Hillary was an actress in a student play that had the same first act at each performance but then changed the succeeding three acts depending upon different plots. This led to different outcomes for the heroine due to changing interactions that occurred. When Hillary later took developmental psychology, she thought this acting experience was a good example of the influence of on developmental paths

Nonevent

Explanation:

Nonevent impact is the influence of significant event that was expected to be exciting .A scheduled event that did not happen or took place as intended.These event do not impact in comparison to event that occur and might negatively influence a person.

According to the question, nonevent factor impacted development path of Hillary as she got various outcomes from the act because of different interaction in play.Her actin event was not as intended but it did not impact negatively on her in development.

if im not mistaken its a. collective emotional arousal