Final answer:
An example of externally caused behavior is when an employee is fired because they violated a company policy.
Step-by-step explanation:
An example of externally caused behavior is option a. an employee was fired because he violated a company policy.
When an employee is fired for violating a company policy, the behavior is caused by an external factor, in this case, the company policy. The employee's behavior is a direct result of the consequences imposed by the company for violating the policy. Other options mentioned, such as oversleeping, achieving objectives, excellent negotiation skills, or a punctured tire, are examples of internally caused behavior influenced by personal choices or circumstances.