scholarly journals Preschoolers’ use and exploration of concepts related to scientific phenomena in preschool

2021 ◽  
Vol 2 (3) ◽  
pp. 287-302
Author(s):  
Annika Åkerblom ◽  
Krtistina Thorshag
Keyword(s):  
Science Education ◽  
Young Children ◽  
Conceptual Development ◽  
Secondary Analysis ◽  
New Concepts ◽  
Scientific Phenomena ◽  
Language Meaning ◽  
Empirical Material ◽  
Do So

The study described in this paper concerns science education in preschool, more specifically how young children in preschool settings invent, develop and explore science and scientific concepts in problem-solving and communicative situations. The aim of the paper is to discuss young children´s concept creation and draw conclusions for early science education. The method used was a secondary analysis of empirical material drawn from three previous studies carried out by the authors. Examples of preschool children’s use of language were extracted and was, for the purpose of this study, analyzed with a new focus on children’s use of concepts. The re-analysis draws from Vygotsky’s theoretical framework on children’s conceptual development and appropriation of new concepts (Vygotsky, 1934/1999; Åkerblom 2011) and from the later Wittgenstein (1986) on the role of language meaning in understanding. The findings underline the importance of allowing preschool children to invent, develop and explore science and technology concepts, as well as implications for preschool teachers to create dialogic spaces for the children to do so. The limitations of the study are however that it is based on a limited number of examples and even though it can give implications and point out directions, is not conclusive and should be followed by further research.

scholarly journals Metacognitive Development and Conceptual Change in Children

2020 ◽  
Vol 11 (4) ◽  
pp. 745-763
Author(s):  
Joulia Smortchkova ◽  
Nicholas Shea
Keyword(s):  
Conceptual Change ◽  
Conceptual Development ◽  
Developmental Psychology ◽  
Older Children ◽  
Major Focus ◽  
Mathematical Concepts ◽  
Metacognitive Development ◽  
New Concepts ◽  
The Way

AbstractThere has been little investigation to date of the way metacognition is involved in conceptual change. It has been recognised that analytic metacognition is important to the way older children (c. 8–12 years) acquire more sophisticated scientific and mathematical concepts at school. But there has been barely any examination of the role of metacognition in earlier stages of concept acquisition, at the ages that have been the major focus of the developmental psychology of concepts. The growing evidence that even young children have a capacity for procedural metacognition raises the question of whether and how these abilities are involved in conceptual development. More specifically, are there developmental changes in metacognitive abilities that have a wholescale effect on the way children acquire new concepts and replace existing concepts? We show that there is already evidence of at least one plausible example of such a link and argue that these connections deserve to be investigated systematically.

Social Transformation in Response to the Environment Crisis: The Role of Education and Research

1994 ◽  
Vol 10 ◽  
pp. 1-20 ◽  
Author(s):  
Eureta Janse van Rensburg
Keyword(s):  
Science Education ◽  
Environmental Education ◽  
Empirical Study ◽  
Southern Africa ◽  
Social Transformation ◽  
Social Research ◽  
Epistemological Shifts ◽  
Do So

In this paper I examine two activities which are often attributed with a role to play in social transformation, namely environmental education and research, for their potential to contribute to collective change. I do so by drawing on the results of a recent empirical study in southern Africa, in which I distinguished four orientations to research in/and environmental education. In exploring the transformatory roles of research and environmental education, as conceptualised in these four orientations, I conclude that the most prevalent orientations reveal modernistic assumptions which limit their potential to contribute to social transformation.The decision to interpret the results by focusing on social transformation grew out of what I regarded as the most significant dimensions of the context of the study. These are the global and regional calls for social transformation in response to the environment crisis, the dramatic political changes in parts of southern Africa, the need to improve education in the region, and finally, less obvious global epistemological shifts in the conceptualisation of science, education and social research.

