Topics: Economics and Personal Finances, Socioeconomic Class. 1  Richard Fry is a senior researcher focusing on economics and education at Pew Research Center. 2  Rakesh Kochhar is an associate director of research at Pew Research Center.
In the United States, the Census Bureau determines who is poor using an economic poverty measure, by calculating official poverty estimates using a set of dollar-value thresholds, or minimum amount of income needed to meet basic needs, that vary by family size and composition.
Misbehavior in the classroom for many reasons often has deep, underlying causes completely unrelated to the present situation. Conversely, many occurrences of poor behavior appear to correspond directly to immediate circumstances and don't indicate any convoluted string of behavioral triggers. That said, some causes for poor behavior can be labeled as typical simply because they are identified and documented often.