Answer:
Cognitive processes
Explanation:
According to my research on studies conducted by various psychologists, I can say that based on the information provided within the question this provides evidence for the role of Cognitive processes in operant behavior. This term refers to the many processes that occur within the cognitive mind such as memory, learning, language use, problem solving, decision making, reasoning, and intelligence. Which in this situation the children demonstrate a use of many of these aspects such as decision making, reasoning, and intelligence, learning and memory.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.