The Role of Values in Predicting Talk Radio Listening: A Model of Value Equivalence

Nontraditional sources of news, such as talk radio and the Internet, complement and sometimes replace traditional mainstream news sources. Using discriminant function analysis, this study reveals the role of values in predicting listening to political talk and religious radio programs. A model using the construct of “value equivalence” explains value differences between user and media that may affect whether or not news from nontraditional sources will be sought and used. Research questions are answered using data from the 2004 Pew Research Center Biennial Consumption Survey. Using selected independent variables (including value-based variables) to predict listening to the Rush Limbaugh program, 59% of all cases in this study were correctly classified. Using the same set of value-based variables to predict listening to religious radio shows yielded nearly 74% correctly classified cases.     

Oxidative Stress and Skin Cancer: An Overview

Skin is the largest body organ that serves as an important environmental interface providing a protective envelope that is crucial for homeostasis. On the other hand, it is a major target for toxic insult by a broad spectrum of physical and chemical agents that are capable of altering its structure and function. There are a large number of dietary contaminants and drugs can manifest their toxicity in skin. These environmental toxicants or their metabolites are inherent oxidants and/or directly or indirectly drive the production of a variety of reactive oxidants also known as reactive oxygen species. These are short-lived entities that are continuously generated at low levels during the course of normal aerobic metabolism. These are believed to activate proliferative and cell survival signaling that can alter apoptotic pathways that may be involved in the pathogenesis of a number of skin disorders. The skin possesses an array of antioxidant defense mechanisms that interact with toxicants to obviate their deleterious effect. The “antioxidant power” of a food is an expression of its capability both to defend the human organism from the action of the free radicals and to prevent degenerative disorders. Plants like olive trees have their own built-in protection against the oxidative damage of the sun, and these built-in protectors function as cell protectors in our own body. Although many antioxidants have shown substantive efficacy in cell culture systems and in animal models of oxidant injury, unequivocal confirmation of their beneficial effects in human populations has proven elusive.     

Examining focus,duration, and classroom impact of literacy and mathematics professional development

Over $18 billion is spent annually on professional development for in-service teachers. This study examined the focus, duration, and impact of professional development activities in which elementary (students ages 5–11) and middle school (students ages 11–14) teachers participated. Ninety-eight teacher-participants completed an online survey about their professional development experiences. In the analysis of literacy survey items and mathematics survey items, there were similarities in focus areas that received greater participation and areas that received less. There were also noticeable differences in frequency of participation in literacy and mathematics professional development. Comparisons between literacy and mathematics professional development indicated that more teachers reported participating in literacy experiences. This included workshops as well as ongoing support through planning meetings and mentorship. Overall, the consensus from teachers was that professional development was effective and has a beneficial impact on their classroom. Researchers share implications for the design and research of future professional development programs.     

Assessing children's perceptions of prosocial and antisocial peer behaviour

The aims of this study were to administer an assessment measure that would identify prosocial children, bullies and their victims, and to examine the underlying structure of children's perceptions of peer social behaviour in these three groups. Three versions (peer nomination, self and teacher rating) of a newly developed child social behaviour questionnaire (CSBQ) were completed by children (aged 9/10 years, n=321) and their teachers in 14 Scottish primary schools. The CSBQ is distinguished from other extant measures by its joint focus on both prosocial and antisocial child behaviours, and by its use of concrete and empirically derived items. In conjunction with sociometric data, which was also elicited from the children, the CSBQ yielded scores on 12 behavioural dimensions. Based upon the peer nomination data, a set of rigorous criteria, capable of reliably identifying children in the three groups, was developed to take account of varying peer nomination practices within and between schools. Factor analysis of the 12 measures yielded four factors (two antisocial factors, a prosocial factor and a victim factor) which accounted for 71% of the variance, and which offer further insight into the organisation of children's perceptions of social behaviour. Gender differences in peer nomination patterns and comparisons between the different informant groups are discussed in relation to previous work.     

Extracting Data Off the Internet

This article shows how to use Microsoft Excel to get data from the Internet into a statistically usable form.     

Effective partnership? Perceptions of PGCE student teacher supervision

In England and Wales, Initial Teacher Education depends upon a legal and contractual partnership between schools and higher education institutions in which teacher mentors are often trained to support student teacher development. This paper investigates the much less formal kind of partnership model that has evolved in Scotland, using one university's PGCE (Secondary) programme as a case study. Our research shows that the partnership is based on goodwill and relationships built up over time between university and school staff. However, school staff generally have only a weak understanding of the overall direction of the PGCE programme and they are uncertain about how best to fulfil their role in placement supervision. Partly in consequence, students find it hard to integrate school and university experiences and the quality of placement is very uneven. We identify scope for the development of mentoring skills among teachers and argue that current developments in Scottish education mean that this is a propitious time to begin to strengthen the links between school and university components of PGCE programmes.

