Answer:
The correct answer is - impulsivity.
Explanation:
Karen is exhibiting the impulsivity characteristic of the ADHD or attention deficit hyperactivity disorder as she constantly disturbs the class and blurts out the answers without taking permission or raising a hand. The unsafe behavior and other mentioned behaviors suggest that she is an impulsive girl and most like has ADHD.
Impulsivity is behavior acting without thinking and shows hyperactive-impulsive behavior. This person shows a lack of attention, and concentration and easily get distracted.
Thus, the correct answer is - impulsivity.