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81.
In this paper, we analyse the aims, contents and impact of Seabra’s two-volume textbook – Elementos de Chimica (Elements of Chemistry) – published in 1788 and 1790. Seabra’s Elements of Chemistry does not conform to the characteristics usually ascribed to textbooks by traditional historiography, and in particular to
textbooks published in the peripheries. Marking the arrival of the new chemistry in Portugal, in a period in which many still
resisted Lavoisier’s chemistry, this textbook was a state of the art account written in Portuguese, interspersed with critical
evaluations, original comments and novel contributions. Despite being the only Portuguese chemistry textbook written during
this period, it had hardly any readers, even among its natural audience at the University of Coimbra. 相似文献
82.
Alicia Bruno Aurelia Noda 《International Journal of Disability, Development & Education》2019,66(2):171-185
ABSTRACTWe present an evaluation of the understanding that adolescents and adults with Down syndrome (DS) have of the decimal number system. The results of two studies are presented. The first was a case study with interviews of three adolescents and three adults with Down syndrome. Our results indicate that their conceptual understanding of the meaning of the tens and hundreds places is not as well developed as their ability to read, write and work with numbers of up to three digits. We also analyse the progress made by a 17- year-old student with Down syndrome after following a learning programme intended to improve her understanding of the tens place. To this end, we designed number tasks using four constructs: counting, grouping, partitioning and ordering. The student’s achievements in the counting construct were greater than in the others, exhibiting an understanding and use of the tens as a unit of counting to solve many of the number tasks proposed. Also evident was a progression in her understanding of the positional value. We observed differences in her success rate and variability in her responses depending on the method used in the tasks to represent the numbers. 相似文献
83.
84.
Fernando Alonso Genoveva López Daniel Manrique José M. Viñes 《British journal of educational technology : journal of the Council for Educational Technology》2005,36(2):217-235
Web‐based e‐learning education research and development now focuses on the inclusion of new technological features and the exploration of software standards. However, far less effort is going into finding solutions to psychopedagogical problems in this new educational category. This paper proposes a psychopedagogical instructional model based on content structure, the latest research into information processing psychology and social contructivism, and defines a blended approach to the learning process. Technologically speaking, the instructional model is supported by learning objects, a concept inherited from the object‐oriented paradigm. 相似文献
85.
José Gonçalves Gondra Carlos Eduardo Vieira Regina Helena Silva Simões Claudia Engler Cury 《Paedagogica Historica: International Journal of the History of Education》2014,50(6):822-829
This article analyses the general characteristics of the construction of the field of history of education in Brazil. To do so, it highlights the existing historiography and aims to describe the process of institutionalisation of this knowledge field, which, in general terms, has been focused on the area of teacher training. Since the nineteenth century, however, it has also been possible to identify systematic historiographical efforts in Brazil that are not directly related to the school system, but rather to the teaching of and research into the history of education within Brazilian universities. The article addresses the organisation of the field, the ways in which it has been structured and the strategies of academic legitimisation employed to achieve this. These include the regular production of dissertations and doctoral theses, the publication of books and journals, academic events and the creation of research groups and scientific associations, through which research findings have found national and international circulation. This set of indicators creates conditions for an understanding of the expansion and reconfiguration of the field of history of education that began in the 1980s, as well as of the challenges this phenomenon presents to current historiography and teacher training in Brazil. 相似文献
86.
