Studies found that smartphone addiction is relevant to the personality of smartphone users, especially the extroverts and introverts. However, the findings of the associations between extroverts/introverts and smartphone addiction are not consistent, and it is suggested that the inconsistency results can be relevant to the types of smartphone use.…

College students who do not successfully complete undergraduate studies by obtaining bachelor's degrees have much lower average lifetime earnings than college students who do obtain bachelor's degrees. Research suggests that one of the primary reasons for students dropping out or flunking out of undergraduate school is excessive substance use.…