Improving the reasoning skills of adolescents across the United States has become a major concern for educators and scientists who are dedicated to identifying evidence-based protocols to improve student outcome. This small sample randomized, control pilot study sought to determine the efficacy of higher-order cognitive training on gist-reasoning and fact-learning in an inner-city public middle...

background: smoking among youths is a main public health concern, and detecting predictors of smoking is essential for designing preventive programs. any interventional program should plan with highlighting on behavioral change models and based on operative interventional program. so, this study aimed to investigate school-based smoking prevention programs for middle school students in nowshahr...

The objective of the present study was to determine the prevalence of chronic fatigue syndrome (CFS) and its associated factors in middle-school students in Suzhou, China. From September 2010 to January 2011, across-sectional study was conducted in junior- and senior middle-school students aged 10 to 18 years using a battery of confidential questionnaires. Our results indicate that 18,139 compl...

Hierarchical linear modeling (HLM) techniques were used to explore interactions among individual and contextual variables and their effects on initial self-esteem levels and changes in these levels across the three years of middle school in a large, diverse sample (N = 1804 students attending 23 schools). Interactions among race, social class, school socioeconomic status (SES), and contextual c...

This study investigates the measurement invariance as a function of gender and educational level of the Homework Behavior Questionnaire (Ktpc), an instrument developed to assess students’ homework selfregulation strategies. A sample of 1400 elementary and middle school students was used. Results of confirmatory factor analysis indicated a good fit of the theoretical model composed of three dime...

OBJECTIVE To determine the changes in percentage of body fat, cardiovascular fitness, and insulin levels during the 3-month summer break in overweight children enrolled in a school-based fitness program. STUDY DESIGN Overweight middle-school children were randomized to a lifestyle-focused physical education class (treatment) or standard physical education class (control) for 1 school year (9 ...

This study tests the hypothesis that undergraduates who peer teach genetics will have greater understanding of genetic and molecular biology concepts as a result of their teaching experiences. Undergraduates enrolled in a non-majors biology course participated in a service-learning program in which they led middle school (MS) or high school (HS) students through a case study curriculum to disco...

Background Students' mental health is associated to academic performance. In high income countries, higher students' grades are related to lower odds of suicidal behaviors, but studies on other indicators of academic performance are more limited, specially in middle income countries. Methods Data from 28,519 middle and high school students selected with multistage clustered sampling in the Me...

EDUCATIONAL FUTURE ORIENTATION OF MIDDLE SCHOOL LATINO STUDENTS by Alonso Romero The lack of educational attainment among Latino youth, as evidenced by high school dropout rates, is a growing and costly problem that affects not only Latinos but society as a whole. Using a sample of 139 middle school Latino students, primarily of Mexican descendant, the current study used cluster analysis to ide...