Background: Attention-deficit/hyperactivity disorder (ADHD) is strongly influenced by heritability. Identifying heritable vulnerability traits (endophenotypes) that mark a relatively high risk of developing the disorder can contribute to the identification of risk genes. A fruitful area for the search for such endophenotypes may be motor control…

This study, the purpose of which is to determine an efficient instructional design for different levels of spatial abilities, investigates: (1) the main effects of visual treatments in simulation environments on comprehension and the transfer of chemistry knowledge and (2) the interaction effects of the visual treatments and the learners' spatial…

The present study reports the short- and long-term effects of an anti-bullying intervention program based on a particular set of curricular activities that aimed to create classroom opportunities for awareness raising, self-reflection, and problem-solving situations relevant to bullying. The core of the intervention was a four-week period during…

This study sought to determine the emotional effects of a major community toxic release on children in the exposed community while controlling for the potential effects of response bias. Controlling for the response bias inherent in litigated contexts is an advance over previous studies of toxic exposure in children. A randomly selected…

Several visuo-motor tasks can be used to demonstrate biases towards left hemispace in schizophrenic patients, suggesting a minor right hemineglect. Recent studies in neglect patients used a new number bisection task to highlight a lateralized defect in their visuo-spatial representation of numbers. To test a possible lateralized representational…

Many English professionals do not seem to pay much attention to the use of L1 in English language classrooms, based on the tenets that English should be taught in English to expose the learners to English which would enhance their knowledge of English and accelerate their learning. While research findings have been inconsistent in relation to this…

This study examined the impact of the 2+2 Alternative Teacher Performance Appraisal System that has been implemented in Shanxi province in China. A mixed research design was used to evaluate the program. Six high schools and a total of 78 teachers (13 teachers in each school) in Shanxi province were selected. Three of the schools participated in…

According to the national results of the English diagnostic test (2004) applied to Chilean 8th and 12th graders, the current English teaching methodology used in this country is not efficient nor effective. Consequently, a different methodology is urgently needed, particularly in a context where students primarily come from rural areas and will be…

This study empirically investigates the effectiveness of Distributed Leadership Teacher Training (DLT) program on improving student's academic achievement. In addition, it both tests the assumption that the year 1 impacts are stable across calendar years and examines the importance of properly accounting for the fact that the standard error of the…

The purpose of this study was to investigate the effect of classroom performance assessment on the EFL students' basic and inferential reading skills. A pretest-posttest quasi-experimental design was employed in the study. The subjects of the study consisted of 64 first-year secondary school students in Menouf Secondary School for Boys at Menoufya…

Background: The study is the first within trial cost analysis of direct versus indirect and individual versus group modes of speech-and-language therapy for children with primary language impairment. Aims: To compare the short-run resource consequences of the four interventions alongside the effects achieved measured by standardized scores on a…

Purpose: This exploratory study examined the feasibility of homeless parents' participation in an intervention to increase use of facilitating language strategies during interactions with their preschool children while residing in family homeless shelters. This study also examined the intervention's impact on the parents' use of facilitating…

The authors aimed to investigate factors associated with smoking cessation among adolescents after tobacco intervention. They examined smokers (n = 127) from one birth cohort (n = 545) in the city of Kotka in Finland. These smokers were randomized in 3 intervention groups the dentist (n = 44) and the school nurse (n = 42 groups), and a control…

The present study aims to determine the impact of blended learning model on student attitudes towards Geography course and their critical thinking dispositions and skills. An experimental pattern with pretest-posttest control group was used in the study. The study group consists of a total of 57 students--28 in the experiment group and 29 in the…

High school students can access original scientific research articles on the Internet, but may have trouble understanding them. To address this problem of online literacy, the authors developed a computer-based prototype for guiding students' comprehension of scientific articles. High school students were asked to read an original scientific…