Answer:
Attention.
Explanation:
Devonia's problem is most likely caused by attention. Based on the details given in the scenario, it could be seen that Devonia craves the attention of craves the attention of her teaching assistant such that she is either irritated or comfortable when she isn't being attented to. Additionally, her personal assistant's treatment of her anytime she exhibits such attitude also has her having an increased desire for attention due to the warmth treatment she's given once she displays her dissatisfaction.
