The present, multi-method (methodological triangulation), case study aimed to investigate whether it is possible to obtain a differential diagnosis between the speech problems derived from bilingualism, and the developmental speech problems of an Albanian eight-year-old boy who attended a public primary school in Greece. Although there existed…

The developmental speech problems and the speech problems derived from bilingualism could have some similar characteristics but they need different intervention. So, distinguishing between them is essential. The present, multi-method (methodological triangulation), case study aimed to investigate whether it is possible to identify developmental…