It depends on how you use it. If an individual is using a cellphone for his/her entertainment even though the professor/teacher is having a lecture, then it is unethical. But if the individual is using his/her own phone for an emergency matter then it should be considered.
Risk for depression among college students. I would say temporal but what are the options
The answer is an obsessive-compulsive disorder. This disorder is characterized by obsessive thoughts and impulses, uncontrollable urges and compulsions which are visible through overt and mental rituals. These rituals are very difficult to suppress and usually consumes time and energy of an individual which hinders the person to function normally for his/her daily life.
