Emotional competence and online game use in adolescents.

The purpose of this study was to explore the relations between emotional competence and online game use in adolescents. This study is a cross-sectional descriptive survey using a convenience sample. The participants were 2199 adolescents in South Korea.

Effectiveness of an education program to reduce negative attitudes toward persons with mental illness using online media.

Purpose: The purpose of this study was to develop an educational program to reduce negative attitudes toward persons with mental illness (PMIs) using online media and to test its effectiveness.

Methods: A nonequivalent control group with a pre-posttest was employed in this study. A total of 143 lay people were enrolled.

Internet addiction and interpersonal problems in korean adolescents.

The purpose of this study was to examine the levels of Internet addiction and interpersonal problems, explore the relationship between the two, and identify the relevant factors of Internet addiction in Korean middle school students. A cross-sectional survey design was used. The participants were 676 middle school students.

Effectiveness of a smoking cessation program for adolescents.

Purpose: The purpose of this study was to test the effectiveness of a comprehensive smoking cessation program for Korean adolescents.

Method: The study design was quasi-experimental with one pre and three post-tests. The three posttests were done immediately after, three months later, and six months after the completion of the program.

Rehabilitation for homeless adolescent substance abusers at a halfway house in Korea.

Purpose: The purpose of this study was to examine the effects of a rehabilitation program on hope and self-efficacy in a sample of homeless adolescent substance abusers at a halfway house in Seoul, Korea.

Methods: Five residents of a halfway house were provided with a 16-week rehabilitation program based on a cognitive-behavioral approach. To evaluate the effectiveness of the program, this study used a single-case experimental design with the variables - hope and self-efficacy - being measured at pre-, post-, and followup tests.