A psychologist is describing a client's personality. Which of the following observations best illustrates a characteristic that is less consistent and only emerges in particular circumstances?

Aisha is known by her friends and family as a very generous, outgoing, and honest person. These characteristics are evident in almost everything she does. However, her close friends have noticed that she becomes extremely impatient and irritable, but only when she is stuck in slow-moving traffic. How would this specific impatience best be described as a personality characteristic?