Final answer:
The correct answer is that professional appearance and behavior positively impact client perception, contributing to trust and a reputable professional image.
Step-by-step explanation:
The personal marketing approach that has a positive effect on client perception is c) Professional Appearance and Behavior. This strategy entails maintaining a neat and professional look and conducting oneself in a professional manner at all times. This creates a positive first impression and builds trust and confidence in the client, which is essential for a successful business relationship. Not only does professional appearance and behavior influence current client relationships, but it also affects future referrals and the professional's reputation in the industry. Key aspects include dressing appropriately for one's role, being punctual, practicing good communication skills, and demonstrating a respectful and courteous attitude toward clients and colleagues.