C. Brief history. E. The big problem. B. Psycho linguistics 1. Psycho is from psychology. We aren't going to study language, but how it's used.
Linguists study the language itself.
They generally ask themselves if something sounds correct, and if it does count it as part of a language. Psychologists want to know about the people using the language. Example of markedness. A. Language is fundamental. B. Intellectual concerns.