- Criminal Law and Policy
- Sociology and Education Studies
- German legal, social, and political studies
- Crime Patterns and Interventions
- Psychopathy, Forensic Psychiatry, Sexual Offending
- Bullying, Victimization, and Aggression
- Health and Medical Studies
- Homelessness and Social Issues
- Sex work and related issues
- Intimate Partner and Family Violence
- Criminal Justice and Corrections Analysis
- Terrorism, Counterterrorism, and Political Violence
- Child Abuse and Trauma
- Child and Adolescent Psychosocial and Emotional Development
- Sexuality, Behavior, and Technology
- Psychoanalysis and Social Critique
- Populism, Right-Wing Movements
- Social and Demographic Issues in Germany
- Youth Education and Societal Dynamics
- Stalking, Cyberstalking, and Harassment
- Hate Speech and Cyberbullying Detection
- Substance Abuse Treatment and Outcomes
- Suicide and Self-Harm Studies
- Cultural Differences and Values
- Psychology, Coaching, and Therapy
ZHAW Zurich University of Applied Sciences
2016-2025
Institut für Informationsverarbeitung
2024
Institut für Soziale Arbeit
2019-2023
Criminological Research Institute of Lower Saxony
2008-2022
Deutsche Nationalbibliothek
2022
Medizinisch Wissenschaftliche Verlagsgesellschaft (Germany)
2022
University of Lucerne
2022
University of Lausanne
2022
Zurich University of Applied Sciences in Business Administration
2017-2018
ETH Zurich
2017
Internet gaming disorder (IGD) is included as a condition for further study in Section 3 of the DSM-5. Nine criteria were proposed with threshold five or more recommended diagnosis. The aims this to assess how specific contribute diagnosis and estimate prevalence rates IGD based on DSM-5 recommendations.Large-scale, state-representative school survey using standardized questionnaire.Germany (Lower Saxony).A total 11 003 ninth-graders aged 13-18 years (mean = 14.88, 51.09% male).IGD was...
Abstract The stay-at-home restrictions to control the spread of COVID-19 led unparalleled sudden change in daily life, but it is unclear how they affected urban crime globally. We collected data on counts 27 cities across 23 countries Americas, Europe, Middle East and Asia. conducted interrupted time series analyses assess impact different types each city. Our findings show that policies were associated with a considerable drop crime, substantial variation crime. Meta-regression results...
In recent years, a variety of epidemiological studies have provided empirical data on the prevalence video game addiction (GA) in different age groups. However, few investigated causes GA and could explain why playing as widespread phenomenon leads to comparatively small percentage addicted players. Additionally, existing longitudinal mainly consider psychological trait variables neglect possible explanatory value predictors socialization regarding media availability, use, family everyday...
Suicidal ideation and suicide attempts are serious but not rare conditions in adolescents. However, there several research practical suicide-prevention initiatives that discuss the possibility of preventing self-harm. Profound knowledge about risk protective factors is therefore necessary. The aim this study a) to clarify role parenting behavior styles adolescents' b) identify other statistically significant clinically relevant for a representative sample German adolescents.In years...
Binge drinking is a constant problem behavior in adolescents across Europe. Epidemiological investigations have been reported. However, epidemiological data on alcohol consumption of with different migration backgrounds are rare. Furthermore representative rural-urban comparison concerning and binge lacking. The aims the study investigation patterns respect to a) urban-rural differences b) according background. In years 2007/2008, written survey N = 44,610 students 9th. grade school types...
Abstract Background As epidemiological surveys have shown, binge drinking is a constant and wide-spread problem behavior in adolescents. It not rare to find that more than half of all adolescents engage this when assessing only the last 4 weeks time independent urbanity region they live in. There been several reviews on predictors substance consumption general, but there has less high quality research drinking, most studies theoretically based. The current study aimed analyze ultimate distal...
Data on the prevalence of suicidal ideation, suicide attempts, and direct self-injurious behavior in adolescents with a migration background are scarce. There hints that this population is at risk. The aim study to investigate epidemiology Germany while taking gender-specific differences into consideration. A representative N = 10,638 students (mean age 14.91 years, SD .73).) state Lower Saxony was conducted. In 2014–2015 school year, 672 classes were selected by randomly sampling different...
