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81.
ResumenEn este trabajo se investigan dos procedimientos de reducción de las conductas autopunitivas que frecuentemente presentan los niños autistas. El primer procedimiento consiste en el reforzamiento de respuestas incompatibles con estas conductas, lográndose así una franca disminución en su frecuencia. El segundo procedimiento parte del supuesto (comprobado en el análisis conductual) que las autopuniciones representan una respuesta de escape ante la ansiedad generada por determinadas situaciones; de este modo, el procedimiento va encaminado a la reducción, o eliminación, de esta ansiedad situacional mediante la técnica de la desensibilización sistemática «in vivo», dando como resultado la eliminación total de las conductas autopunitivas ante estas situaciones, y a más largo plazo, su erradicación del repertorio conductual del sujeto. 相似文献
82.
Ricardo Cuevas Onofre Contreras Tomás García-Calvo Juan-Carlos Pastor 《Infancia y Aprendizaje》2013,36(2):248-277
AbstractThe reduction of racial prejudice is an important challenge of intercultural education. Thus, the aim of this study was to analyze racial prejudice, as well as the different profiles and the possible educational implications in secondary school students. A total of 327 third form students completed the scales of blatant and subtle prejudice and also a scale of emotions towards North Africans. The results showed significant levels of subtle prejudice and four profiles of racial prejudice, with a low number of students showing equalitarian tendencies. A multivariate analysis showed significant differences in prejudice depending on social distance as well as the academic level of the participants’ families. Finally, we discuss the results from the perspective of intercultural education and we suggest some lines of intervention in order to promote the integration of students from different cultures. 相似文献
83.
Xiao Zhang Dongrui Wu Lieyun Ding Hanbin Luo Chin-Teng Lin Tzyy-Ping Jung Ricardo Chavarriaga 《国家科学评论(英文版)》2021,8(4)
An electroencephalogram (EEG)-based brain–computer interface (BCI) speller allows a user to input text to a computer by thought. It is particularly useful to severely disabled individuals, e.g. amyotrophic lateral sclerosis patients, who have no other effective means of communication with another person or a computer. Most studies so far focused on making EEG-based BCI spellers faster and more reliable; however, few have considered their security. This study, for the first time, shows that P300 and steady-state visual evoked potential BCI spellers are very vulnerable, i.e. they can be severely attacked by adversarial perturbations, which are too tiny to be noticed when added to EEG signals, but can mislead the spellers to spell anything the attacker wants. The consequence could range from merely user frustration to severe misdiagnosis in clinical applications. We hope our research can attract more attention to the security of EEG-based BCI spellers, and more broadly, EEG-based BCIs, which has received little attention before. 相似文献
84.
José-Pablo Escobar Ricardo Rosas-Díaz Francisco Ceric Andrés Aparicio Paulina Arango Rodrigo Arroyo 《Cultura y Educación》2018,30(2):368-392
Executive functions (EF) are a set of processes that allow individuals to plan, monitor and organize tasks and thus play a key role in the development of reading and maths skills. Environmental factors such as socioeconomic level (SEL) influence reading and maths skills as well as EFs. The aim of this study is to explore the extent to which executive functions play a mediating role between SEL and reading and maths performance. To this end, we assessed 286 Chilean primary education students: 86 with a high SEL and 200 with a low level. The results show that the high-SEL group obtained consistently higher scores than their peers with low SEL levels in both reading and maths tasks as well as in EF measurements. This suggests that SEL could influence the development of these variables. The results also showed that EFs partially mediate the relation between SEL and reading and maths skills in primary school students through the specific function of inhibition. The results are discussed in light of the effect of SEL on the development of EFs and school learning. 相似文献
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86.
This article reports on a two-part study designed (a) to find the relation, if any, between junior high school students' alternative frameworks on energy held prior to instruction and their cognitive level of operations, either preformal or formal, and (b) to determine the relation, if any, between junior and senior high school students' success or failure in learning about energy and their alternative frameworks, their levels of cognitive operations, and their tendencies toward open- or closed-mindedness. In Part 1, we found no significant relation between junior high school students' prior alternative frameworks on energy and their cognitive levels of operations. In Part 2, we found that significantly better learning outcomes were achieved by students who had higher cognitive level scores. We also found that the extent to which students succeeded in learning the energy concept was a function of their prior knowledge. That is, certain alternative frameworks held prior to instruction may have facilitated the learning process. Finally, we found that the two groups (i.e., those who succeeded in learning about energy and those who did not) could not be distinguished according to scores in open- or closed-mindedness. These finding reinforce the assumption that learning is more domain specific than earlier theorists believed. 相似文献
87.
Ricardo Tarrasch 《Educational studies》2019,45(3):372-389
Students in special education teaching and counselling are exposed to relatively high levels of stress during their studies and their professional career, which are commonly manifested in high occupational burnout. Professional development programmes normally do not address this issue. A practicum course was developed to provide theoretical framework for research on mindfulness, training of self-application techniques, and guidelines for fieldwork teaching of these techniques to children, with the aim of improving quality of life by reducing anxiety and stress levels. Participants of mindfulness and control practicum filled questionnaires at the beginning and end of the year. Significant reduction in stress, rumination and sleep disturbances as well as elevated level of mindfulness were observed in the mindfulness practicum only. The results suggest that mindfulness training can be successfully introduced in traditional academic settings to enhance the personal mental health of future teachers, and subsequently lower their chances to suffer from burnout. 相似文献
88.
We want physics specialized high school and college students to think like physicists, and this involves an understanding of the scientific methods of inquiry and the ability to use these methods in their own investigations. In order to do that, students have to be made aware that no experimental result has any physical meaning unless an estimate of the uncertainty or precision is assigned to it. In this paper, we describe two simple experiments in which high school and college students measure physical constants, and make an easy analysis of their experimental data by applying the tools offered by microcomputers. 相似文献
89.
90.
This paper focuses on children creating representations on paper for situations that change over time. We articulate the distinction between homogeneous and heterogeneous spaces and reflect on children's tendency to create hybrids between them. Through classroom and interview examples we discuss two families of tasks that seem to facilitate children's development of homogeneous spaces: 1) Making selected features directly visible, instead of requiring intermediate steps and calculations; for example, to be able to directly compare different sets of data combined in a single graph, and 2) Exploring well-defined figural components that can be used in graphing, such as line segments or sequencing from left to right, that are introduced as a resource.This revised version was published online in October 2005 with corrections to the Cover Date. 相似文献