Answer:
Psychologists are traditionally concerned with the study of behavior. We believe that many aspects of population, from fertility regulation to migration, may be viewed as examples of human behavior occuring within particular socioeconomic and environmental contexts and thus appropriate for psychological research.
The harmful affects of tobacco are your body will have bad effects such as black lungs, smokers cough, your teeth can decay and you can even die due to tobacco. It messes you up mentally making you thing that you need tobacco all the time and making you addicted to tobacco. When the use of tobacco you could loss some good friends that you have and end up in the wrong group that you should not be in. Legal consequences to tobacco can be you getting a ticket for being caught with it but if you get caught selling to anyone under the ages of 21 you can get charges pressed against you and can end up with jail time! Hope this helps.
I would expect the kids to enjoy their time on technology and not be exposed to anything that they should not be.
Psychological assessment is needed in certain cases where we're trying to determine certain psychological characteristics of the person we're assessing. This becomes increasingly important in cases where there is a HR department or something similar.