Objective: To identify the prevalence of violence in alcohol and drug abusers and a control group; to determine the relationship between violent behavior and impulsivity, anger, aggression, traumatic childhood experiences and indicate whether prevalence of violence differs between periods of deprivation, soberness and while under the influence of alcohol/drugs.

Method: 49 alcohol abusers and 31 drug abusers aged 15-65 years were compared among themselves and also with 62 healthy controls; using a questionnaire including questions related with sociodemographic characteristics of violence, the Buss-Perry Aggression Scale, Barratt Impulsivity Scale, the State-Trait Anger Scale, the Childhood Trauma Questionnaire, Hamilton Depression Scale, the State-Trait Anxiety Inventory.

Results: The prevalence of psychological violence was 85%, physical violence 54%, sexual violence 6% and economic violence 10%. Significant differences were found in most of the variables among the groups, which were thought to be related to violent behavior.

Conclusion: In addition to medical treatment for addiction, psychotherapeutic interventions focusing on personality traits in areas such as anger control and impulsivity should be adopted. The fact that violence decreases in sober periods indicates that violence is rather a result of the nature of the substance.

Objective: Social networks have become indispensable of our lives with the spread of the internet. The increase of time spent on social networks led to appear a new consept of fear of missing out. The purpose of this research was to determine predictors for Fear of Missing Out (FoMO) among university students.

Method: The sample of the research was 400 Kırklareli university students who were determined by random sampling method. The data was collected using personal information form, Life Satisfaction Scale, BAPI Internet Form, FoMO Scale, Rosenberg Self-Esteem Scale, Five Factor Personality Scale and Adult ADHD Self-Report Scale. SPSS Statistical Software package was used in the analysis of the data.

Results: As a result of research, Fear of Missing Out was found to be higher among students who also find lessons boring and check social media hourly especially in during the course who have low self-esteemand in the first grade. Inaddition, it was determined that internet addiction,neurotic features, attention deficit and hyperactivity have positively associated with FoMO.

Conclusion:Internet addiction, impulsivity and neurotic features are determined as influential factors in the emergence of FoMO.