Answer:
Prior experience
Step-by-step explanation:
It could be inferred that prior experience played a part in both Keisha and Kathy's handling of their ailment. This disparity in the handling of the ailment could be be in that Keisha having being down with flu before and relating her experience the last time out, decided to wait, this might be what she was told by the doctor during their previous encounter. Kathy on the other hand hasn't had such experience and may be shocked and eager to get herself treated. Hence, prior experience played a role in how they both responded to managing their ailment.