Studying bilingualism and second-language acquirement through conversation and language acquisition analysis helps applied linguistics researchers develop theories about language learning. This information can then be used to shape language policy and more effectively teach students.

Australia is an island country and continent of the southern hemisphere, in the SW Pacific, a member state of the Commonwealth.

Graduate diploma courses often take somewhere between one to two years to complete, and are usually offered to students already holding college degrees. Students might expect better job prospects in the relevant field after graduating from one of these programs.