Question

At a faculty-student mixer, Mildred's psychology professor introduces her to a faculty member from the linguistics department. Mildred's professor remarks that the linguist is one of North America's foremost phonologists. Based on her study of the psychology of language, Mildred surmises that the faculty member studies:

Answer 1

Sounds.

Step-by-step explanation:

Sound may be defined as the form of energy that enable us to hear the different objects and voice. The sounds can be used to study the human psychology as well.

The professor introduces the student in the linguistic department. This department is famous for the organization of the different sounds and signs used in the different language. Mildred can surmise that the professor in the linguistic department studies different types of sounds.

Thus, the answer is sounds.