Reporting a study of German 2‐child families, the article focuses on neglected issue in value transmission studies: contemporaneous societal context. Parent‐child similarity depends not only family characteristics but also zeitgeist, modal climate society. To evaluate role zeitgeist transmission, differences parent‐child between families agreeing and disagreeing with are studied, focusing core modern societies: hierarchic self‐interest. Results show weak general effect. A family’s relative...
Introduction The Generalized Anxiety Disorder-7 (GAD-7) scale is widely used to assess generalized anxiety symptoms in both clinical and general populations. However, updated psychometric evaluations population norms for the German adult are lacking. This study aims examine properties of GAD-7 provide representative norms. Methods A sample Germany (N = 2,519) was assessed. Item characteristics (means, standard deviations, inter-item correlations) were examined. Construct validity evaluated...
Based on a study of 681 German police officers who were violently assaulted we analyze first general pre-, peri- and post-traumatic risk factors (e.g. trauma severity, psychological adjustment, social support) stress symptoms, second police-specific colleague third differences in the impact these comparing male female officers. Using regression analysis show that found to be important for population partly hold special group victimized Regarding regular preparatory follow-up sessions reduce...
Based on a survey of 9512 ninth-grade students conducted in Lower Saxony 2013, this paper examines the prevalence cyberbullying perpetration and correlates behavior. Binary logistic multilevel regression was used order to analyze sexual psychological cyberbully perpetration. In preceding semester, 2.4% adolescents were perpetrators 0.4% bullied someone online sexually. Low levels empathy, frequent consumption violent media, being victims aggressive behaviors are correlated with risk that...
Different criminological theories assume that religiosity protects against violent behavior. Up to now, this assumption is tested empirically almost exclusively for the Christian religiosity. The study presented here questions whether such a relationship between and behavior could be found Muslims, likewise. Using German-wide representative school survey of 16,545 male students in ninth grade, who belong either or an Islamic denomination, it can revealed only Christians higher correlates...
Cross-cultural evidence on the gender gap in delinquency is presented. Based power-control theory (PCT), differences aggressive behaviour are analysed. We assume that labour force participation between father and mother lead to parental control towards boys girls, which turn different risk-taking preferences eventually produce behaviour. A revised PCT acknowledges dominance ideologies also play a role genesis of delinquency. This proposition tested. Analyses based data from 319 families...
Research has shown that punitive attitudes are influenced by denominational affiliation, religious participation and images of God. However, most the research so far been conducted in United States, which is very different compared with European states respect to importance religion. The paper analyses relationship between religion punitiveness outside States a context based on German-wide representative survey ( N = 2265). Respondents who perceive God as loving less support death penalty...
The growing challenge of digital hate speech requires an understanding its complexity, scale, and impact. Research on experiencing has so far been limited to the roles personal victim, observer, perpetrator, with a focus young people. However, research crimes suggests that vicarious victimization may also be relevant due negative impacts. In addition, lack knowledge about older generation neglects fact people are increasingly seen as vulnerable risks. Therefore, this study introduces...
Inmate-on-inmate violence is a serious problem in prisons and young offender institutions. However, most studies on predictors of violent misconduct have focussed adult inmates. This study examines the perpetration multiple institutions, using self-report data 865 male Prevalence rates indicate that occurs to high extent Regression analyses show both importation deprivation variables significantly predict physical sexual violence. Specifically, drug use during imprisonment, beliefs, negative...
The current study aims to examine the influence of police officer characteristics, civilian and possible interactions between both on violent victimization officers. Based literature distinguishing 'provocative' 'submissive' victims, focus is given effects officers' personality in terms five-factor model plus risk-taking. Patrol officers (n = 1813) from Lower Saxony, Germany, completed a paper-and-pencil survey including assessments as well questions about their last three encounters. Binary...
Ethnic differences in violent behavior can be found official crime statistics, as well surveys on juvenile delinquency. To explain these differences, research mainly focuses factors like parental violence, violence legitimizing norms of masculinity, or socio-economic status. Little has examined the role friendship network's ethnic composition behavior, although different sociological and criminological theories suggest that networks play an important for attitudes its members. Using data a...