Los moluscos son muy apreciados como alimento para el hombre y en Venezuela se aprovechan comercialmente almejas (Asaphis deflorata), ostras (Pinctada imbricata y Crassostrea rhizophorae), pepitonas (Arca zebra), pulpos (Optopus vulgaris), calamares (Loligo plei), vieiras (Amusium papyraceum), mejillones (Perna perna…

In this article we study the effect of uncertainty on an entrepreneur who must choose the capacity of his business before knowing the demand for his product. The unit profit of operation is known with certainty but there is no…

Despite earlier evidence to the contrary, recent inquiries appear to reach a consensus that the poor
pay more for food. However, these studies utilize samples drawn on the basis of prior
knowledge of unfair pricing strategies, proximity of volunteer surveyors,…

Las competencias representan el despliegue de una forma de razón que anula el "yo pienso" y "cómo yo explico" que debe darse en el diálogo de saberes como expresión intersubjetiva. En este contexto, el proceso tradicional de evaluación está vinculado…

The role of parents within special education teacher preparation programs has been widely recognized. Traditional approaches for preparing special educators to interact with parents of children with special needs have been mainly classroom based promoting a narrow view of the…

In this study I use critical discourse analysis to explore how one special education teacher who is informed by a sociocultural perspective of disability deconstructs disability in the way that she talks about her practice as a special educator and…

We instillate rational cognition and learning in seemingly riskless choices and judgments. Preferences and possibilities are given in a stochastic sense and based on revisable expectations. the theory predicts experimental preference reversals and passes a sharp econometric test of the…

La evaluación de los aprendizajes, como actividad prominente de los procesos formativos por su decisiva acción pedagógica, obliga constantemente a reflexionar y debatir sobre su práctica. Esto conduce a inquietantes cuestionamientos: ¿cómo se debe evaluar?, ¿son apropiadas las técnicas e…

Hasta la fecha, el conocimiento tecnológico ha estado diluido en los conocimientos generales que brinda la escuela, y lo fundamental se adquiere informalmente en las actividades de la vida cotidiana. La Educación en Tecnología es un saber que permite la…

The aim of this paper is to discuss the definition and the parameters of parental involvement. It looks at the psychological aspect of the term (i.e. from the point of view of the individual parent) while it recognizes the importance…