upbringing , and maturity level as well as previous real world work experience has a great deal to do with successful retention of a student's core commonalities,(traits) irregardless of the chosen field of service for which they are being trained to pursue. obviously they are there for a reason, possibly - to improve their life,make a better living. succeed at a higher level- whatever. many young folks in today's world are generally not used to being held accountable for their own actions. consequently present-ability, work ethic-such as being on time for work or school, reliability in a general sense, how they are accepted by the other students or work associates. is crucial to the attitude and acceptance of the student in a classroom or workplace environment. Retention being the end result or goal to succeed.