Background: We used variable threshold models which accounted for age and gender differences to investigate the genetic and environmental influences on DSM-IV conduct disorder (CD) at the level of symptoms, aggressive versus non-aggressive domains, and full-scale. Method: A community sample of 1100 twin pairs (age 11-18) was interviewed using the…

Admissions data and first-year grade point average (GPA) data from 11 graduate management schools were analyzed to evaluate the predictive validity of Graduate Management Admission Test[R] (GMAT[R]) scores and the extent to which predictive validity held across sex and race/ethnicity. The results indicated GMAT verbal and quantitative scores had…

Children and adolescents in the United States are increasingly overweight at younger ages. Many studies have investigated the issue from the perspective of professionals and other adults. This study assessed early adolescents' perceptions regarding the magnitude of, effects of, causes of, solutions for, and learning preferences related to…

The short form of the Conners-Wells Adolescent Self-Report Scale (CASS:Short) is administered to 319 children and 844 adolescents to investigate whether the instrument can be used with respondents under the age of 12. Mothers of all respondents are asked to rate each child using a measure designed to assess a parallel set of problem behaviors. The…

The aim of this study was three-fold: (1) to determine 6th, 8th and 10th grade students' environmental knowledge and attitudes in Turkey; (2) to investigate the effect of the grade level and gender on students' environmental knowledge and attitudes; (3) to explore how environmentally responsible behaviour is related to environmental knowledge,…

It is believed that learners who experience barriers to learning and development are at risk for formal education and that stimulation can off set these barriers, ensuring that learners are able to actualise their potential. An intervention programme was designed with the aim of improving abilities in learners who had not yet attained the learning…

The purposes of this study were to determine if there is a significant difference in postsecondary business student scores and test completion time based on settable test item exposure control interface format, and to determine if there is a significant difference in student scores and test completion time based on settable test item exposure…

School discipline is viewed as a national concern that is becoming more serious by the day. Practicing teachers, student teachers, and preservice high education students across the country are concerned with discipline-related problems in schools across the nation. Perceptions of discipline influence practicing teachers, student teachers, and…

Based on the Contact Hypothesis (Allport, 1979) a model for understanding the development of attitudes toward LGB relationships among White heterosexual undergraduate students was proposed. Using 401 White heterosexual students (70% women) attending a large public mid-Atlantic university this model was tested. More specifically, the effects of…

Predictors of intention to abstain from sexual intercourse or use condoms consistently with both main and other partners were investigated in 431 Puerto Rican high school students. The basis for this study was the theories of reasoned action (TRA) and planned behavior (TPB), and two predictors from the theory of interpersonal behavior (TIB). As…

Objective: The purpose of this study was to investigate school bullying among public high school students in Turkey. Method: This study used a survey to examine different aspects of bullying in schools. The participants (N=692) were students chosen from five state high schools in Ankara in the 2000-2001 academic year. A self-administered…

Purpose: The purpose of this paper is to investigate the effect of many factors on student evaluation of teaching. Design/methodology/approach: The study analyzed 3,185 student evaluations of faculty from a newly accredited business program at the United Arab Emirates University using univariate and multi-analysis of variance (ANOVA and MANOVA).…

Purpose: A 34-item Likert-type survey instrument, The Reflective, Ethical, and Moral Assessment Survey (REMAS), measuring perceptions of use of reflective, ethical and moral dispositions and leadership practices was developed. Items, component factors, and results of the self-assessment of graduates from an educational leadership preparation…

This study investigated the effectiveness of combining conceptual change text and discussion web strategies on students' understanding of photosynthesis and respiration in plants. Students' conceptual understanding of photosynthesis and respiration in plants was measured using the two-tier diagnostic test developed by Haslam and Treagust (1987,…

While increased academic requirements for high school graduation have long been advocated, current research shows a mixed record in mathematics and science achievement among American middle and high school students relative to some of their international peers. In response to these concerns and other calls for reform, states have increased the…