John Sandford Eugene Pons Hans Brack Olaf Rydbeck Edward W. Ploman Bruno Vasari 《Communication Booknotes Quarterly》2013,44(6):66-68
John Sandford's The Mass Media of the German-Speaking Countries (London: Oswald Wolff; and Ames: Iowa State University Press, 1976---price not given, paper) Publizistik. Vierteljahreshefte fur Kommunikationsforschung (= subtitle, meaning Quarterly for Communication Research) Rundfunk und Fernsehen (Broadcasting and Television) Femselsen und Bildung (Television and Education) Communicatio Socialis Broadcast Receiving Fees in France, by Eugene Pons (EBU Monograph No. 7, 194 pp., 1969, 20 Swiss francs or about $5.00, paper) German Radio and Television: Organization and Economic Basis, by Hans Brack (EBU Monograph No. 6, 68 pp., 1968, 8 Sw. Fr. or about $2.00, paper) Broadcasting in the Space Age, by Olaf Rydbeck and Edward W. Ploman (EBU Monograph No. 5, 53 pp., 8 Sw. Fr. or about $2.00, paper) Advertising on Radio and Television (EBU Monograph No. 4, 37 pp., 1966, 5 Sw. Fr. or about $1.00) Financial Aspects of Broadcasting, by Bruno Vasari (EBU Monograph No. 3, 45 pp., 1965, 4 Sw. Fr. or a bit less than $1.00, paper) Television for Children and Young People, by J.D. Halloran and P.R.C. Elliott (134 pp., 1970, 10 Sw. Fr. or about $2.50, paper) Annual Seminar for Producers and Directors of Adult Education by Television (12th Seminar, 1974, 79 pp., 5 Sw. Fr. or about $1.00) Annual Seminar for Producers and Directors of School Television (11th Seminar, 1973, 79 pp., 5 Sw. Fr. or about $1.00, paper) Workshops for Producers and Directors of Television Programs for Children (4th Workshop, 1974, 48 pp., 8 Sw. Fr. or about $2.00, paper) International Forum of Light Music in Radio (1971, 1973, and 1975 editions available, 5 Sw. Fr. each or about $1.00 each, paper) The Evolution of the EBU through its Statutes from 1950 to 1976 (EBU Monograph No. 11, 1977, 25 Sw. Fr. or something over $5.00, paper) International Conference of States on the Protection of Phonograms (Paris: Unesco; and New York: Unipub, 1975---$34.75, paper) 相似文献
87.
João Gonçalves 《Journal of Applied Communication Research》2013,41(5):604-620
News editors listed online aggression as one of the main constraints to audience participation and debate in the media. However, previous studies offer contradictory evidence on how aggression affects the amount and civility of user participation. Furthermore, a large portion of these studies focus on the Anglo-Saxon context and follow an experimental design. This study addresses these issues through a content analysis of over 26,000 news comments from two Portuguese newspapers, testing how aggression in comments relates to the number of replies it generates and the aggressiveness of these replies. Results show that aggression generates more aggression in comment sections, but may also increase participation. The latter effect is moderated by the article topic, an important caveat that may explain different outcomes in previous works. The practical implications of these findings and paths for future research are discussed. 相似文献
88.
Bruno Dupeyron 《Curriculum Journal》2013,24(4):345-364
The middle of the 1990s saw the creation of a French–German–Swiss history textbook supported by the European Commission. Disseminated to school instructors in the Upper Rhine, it received generally positive reviews, but ended up on the dusty shelves of school libraries. This result was due to several factors, which are analysed in this article. This acknowledgement of failure leads to the argument that European cross-border cooperation is constrained by a key paradox, referred to as ‘low gravity’, i.e. the attraction of small projects toward the local and regional levels, while major projects are pushed up to the national level. 相似文献
89.
90.
This paper reports a classroom-based study involving investigation activities in a university numerical analysis course. The study aims to analyse students' mathematical processes and to understand how these activities provide opportunities for problem posing. The investigations were intended to stimulate students in asking questions, to trigger their thinking processes, to promote their ability to investigate and to support them in learning numerical analysis' concepts and procedures. The results show that the investigations provided opportunities for students to experience mathematical processes, including posing questions, formulating and testing conjectures and, to some extent, proving results. They also provide some understanding about the role of problem posing in these processes. Posing questions occurred mainly in an implicit way, in the interpretation of tasks and in identifying regularities, analysing graphs and testing cases. The conjectures were often based on pattern identification or data manipulation, and the students tended to accept them without testing or proving. The students also proposed alternative formulations for the initial questions and posed new problems from their explorations and attempts to refine previous conjectures. 相似文献