Final answer:
A pharmaceutical sales representative would likely need strong interpersonal intelligence to effectively understand and interact with clients, as well as intrapersonal intelligence for self-awareness and emotional regulation, according to Gardner's theory of multiple intelligences.
Step-by-step explanation:
According to Howard Gardner's theory of multiple intelligences, a pharmaceutical sales representative in marketing would likely need to have a high level of interpersonal intelligence.
This type of intelligence encompasses the ability to understand and interact effectively with others, which is crucial in a field where building relationships with clients and understanding their needs plays a significant role.
Additionally, they might benefit from having good intrapersonal intelligence, which involves self-awareness and the ability to manage one's own emotions, as this can help in tailoring their approach to sales and maintaining resilience in challenging situations.