Este trabajo intenta contribuir con el conocimiento de la epidemiología de la tripanosomiasis en bovinos tropicales. El estudio se realizó en bovinos del valle de Aroa, Venezuela mediante un muestreo estratificado polietápico, seleccionándose 387 animales de dos unidades agroecológicas (U.A.)…

El agua es un bien abundante en el planeta Tierra y los seres humanos son su principal agente contaminante, en detrimento de su calidad de vida. Incluida la Constitución Nacional, la normativa venezolana es abundante en disposiciones legales para obligar…

The purpose of this study was to assess the pedagogical equivalence, as determined by knowledge gains, and the pedagogical effectiveness of certain components in a video-driven multimedia, web-based professional development training program as compared to a traditional, face-to-face program under…

Este artículo se enmarca dentro de la polémica de las estrategias en formación de valores en la casa y la escuela. Muestra la institución educativa como el lugar donde se abre la posibilidad de establecer relaciones con sujetos que tienen…

This study had three purposes: Firstly, to develop a categorization of research areas in distance education; secondly, to identify the most important research areas in distance education; and thirdly, to identify the most neglected research areas in distance education. Based…

Computing is a broad discipline that crosses the boundaries between mathematics, science, and engineering. New computing disciplines emerge over time and knowledge changes rapidly in computing. Therefore, several reports that define and update guidelines for computing curricula have appeared over…

Adult learners value the flexibility and convenience offered to them as online learners, and many learners are required to absent themselves from their online classes during courses in order to accommodate demanding schedules. What factors and tensions contribute to learners’…

This paper presents a study of uncertainty dimensions of information behaviour in a group based problem solving context. After a presentation of the cognitive uncertainty dimension underlying Kuhlthau’s ISP-model, uncertainty factors associated with personality, the work task situation and social…

Transient receptor potential vanilloid-3 (TRPV3) is a thermo-sensitive ion channel expressed in skin keratinocytes and in a variety of neural cells. It is activated by warmth as well as monoterpenoids including camphor, menthol, dihydrocarveol and 1,8-cineol. TRPV3 is described as…

Dans ce mémoire, nous proposons l’étude des représentations sociales du politique dans la presse quotidienne. Notre objet d’étude est le sens de la nation au Québec dans une période historique où la notion idéologique de nation s’avère un cadre de…