Answer:
"describing"
Explanation:
According to my research on studies conducted by various psychologists, I can say that based on the information provided within the question the basic goal of psychology that Professor Sanchez is demonstrating is "describing". The Four Basic Goals of Psychology are describe, explain, predict and control. Professor Sanchez is trying to describe the process that the children display when angry, in this situation.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.