Malathion is an organophosphorus insecticide, which is often sprayed to control mosquitoes. When applied to aquatic habitats, malathion can also influence the embryogenesis of non-target organisms such as frogs and fish. We modified the frog embryo teratogen assay in "Xenopus" (FETAX), a standard toxicological assay, into an investigative…

Concept learning in science and mathematics had often times been taught based on assumptions of alternative concepts or even in some instances based on misconceptions. Some educational researchers favour a constructivist approach in teaching science and mathematics. The constructivist literature existing makes use of alternative conceptions as…

Constructivist literature has become increasingly prominent in the area of special education. The nature of constructivism and its relevance and limitations for students with special needs is discussed, as is the importance of appropriate research in determining the efficacy of instructional interventions. A search of the literature into the…

Constructivist literature has become increasingly prominent in the area of special education. The nature of constructivism and its relevance and limitations for students with special needs is discussed, as is the importance of appropriate research in determining the efficacy of instructional interventions. A search of the literature into the…

Teachers need to assess learner portfolios in the field of education. However, they need support in the process of designing and practicing what kind of portfolios are to be assessed. To solve the problem, a formal method of describing the relations between the lesson forms and portfolios that need to be collected and the relations between…

Introduction: Grand rounds are a traditional means of continuing education for specialist physicians. The purpose of this study was to determine the need for and feasibility of interactive videoconferenced grand rounds between an academic health center and community specialists practicing in the three provinces served by the health center.…

Introduction: The objectives of continuing medical education (CME) programs include knowledge acquisition, skill development, clinical reasoning and decision making, and health care outcomes. We conducted a yearlong medical education research study in which knowledge acquisition in our CME programs was assessed. Method: A randomized…

An increasing number of children and young people are being excluded from school as a direct result of anger management problems. The research literature suggests that short cognitive-behavioural intervention programmes may be effective in helping young people understand and control their anger. The aim of the current study was to evaluate the…

The study investigated the general attitude of Nigerian secondary school teachers toward peer evaluation of teachers. It also sought to determine whether teacher characteristics such as gender, school geographical location, academic qualification and teaching experience affected Nigerian teachers' attitude toward peer evaluation of teachers. To…

The fact that children growing up in poverty are likely to be in the lower ranges of achievement on standardised literacy tests is not a new phenomenon. Internationally there are a myriad of intervention and remedial programmes designed to address this problem with a range of effects. Frequently, sustainable reforms are curtailed by deficit views…

The author describes potential evaluation capacity-building activities in contrast to the specifics of an evaluation design. Her response to the case of the Bunche-Da Vinci Learning Partnership Academy is developed in three parts: (1) an initial framing of the Bunche-Da Vinci situation; (2) what should be done before signing a contract; and (3)…

The purpose of this descriptive study was to generate information about imminent concerns of adult children that could serve as initial context for development of a meaningful framework for coping with an ongoing parent care situation. Ninety-two adult children pre-selected for self-reports of crisis were interviewed about their concerns and goals…

This study examined the effectiveness of different topics/activities included in a freshman orientation course in enhancing the students' perception of their successful adjustment to college life and the impact of these subjects on the student level of persistence. The results support the Tinto stage model of persistence since the elements of the…

This manuscript describes how two school administrators, now educational leadership professors, successfully reframed leadership to create change. Bolman and Deal's (1984; 2003) reframing of pedagogy provided the theory for understanding this complex change process and the school administrator's role. As a conceptual framework, reframing theory…

Objective: To describe the rationale and design of the Preschool ADHD Treatment Study (PATS). Method: PATS was a National Institutes of Mental Health-funded, multicenter, randomized, efficacy trial designed to evaluate the short-term (5 weeks) efficacy and long-term (40 weeks) safety of methylphenidate (MPH) in preschoolers with…