关于校园网络组建的研究

网络应用涉及到社会的各个方面,已对人们的经济和文化生活产生重大影响。通过校园网络的组建,将实现办公、公文处理、日程安排、会议管理、档案管理、财务管理与报销、信息发布等方面实现信息共享和各种类型的无纸化办公等需求。网络组建设计要尽量简单化、结构化、模块化,这样既能节省资金投入,又能便于网络的管理与升级。本文对校园网络的组建采用自顶向下的设计方法进行研究和探索。     

¿Cómo desarrollar secuencialmente el conocimiento fonológico?

A partir de una revisión de los procesos que requiere la “conciencia fonológica”, necesaria para la lectura, se proponen aquí una serie de actividades para desarrollarla.     

From the disjunction between passive and active instruction approaches towards their integration as an alternative for the significant learning of sustainable development / De la disyuntiva entre los enfoques de instrucción pasiva y activa hacia su integración como alternativa para un aprendizaje significativo del desarrollo sostenible

Abstract

This study aims to show how the integration of passive and active learning approaches contributes towards the significant understanding of problems associated with sustainable development. To do this, a case study from the municipality of San Miguel de Achiutla in Oaxaca, Mexico, is used as a general method, with the specific procedure including an instrument based on secondary sources representing the passive learning phase, as well as an instrument created on the basis of primary sources, designed in relation to the active learning component. The passive learning phase enabled us to identify variables pertaining to the highly vulnerable dimensions of sustainable development, and to also detect areas in which there is a deficit of information, since not all data are available, while the active learning phase revealed the causes of vulnerability from the perspective of different agents, including those who experienced the issues directly. In view of the above, we conclude that rather than being exclusive, these two different approaches should in fact be complementary.     

Structure of cartoons,narrative skills and perception of values/countervalues in primary school / Estructura de los dibujos animados,habilidades narrativas y percepción de valores/contravalores en Educación Primaria

Abstract

This study analyses whether narrative skill and the perception of values/countervalues among students in primary school vary according to the structure (narrative vs non-narrative) of the episodes of fiction viewed, the grade age (third and sixth, 8–12 years old), sex and attentional level. With this purpose in mind, quantitative and qualitative methodologies were implemented. The most noteworthy results include the higher narrative skill and perception of values/countervalues of students in the sixth grade of primary school and those who viewed an episode with a narrative structure. The conclusion is that when addressing narrative skills and the education in values/countervalues from the formal and informal spheres, special importance should be attached to the structure of the fiction contents, given that it can to some extent help students make the messages meaningful in terms of values and countervalues.     

¿Usos cotidianos o usos enlatados? Enseñar y evaluar la lectoescritura a sujetos reales y mentes flexibles

En el campo del lenguaje y la lectoescritura, la renovación educativa parece estar situándose en la batalla por el diseño abierto y la evaluación informal. En este artículo se propone un modelo teórico para la lectoescritura flexible que pueda soportar las posibilidades que se abren y evitar los inconvenientes que amenazan a los actuales métodos informales de renovación a los que está dedicado el tema central de este número.     

First‐Generation Undergraduate Students' Social Support,Depression, and Life Satisfaction

First‐generation undergraduate students face challenging cross‐socioeconomic cultural transitions into college life. The authors compared first‐ and non‐first‐generation undergraduate students’ social support, posttraumatic stress, depression symptoms, and life satisfaction. First‐generation participants reported less social support from family and friends, more single‐event traumatic stress, less life satisfaction, and marginally more depression symptomatology than non‐first‐generation participants, but significant generation–gender interactions showed first‐generation women doing worse and first‐generation men doing better than others.     

Agents control in intelligent learning systems: The case of reactive characteristics

Intelligent learning systems (ILSs) have evolved in the last few years basically because of influences received from multi-agent architectures (MAs). Conflict resolution among agents has been a very important problem for multi-agent systems, with specific features in the case of ILSs. The literature shows that ILSs with cognitive or pedagogical agents are prone to arbitration methods, where as ILSs with reactive agents are much in favor of control mechanisms. For these kind of systems, different control types are proposed based on the different stimuli that these agents will receive. These stimuli are aspects to be evaluated during the teaching/learning process such as: (1) error analysis, (2) learning styles, (3) analogies, (4) social aspects, etc.

The paper reviews several ILSs, related to our work; different control mechanisms are proposed to solve the agents' intervention conflicts. Finally, the use of several mechanisms is exemplified by the results of a specific ILS.     

Stability of switching linear systems with switching signals driven by stochastic processes

This paper presents conditions to assure the exponential stability in probability for autonomous switching linear systems. The switching signal acting on the autonomous system produces intervals that follow independent, identically distributed stochastic processes—the stability then follows by verifying simple-to-check linear matrix inequalities.     

Porto street stage at Rally Portugal: the determinants of the length of stay

ABSTRACT

We present the determinants of the length of stay (LOS) of Porto Street Stage that integrated the program of the 52nd edition of Rally de Portugal. Sport events assume an important role in the marketing of tourism destinations. However, when we compare them with other segments in tourism, it still remains underexplored. This study represents an opportunity to contribute to the literature, and it could become a significant toll for the organizers, public entities and other stakeholders. We contemplate a set of information and data that may improve the management of the future editions in a more rigorous and effective way. As we are dealing with an international event, it is an occasion to enlist tourists and promote the tourist destination. We applied a quantitative analysis and considered the sociodemographic characteristics of the spectators, factors that influenced the trip, expenses per day in the city, level of satisfaction with the event, and the intention to return. An OLS regression model, a Weibull survival model and a zero-truncated negative binomial regression model were estimated, and the results were compared. On the LOS determinants it is not common to consider the influence of each item of expenditure during the stay and the satisfaction levels with the event and different effects were observed. The travel and accommodation expenditures present a negative effect on the LOS. In the opposite side the satisfaction level and intention to return, both present a positive effect on the LOS. The sociodemographic characteristics have diverse impacts on the LOS.