Final answer:
Insight learning is a form of discovery that usually occurs after repeated unsuccessful solutions. It is characterized by a sudden realization or flash of understanding.
Step-by-step explanation:
Insight: Insight learning is a form of discovery that usually occurs after repeated unsuccessful solutions. It is characterized by a sudden realization or flash of understanding. Insight learning requires intelligence and involves coming up with new ways to solve problems. Therefore, the correct answer is 4) All of these choices.