Answer: ADHD.
Explanation: Attention Deficit Hyperactivity Disorder, also known as ADHD, is a group of behavioral disorders which symptoms are hyperactivity, impulsiveness and inattentiveness. People who have been diagnosed with ADHD may also experience sleeping problems and anxiety disorders. Even though energetic children who have difficulty sitting quietly for long periods in school, are likely to be diagnosed with ADHD, that may not be the case at times.
The best answer is letter b. they believe that gang members are like family or close friends. majority of the youth that join gangs are the ones that are either neglected by their families or their friends and have no where to run to. With this, they try to join gangs to find their own identity
Two major quantitative research tools which are being used by sociologists would be graph theory - graph theory is a special area of mathematics which gets used in social network theory and is an interesting tool to use. Another are questionnaires which represent the bulk of sociologist empirical research.