989 resultados para Refreshable braille displays


Relevância:

20.00% 20.00%

Publicador:

Resumo:

Abstract: The paper describes an auditory interface using directional sound as a possible support for pilots during approach in an instrument landing scenario. Several ways of producing directional sounds are illustrated. One using speaker pairs and controlling power distribution between speakers is evaluated experimentally. Results show, that power alone is insufficient for positioning single isolated sound events, although discrimination in the horizontal plane performs better than in the vertical. Additional sound parameters to compensate for this are proposed.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Summary: Recent research on the evolution of language and verbal displays (e.g., Miller, 1999, 2000a, 2000b, 2002) indicated that language is not only the result of natural selection but serves as a sexually-selected fitness indicator that is an adaptation showing an individual’s suitability as a reproductive mate. Thus, language could be placed within the framework of concepts such as the handicap principle (Zahavi, 1975). There are several reasons for this position: Many linguistic traits are highly heritable (Stromswold, 2001, 2005), while naturally-selected traits are only marginally heritable (Miller, 2000a); men are more prone to verbal displays than women, who in turn judge the displays (Dunbar, 1996; Locke & Bogin, 2006; Lange, in press; Miller, 2000a; Rosenberg & Tunney, 2008); verbal proficiency universally raises especially male status (Brown, 1991); many linguistic features are handicaps (Miller, 2000a) in the Zahavian sense; most literature is produced by men at reproduction-relevant age (Miller, 1999). However, neither an experimental study investigating the causal relation between verbal proficiency and attractiveness, nor a study showing a correlation between markers of literary and mating success existed. In the current studies, it was aimed to fill these gaps. In the first one, I conducted a laboratory experiment. Videos in which an actor and an actress performed verbal self-presentations were the stimuli for counter-sex participants. Content was always alike, but the videos differed on three levels of verbal proficiency. Predictions were, among others, that (1) verbal proficiency increases mate value, but that (2) this applies more to male than to female mate value due to assumed past sex-different selection pressures causing women to be very demanding in mate choice (Trivers, 1972). After running a two-factorial analysis of variance with the variables sex and verbal proficiency as factors, the first hypothesis was supported with high effect size. For the second hypothesis, there was only a trend going in the predicted direction. Furthermore, it became evident that verbal proficiency affects long-term more than short-term mate value. In the second study, verbal proficiency as a menstrual cycle-dependent mate choice criterion was investigated. Basically the same materials as in the former study were used with only marginal changes in the used questionnaire. The hypothesis was that fertile women rate high verbal proficiency in men higher than non-fertile women because of verbal proficiency being a potential indicator of “good genes”. However, no significant result could be obtained in support of the hypothesis in the current study. In the third study, the hypotheses were: (1) most literature is produced by men at reproduction-relevant age. (2) The more works of high literary quality a male writer produces, the more mates and children he has. (3) Lyricists have higher mating success than non-lyric writers because of poetic language being a larger handicap than other forms of language. (4) Writing literature increases a man’s status insofar that his offspring shows a significantly higher male-to-female sex ratio than in the general population, as the Trivers-Willard hypothesis (Trivers & Willard, 1973) applied to literature predicts. In order to test these hypotheses, two famous literary canons were chosen. Extensive biographical research was conducted on the writers’ mating successes. The first hypothesis was confirmed; the second one, controlling for life age, only for number of mates but not entirely regarding number of children. The latter finding was discussed with respect to, among others, the availability of effective contraception especially in the 20th century. The third hypothesis was not satisfactorily supported. The fourth hypothesis was partially supported. For the 20th century part of the German list, the secondary sex ratio differed with high statistical significance from the ratio assumed to be valid for a general population.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Resumen del autor en catalán

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Resumen tomado de la revista

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Resumen tomado de la publicación

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Resumen tomado de la publicación. El trabajo obtuvo el Primer Premio en el apartado 'Trabajos sobre material docente adaptado' del 'XVIII Concurso de Investigación Educativa sobre Experiencias Escolares' convocado en 2004 por la ONCE

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Resumen tomado de la publicación. El trabajo obtuvo el segundo premio en el 'XIII Concurso de Investigación Educativa sobre Experiencias Escolares' convocado en 1999 por la Dirección de Educación de la ONCE

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Resumen tomado de la publicación. El trabajo obtuvo el primer premio del 'XIII Concurso de Investigación Educativa sobre Experiencias Escolares', convocado en 1999 por la ONCE

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Resumen tomado de la publicación

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Resumen basado en el de la publicación. Resumen en inglés

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Proyecto de integración de niños ciegos en un centro educativo. La base de esta experiencia es que todos aquellos que rodean al niño ciego deben entender sus dificultades y aceptarle. Para ello, muestra una serie de actividades que, por medio de fichas, pueden realizarse en el aula. Finaliza con un apartado dedicado a la ONCE y a su labor educativa.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Esta investigación está centrada en la lectura a través del sistema braille. Concretamente se estudian las repercusiones que tienen las peculiaridades del sistema braille en el proceso de lectura, el canal de recogida de la información escrita, el tacto, y el código de notación.. Para ello se han realizado tres estudios de investigación. El primer estudio presentado se centra en la forma en que se recoge la información consistema braille, mediante la presentación de textos con diferentes formas de fragmentación a través de la técnica conocida como ventana móvil. En el segundo estudio se analizan los procesos de reconocimiento de las palabras braille, utilizando para ello la tarea de nombrado, a través de la manipulación de las variables tipo, frecuencia y longitud de las palabras. El tercer estudio de este trabajo evalúa las estrategias de recogida de la información escrita mediante el movimiento de las manos. En este caso se utiliza una metodología observacional.. De esta tesis se desprende un conjunto de implicaciones educativas destinadas especialmente a la modificación de los métodos de enseñanza del sistema braille..

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Se presenta una experiencia de enseñanza y aprendizaje de la lectoescritura, realizada con un enfoque constructivista y desarrollada en un aula de primer curso de primaria del CP San Francisco Javier de Elizondo en el curso 89-90. Los resultados se consideran muy positivos, ya que es posible apreciar una clara evolución en el aprendizaje de la lectoescritura, si se contextualiza en actividades más globales que realcen su significado funcional.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Se trata de una guía práctica para la enseñanza de la lectura y la escritura del Braille con una secuencia de actividades para iniciar a niños ciegos de cuatro o cinco años en el aprendizaje de este lenguaje. Libro que ofrece ayuda al profesorado que tiene integrado a alumnos-as ciegos en su aula, y a los padres que deseen colaboran en el proceso de enseñanza y aprendizaje del Braille. Se presenta un modelo de intervención en el que se presenta el material elaborado a los largo de la experiencia y los resultados alcanzados.