and Tucker. In addition, some subjects were asked to translate a number of stimulus…

The main concern of this report is the nature of the reliance by children on prior native language (L1) knowledge in naturalistic, untutored second language (L2) acquisition. It is suggested that L1 reliance is systematic, in that specific conditions have to be met within the child's L2 development before he or she will, or can, draw on previous…