When individuals attempt to manipulate or control the impression that others form about them they are engaging in:

A) impression delineation
B) impression motivation
C) impression management
D) appearance development

Impression Management

The process by which individuals attempt to control the impression others form of them, especially in social contexts and professional environments.

Manipulate

To skillfully handle, control, or use something, often with the connotation of doing so in an unfair or deceitful manner.

Control

The capacity to sway or control how people act or how situations unfold.