Prior research has established associations between body mass index (BMI) and use of alcohol, tobacco, and marijuana. However, little research has been done investigating the relationship between other common illicit drugs and BMI trends. The present study investigated whether adolescents who reported using illicit drugs showed differences in BMI…

Purpose: The purpose of the study was to identify gender and body weight differences in Chinese adolescents' perceived expectancy value (EV) motivation in their physical education (PE) class. The study also explored the relationship between EV and adolescents' health-related fitness performances. Method: A group of seventh and eighth graders (N =…

We performed a secondary analysis of Adolescent Health Risk Behavior Survey data (N=937), examining associations between lifetime alcohol and marijuana use with intrapersonal (i.e., risk perceptions) and interpersonal (e.g., peer approval and behavior) factors. Multinomial and binary logistic regression analyses contend students reporting lifetime…

As they inhabit complex social worlds, adolescents often learn competing values, resulting in value-differentiation, within-individual variability in value importance across contexts. But what are the implications of value-differentiation across age groups and cultures? A study of 4007 adolescents aged 11 to 18 (M = 14.41, SD = 2.16), of three…

This research examined the relationship of Internet addiction and gaming addiction with school engagement and effects of Internet addiction and gaming addiction on school engagement. The research was conducted with 365 students (140, 38.4%, males; 225, 61.6%, females) studying at an Anatolian high school in Gaziantep province. Personal Information…

This study examined the attitudes of young people from different cultural backgrounds in Hong Kong toward social justice, in particular those regarding gender, racial/ethnic equalities, and immigrant rights. Among the sample of 15,428 adolescents, aged 12 to 19, 7.1% were South Asians, 15.5% were immigrants from mainland China, 4.1% were…

The purpose of the study was to determine adolescents' perceptions of the psychological security of their schools environments and their relationship with their emotional development and academic performance in secondary schools in Gombe Metropolis. A sample of 239 (107 males and 133 females) secondary school students selected via stratified…

The Tips From Former Smokers ("Tips") campaign in the United States primarily targets adult smokers, but considers adolescents an important secondary audience. This study examines the association between exposure to Tips and smoking outcomes in the adolescent population in the United States. We analyzed data from the 2013 National Youth…

The study reports on species knowledge among German adolescents (n = 507) as: (1) self-assessed evaluation of one's species knowledge; and (2) factual knowledge about popular local herbs and trees. Besides assessing species knowledge, we were interested in whether selected demographic factors, environmental attitude (as measured through the New…

Open-ended responses of an ethnically and socioeconomically diverse sample of 593 12- to 19-year-olds (M = 16 years old, SD = 1.59) were analyzed to explain why some people in the United States are poor and others are rich. Adolescents had more knowledge and a more complex understanding of wealth than of poverty and older adolescents had more…

Using an international educational database, PISA 2009, this study investigates and analyzes 15-year-old students' attitudes toward school in 11 Asia-Pacific units (country, city, or area). For each unit, the study demonstrates four types of students' attitudes toward school, compares male and female students, and examines the relationships of the…

Autism spectrum disorder is a complex condition that requires specialised care. Knowledge of the costs of autism spectrum disorder, especially in comparison with other conditions, may be useful to galvanise policymakers and leverage investment in education and intervention to mitigate aspects of autism spectrum disorder that negatively impact…

This study examined the perceived parenting styles as predictors of Internet addiction in adolescence. The participants of the study were a total of 419 high school students including 238 girl and 181 boy students whose mean age was 16.5. Personal information form, "Internet Addiction Test" and "Perceived Parenting Style Scale"…

The purpose of this research was to examine the effect of teacher read-aloud on adolescent learning in science and variation according to individual reading ability. The study gathered both quantitative and qualitative data for analysis from 2 treatment procedures. All seventh and eighth grade students participated in 2 consecutive units of study:…

Although the role of existential attitudes in adolescent health-related behavior has received increased attention recently, historically it has been underinvestigated in the field. The present study focuses on existential attitudes related to meaning in life and hopelessness. Relations of presence of meaning, search for meaning, and hopelessness…