The universalist view that acquisition of phonology is guided by universal principles has been the dominant position for decades. More recently, an alternative view has brought into focus the relationship between developmental markedness and language-specific input frequencies. With entirely original chapters on non-ambient-like productions by typically and atypically developing children, and second language learners, Unusual Productions in Phonology delves deeply into these competing explanations to show that patterns observed do not uniquely lend themselves to one or the other...

The universalist view that acquisition of phonology is guided by universal principles has been the dominant position for decades. More recently, an alternative view has brought into focus the relationship between developmental markedness and language-specific input frequencies. With entirely original chapters on non-ambient-like productions by typically and atypically developing children, and second language learners, Unusual Productions in Phonology delves deeply into these competing explanations to show that patterns observed do not uniquely lend themselves to one or the other...