Answer:
Assistant professor
Explanation:
Assistant Professor is a rank in the academy and is used in many universities. '
<u>The rank of assistant professor is earned after graduating from a doctoral degree. It is a teaching position held at a university level. An assistant professor works under an associate professor or full professor</u>.
The <u>work of an assistant professor</u> is to conduct researches, take classes, etc.
<u>In the given case, Marcus will be starting a job as an </u><u>assistant professor</u><u> in cognitive psychology. Because he had earned his doctoral degree in the same</u>.
So, the position that he had accepted in a faculty is of an assistant professor.