Evaluating the treatment of missing values by SAS 6.12, the first target group is considered to be an uninitiated … person like a physician who is doing his first real research in the frame of his doctoral thesis. Such a physician will … easily come to wrong conclusions as the treatment of missing values by SAS is not uniform. In one SAS-scenario, data records …

economic hardship affects illicit drug users’ decisions to enter drug treatment. Methods: We test the hypothesis that an … unemployed drug user to enter treatment. Our hypothesis is that the “payoff” of entering treatment increases when the unemployed … entering treatment, i.e. when unemployment declines (increases) the number of drug treatment clients increases (declines). We …

integration and treatment of migrants, and efforts to enforce those policies. Irregular migration is a particular area of focus …), international visitors and international students. The data is drawn from an assessment by country experts as well as by desk-research …

of prevention, in that insufficient care is often the result of rational calculations on the part of agents. We identify …, positive experiences may lead to an underestimation of these risks and a corresponding underinvestment in prevention. Second … underinvest in prevention for some disasters, especially those that are relatively unlikely. …

model. Therefore, it highlights the move towards the vicious-circle logic. Owing this vicious-circle logic, prevention must …), the fact that any prevention based on the use of force must be refrained on account of its consequences - it nourishes the …

Prevention of disease is one of the main challenges to public health and the Bulgarian society in recent years. More … limited (an individual) range. Development of practical approaches and methods of intervention, related to the prevention of …

representatives of civil society. The special psychological, ethical issues raised especially by trafficking prevention and assistance … persons. Of special relevance are the conclusions resulted from the field research undertaken in the area covered by the …