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291.
Carlos A. LópezLeiva Zayoni Torres Lena L. Khisty 《Cultural Studies of Science Education》2013,8(4):919-934
As English-only efforts continue in the US schooling system, dual-language programs have served as attempts to preserve students’ home language. An after-school, dual-language, Spanish–English, mathematics program, Los Rayos was developed in a predominantly Mexican/Mexican–American neighborhood in Chicago. As participant observers with a sociocultural perspective, we explored the linguistic and personal resources used by participating 4th grade bilingual Latina/o students. We found that students used imaginative, playful, and hybrid linguistic resources to make sense of and solve probability tasks when engaged within a zone of mathematical practice. Results challenge narrow perspectives on bilingual students’ linguistic resources. Language implications are discussed. 相似文献
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Carlos Furió‐Más Jenaro Guisasola Cristina Furió‐Gómez 《International Journal of Science Education》2013,35(11):1337-1358
This paper investigates the views of science and scientific activity that can be found in chemistry textbooks and heard from teachers when acid–base reactions are introduced to grade 12 and university chemistry students. First, the main macroscopic and microscopic conceptual models are developed. Second, we attempt to show how the existence of views of science in textbooks and of chemistry teachers contributes to an impoverished image of chemistry. A varied design has been elaborated to analyse some epistemological deficiencies in teaching acid–base reactions. Textbooks have been analysed and teachers have been interviewed. The results obtained show that the teaching process does not emphasize the macroscopic presentation of acids and bases. Macroscopic and microscopic conceptual models involved in the explanation of acid–base processes are mixed in textbooks and by teachers. Furthermore, the non‐problematic introduction of concepts, such as the hydrolysis concept, and the linear, cumulative view of acid–base theories (Arrhenius and Brönsted) were detected. 相似文献
295.
Benito León del Barco Elena Felipe Casta?o Teresa Gómez Carroza Margarita Gozalo Delgado Carlos Latas Pérez 《European Journal of Psychology of Education - EJPE》2007,22(4):439-454
In the academic year 2004–2005, approximately 400,000 immigrant pupils were enrolled in Spanish schools and six-form colleges.
The racial and ethnic diversity that Spanish society and schools present could be a source of new opportunities and social
enrichment, for the national as well as the immigrant population. However, this contact between nationals and immigrants is
not free of problems. School is one of the areas where attitudes towards different social groups begin to be formed, while
at the same time being the main opportunity that our society has to create an environment of coexistence and attitudinal change.
The first step to look at such a complex phenomenon in more detail is to have evaluation tools available that allow us to
measure it. In this article we present the results referring to psychometric features, and we carry out a differential analysis
of the Scale of attitudes of school-children towards immigrant pupils. 相似文献
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Antonio Valle José Carlos Núñez Ramón G. Cabanach Susana Rodríguez Pedro Rosário Cándido J. Inglés 《教育心理学》2015,35(5):634-650
The aim of the current study was to obtain information from students in higher education on different motivational profiles that resulted from the combination of three academic goals (i.e. learning goals (LG), performance-approach goals and performance-avoidance goals). Moreover, information related to the relevance of each goal within each motivational profile was explored to explain conditions closely related to the academic engagement. The sample consisted of 2556 students from five Spanish universities. Motivational profiles were obtained by using cluster analysis followed by a relevance analysis of each goal within each motivational profile. The results support the hypothesis concerning motivational profiles, and further suggest for motivational profiles with a predominance of LG to be more adaptive. According to our findings, high level of LG in one’s motivational profile appear to be a powerful protective factor in maintaining high interest in academic work, as well as high control beliefs and self-efficacy. 相似文献
300.
Cleiton Silva Correa Bruno Costa Teixeira Roberto Carlos Rebolledo Cobos Rodrigo Cauduro Oliveira Macedo Renata Lopes Kruger Randall Bruce Kreismann Carteri 《Journal of sports sciences》2015,33(18):1890-1901
The aim of this study was to compare the effects of 11 weeks of low-volume resistance training (LVRT) and high-volume resistance training (HVRT) on muscle strength, muscle thickness (MT), and postprandial lipaemia (PPL) in postmenopausal women. Thirty-six healthy and untrained postmenopausal women (age, 58.9 ± 5.8 years; 68.6 ± 10.3 kg; and BMI, 26.9 ± 4.8 kg · m?2) participated in resistance training 3× per week for 11 weeks (HVRT = 12; LVRT = 13; and control group = 11). Biochemical variables, both pretraining and post-training, were evaluated 16 h after the administration of an oral fat tolerance test (OFTT) and metabolic variable during [energy expenditure (EE)] and after training session [excess postexercise oxygen consumption (EPOC)]. Muscle strength (1 RM) and MT were also calculated, and no significant differences were observed between the groups for PPL (mmol · L?1 per 5 h) as measured by glucose, high-density lipoprotein, low-density lipoprotein, and total cholesterol. EE total (EE + EPOC; 6.12 ± 1.21 MJ vs. 2.26 ± 0.85 MJ), resting fat oxidation (5.52 ± 1.69 g · h?1 vs. 4.11 ± 1.12 g · h?1); MT (vastus medialis, 21.4 ± 1.8 mm vs. 18.4 ± 1.2 mm and vastus lateralis 22.3 ± 1.2 mm vs. 20.8 ± 1.3 mm); triacylglycerol (TAG) 0, 1, 2, 4; and 5 h after OFTT, TAG area under the curve (AUC) (5.79 ± 0.42 vs. 7.78 ± 0.68), and incremental AUC (?46.21 ± 14.42% vs. 7.78 ± 4.68%) were all significantly different post-training for HVRT versus LVRT, respectively (P < 0.05). The results of this investigation suggest that HVRT reduces PPL in postmenopausal women. 相似文献