The school is one of three high schools in the Columbia Public School District, with admission based primarily on the locations of students' homes. Hickman is one of the largest high schools in Missouri and has been called the largest in terms of athletic and academic competition.
Aversives can vary from being slightly unpleasant or irritating (such as a disliked color) to physically damaging. It is not the level of unpleasantness, but rather the effectiveness the unpleasant event has on changing behavior that defines the aversive.
The definition of introspective is someone who looks inward or focuses on their own internal thoughts, feelings, beliefs and motivations. Someone who is always analyzing his own actions is an example of someone who would be described as introspective.