En Angleterre et au Pays de Galle, la formation initiale des professeurs repose sur un partenariat contractuel et juridique entre les écoles et les Instituts de formation, c'est‐à‐dire que des professeurs sont formés en tant que mentors pour veiller au bon développement des étudiants. Dans cet exposé nous allons étudier un modèle de partenariat beaucoup moins formel qui s'est développé en Ecosse, en nous basant sur le cas d'étude du programme du PGCE (professeurs du secondaire) d'une université. Nos recherches montrent que le partenariat est basé sur de la bonne volonté et sur des relations bâties au cours des années entre l'université et les enseignants en collège. Cependant en général ces derniers n'ont pas une vision très claire de la direction globale du programme du PGCE et ne savent pas quelle est la meilleure manière de remplir leur rôle de superviseur durant les stages. En partie pour cette raison, les étudiants ont des difficultés à faire le lien entre leur expérience au collège et leur expérience à l'université et la qualité des stages est donc très inégale. Nous constatons donc qu'il faut que les professeurs soient mieux formés à leur rôle de mentor et que—en raison des développements qui ont lieu à l'heure actuelle dans le domaine de l'éducation en Ecosse—le moment est propice pour commencer à créer des liens plus étroits entre les composants universitaires et les stages en collège des programmes du PGCE.

En Inglaterra y Gales, la Educación Inicial del Profesor depende de la asociación legal y contractual entre los colegios y los institutos de educación superior, por donde enseñan a los mentores de profesores a apoyar el desarrollo del profesor en prácticas. Este artículo examina el modelo de asociación mucho menos convencional que ha desarrollado en Escocia, utilizando el programa de PGCE (secundario) de una universidad como estudio de casos. Nuestras investigaciones demuestran que la asociación se funda en la buena voluntad y las buenas amistades que se hace durante cierto tiempo entre la universidad y el personal docente del colegio. Sin embargo, el personal docente del colegio tiene solamente una comprensión floja de la dirección global del programa PGCE, y no está seguro de lo que podría hacer por lo bueno para desempeñar su papel durante la supervisión de la colocación. En cierto modo por consiguiente, los estudiantes tienen dificultades para integrarse en las experiencias del colegio y de la universidad, y la calidad de la colocación es muy desigual. Identificamos el campo de aplicación para el desarrollo de destrezas de mentores entre los profesores, y sostenemos que el desarrollo actual en la educación escocesa significa que ahora es un período propicio para empezar a consolidar las conexiones que hay entre los componentes del colegio y de la universidad en el programa de PGCE.

In England und im Wales, Ausgangslehrerausbildung hängt nach einer zugelassenen und Vertragsteilhaberschaft zwischen Schulen und Ausbildunganstalten ab, in denen Lehrermentors häufig ausgebildet werden, um Kursteilnehmerlehrerentwicklung zu stützen. Dieses Papier forscht die viel weniger formale Art des Partnerschaftssmodells, das sich in Schottland entwickelt hat mit dem PGCE (Sekundär) Programm von einer Universität als Fallstudie. Unsere Forschung zeigt, daß diese Partnerschaft auf dem Wohlwollen und Verhältnissen basiert, die Überzeit zwischen Universität und Schulestab aufgebaut werden. Jedoch hat Schulestab im Allgemeinen nur ein schwaches Verständnis der gesamten Richtung des PGCE‐Programms und sie sind unsicher über, wie man gut ihre Rolle in der Plazierungsüberwachung erfüllt. Teils infolgedessen, finden Kursteilnehmer es hart, Schule zu integrieren und Hochschulerfahrungen und die Qualität der Plazierung ist‐sehr ungleich. Wir kennzeichnen Bereiche für die Entwicklung von mentoring Fähigkeiten unter Lehrern und argumentieren daß gegenwärtige Entwicklungen im schottischen Ausbildungsmittel, daß dieses eine günstige Zeit ist anzufangen, die Verbindungen zwischen Schule und Hochschulbestandteilen der PGCE‐Programme zu verstärken.     

Evaluating the use of ICT in engineering education

This paper is based on an evaluation of a mixed mode course called Learning Numerical Methods for Partial Differential Equations from the Web. The authors discuss the impact of information communication technology (ICT) on the provision of tertiary education and cite the course as an example of how it can be used at the subject level. The course employed ICT in a number of different ways. The introductory part of the course was held in a specifically designed video-conferencing facility that had a range of ICT capabilities. The design of the room is critiqued as is the use that was made of it. Throughout the paper the authors emphasize the point that ICT is a powerful tool for teaching and learning but failure to plan, deliver and assess ICT-based courses on sound pedagogical grounds merely means that poor teaching and learning practices are disseminated more widely and more quickly. On the basis of our evaluation we propose a simple set of questions that can be used to evaluate the best use of ICT in engineering education.