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.

An African educational adventure can be exciting since the continent's rich traditional heritage is so vital to the culture. Africans legendary hospitality is welcoming to strangers and its multiethnic cities so exciting with its African music, dance and arts, both traditional and modern, constitute whole other worlds of application and delight; and there is a couple of esthetic experiences wherever you go to compare and contrast with the color, swirl, smell, and sounds of an African market.

The PhD is a doctoral degree, specifically called a "doctor of philosophy" degree. This is misleading because PhD holders are not necessarily philosophers (unless they earned their degree in philosophy!). That said, PhD recipients are able to engage in thought experiments, reason about problems, and solve problems in sophisticated ways.