Final answer:
Thorndike (1911) concluded that imitation is a fundamental learning process based on his experiments with animals.
Step-by-step explanation:
Thorndike (1911) concluded that imitation is a fundamental learning process based on his experiments with animals. He found that animals have the ability to imitate certain behaviors, demonstrating that imitation is not unique to humans. It is important to note that Thorndike's experiments did not involve animals imitating vocalizations exclusively, but rather imitating a range of behaviors.