The Brief Multidimensional Students' Life Satisfaction Scale (BMSLSS) was designed to measure life satisfaction among children and adolescents. The present study aimed to assess the reliability and validity of the Turkish version of the BMSLSS. The Turkish version of BMSLSS was administered to 394 students from fourth through eighth grade. The results revealed acceptable internal consistency reliability, criterion-related validity, and construct validity for the BMSLSS. The BMSLSS scores had acceptable test-retest reliability ( r = .82) and internal consistency ( r = .89). Item-total correlations varied from .64 to .78. The BMSLSS had a significant correlation with the Children's Depression Inventory and the Piers Haris Self-Concept Scale. The results indicated that the BMSLSS has strong pyschometric properties for the sample of the study.

Objective: The aim of this study was to determine the knowledge levels of university students about infertility and investigate the differences in knowledge levels according to sociodemographic variables and some lifestyle factors. Material and methods:The sample of the study consisted of 9693 undergraduate students (5002 females, 4691 males) from 12 regions. Regions were determined according to Statistical Region Units Classification-1 criteria. Infertility Knowledge Test (IKT) was used as a data collection tool.Results: It was found that university students' IKT scores significantly differed according to gender (p<0.01); age (p<0.05); body mass index (p<0.05); reproductive health education status (p<0.001), presence of infertile individuals around (p<0.001); having sexual intercourse (p<0.001); smoking (p<0.001) and alcohol consumption frequency (p<0.05). Conclusion:University students' lack of knowledge about family planning, effects of age and sexual intercourse timing on infertility was remarkable. However, it was determined that the knowledge level of infertility risk factors related to substance use and body mass index was high. It is believed that increasing the level of knowledge about infertility among individuals will positively effect their awareness of risk factors and facilitate their search for timely medical assistance. Sexual health education can be effective in increasing university students' knowledge of infertility.

This study was conducted as a predictive examination of family conflict and parent and peer support on adolescent self-esteem, depression, and problem behaviors. The other aim of the study was to determine whether adolescent self-esteem, depression, and problem behaviors differed according to gender. The study sample consisted of 1,734 high school students. The results support the general hypothesis that perceptions of high conflict in the family context are related to lower levels of self-esteem and higher levels of depression; and lower levels of self-esteem are related to higher levels of depression, which are expected to lead to higher levels of involvement in problem behaviors. To increase the level of wellness in adolescents, improving friendship quality and solving parent-adolescent crises are recommended. At the same time, prevention and intervention programs for problem behaviors and emotional problems could be beneficial for adolescents.

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With the Internet having become an inevitable part of life, Internet addiction, being on the agenda, is viewed as a significant problem for adolescents and is frequently a subject of research. One observes that in addition to studies on the prevalence of Internet addiction during adolescence and its relation to different variables, efforts to prevent Internet addiction in adolescence in recent years have particularly started to gain importance. The number of studies on preventing Internet addiction has been rather limited compared to other types of studies, yet studies on preventing Internet addiction have great value because they allow for intervention before Internet usage becomes a problem. The aim of this research is to systematically review studies examining the effectiveness of programs that have been implemented to prevent Internet addiction during adolescence. For this purpose, the keywords of Internet addiction, Problematic Internet use, Adolescence, Prevention, Intervention, School-based, and Psycho-education have been searched in the databases of Science Direct, Pubmed, Cochrane, Wiley Online Library, and Ulakbim both in Turkish and English. The resulting 435 articles from the literature search have been evaluated according to the PRISMA guide; the selection criteria determined for this research and the five articles that met the required criteria have been included in the research. The selected articles have been examined in terms of research method, program applied, instrument used, and effectiveness of the applied program. The studies under investigation are seen to reveal positive results for preventing Internet addiction in adolescents.