Which of the following factors influences the professional image others have of you?

The factor that most significantly influences the professional image others have of you is your posture. Posture conveys confidence, professionalism, and attentiveness. When you maintain good posture, such as standing tall and sitting up straight, it positively impacts how colleagues, clients, and supervisors perceive your professionalism and commitment to your role.

In contrast, other factors, while they may play a role in perceptions, do not have as direct an impact on the professional image one projects. Age and gender can be associated with certain biases or stereotypes that may affect how one is perceived, but they are not as actively within your control to demonstrate professionalism. A schedule pertains more to time management and efficiency rather than the immediate cues that inform others about your professional demeanor.