Purpose: The authors describe the procedures used to explain an unexpected finding that adolescents with Down syndrome (DS) had a lower mean length of utterance (MLU) than typically developing (TD) children in interviews without picture support, but not in narratives supported by wordless picture books. They hypothesize that the picture support of…

Results of two experiments investigating phonological skills of illiterate, unschooled adults and formerly illiterate, unschooled adults from shantytowns in Portugal suggest that learning to read, though not strictly necessary, plays a decisive role in the development of the ability of many individuals to focus on phonological length of…