Developmental foundations of externalizing problems in young children: The role of effortful control

2002 ◽  
Author(s):  
Sheryl L. Olson ◽  
Arnold J. Sameroff ◽  
David C. Kerr ◽  
Nestor L. Lopez
Keyword(s):  
Young Children ◽  
Externalizing Problems ◽  
Effortful Control

A Re-Appraisal of the Role of Blood Coagulation and Platelets in the Generalized Shwartzman Phenomenon

1966 ◽  
Vol 15 (03/04) ◽  
pp. 519-538 ◽  
Author(s):  
J Levin ◽  
E Beck
Keyword(s):  
Blood Coagulation ◽  
The State ◽  
Coagulation System ◽  
Renal Lesions ◽  
Intravascular Coagulation ◽  
Renal Glomeruli ◽  
Coagulation Mechanism ◽  
Shwartzman Phenomenon ◽  
Do So

SummaryThe role of intravascular coagulation in the production of the generalized Shwartzman phenomenon has been evaluated. The administration of endotoxin to animals prepared with Thorotrast results in activation of the coagulation mechanism with the resultant deposition of fibrinoid material in the renal glomeruli. Anticoagulation prevents alterations in the state of the coagulation system and inhibits development of the renal lesions. Platelets are not primarily involved. Platelet antiserum produces similar lesions in animals prepared with Thorotrast, but appears to do so in a manner which does not significantly involve intravascular coagulation.The production of adrenal cortical hemorrhage, comparable to that seen in the Waterhouse-Friderichsen syndrome, following the administration of endotoxin to animals that had previously received ACTH does not require intravascular coagulation and may not be a manifestation of the generalized Shwartzman phenomenon.

‘Wheels have been set in motion’: Geocentrism and Relativity in Tom Stoppard’s Rosencrantz and Guildenstern Are Dead

2018 ◽  
Author(s):  
Liliane Campos
Keyword(s):  
20Th Century ◽  
Film Adaptation ◽  
Frames Of Reference ◽  
Quantum Uncertainty ◽  
Galilean Relativity ◽  
Modern Physics ◽  
20Th Century Physics ◽  
Time Specific ◽  
Do So

By decentring our reading of Hamlet, Stoppard’s tragicomedy questions the legitimacy of centres and of stable frames of reference. So Liliane Campos examines how Stoppard plays with the physical and cosmological models he finds in Hamlet, particularly those of the wheel and the compass, and gives a new scientific depth to the fear that time is ‘out of joint’. In both his play and his own film adaptation, Stoppard’s rewriting gives a 20th-century twist to these metaphors, through references to relativity, indeterminacy, and the role of the observer. When they refer to the uncontrollable wheels of their fate, his characters no longer describe the destruction of order, but uncertainty about which order is at work, whether heliocentric or geocentric, random or tragic. When they express their loss of bearings, they do so through the thought experiments of modern physics, from Galilean relativity to quantum uncertainty, drawing our attention to shifting frames of reference. Much like Schrödinger’s cat, Stoppard’s Rosencrantz and Guildenstern are both dead and alive. As we observe their predicament, Campos argues, we are placed in the paradoxical position of the observer in 20th-century physics, and constantly reminded that our time-specific relation to the canon inevitably determines our interpretation.

Helping when desire is low: The role of Expectancy in helping

2020 ◽  
Author(s):  
Małgorzata Kossowska
Keyword(s):  
Experimental Studies ◽  
Helping Behavior ◽  
Perceived Effectiveness ◽  
Do So

One might assume that the desire to help (here described as Want) is the essential driver of helping declarations and/or behaviors. However, even if desire to help is low, helping behavior may still occur if the expectancy regarding the perceived effectiveness of helping is high. We tested these predictions in a set of three experimental studies. In all three, we measured the desire to help (Want) and the Expectancy that the aid would be impactful for the victim; in addition, we manipulated Expectancy in Study 3. In Studies 1 and 3, we measured the participants’ declaration to help while in Study 2, their helping behavior was examined. In all three studies, we used variations of the same story about a victim. The results supported our hypothesis. Thus, the studies help to tease apart the determinants of helping behavior under conditions of lowered desire to do so, an issue of great importance in public policymaking.

History and Transport Policy

Transfers ◽  
2014 ◽  
Vol 4 (1) ◽  
pp. 45-62 ◽  
Author(s):  
Ueli Haefeli ◽  
Fritz Kobi ◽  
Ulrich Seewer
Keyword(s):  
Knowledge Transfer ◽  
Transport Policy ◽  
Science And Policy ◽  
Direct Knowledge ◽  
Academic System ◽  
Decision Making Processes ◽  
Policy And Planning ◽  
Policy Solutions ◽  
Do So

Based on analysis of two case studies in the Canton of Bern, this article examines the question of knowledge transfer from history to transport policy and planning in the recent past in Switzerland. It shows that for several reasons, direct knowledge transfer did not occur. In particular, historians have seldom become actively involved in transport planning and policy discourses, probably partly because the academic system offers no incentive to do so. However, historical knowledge has certainly influenced decision-making processes indirectly, via personal reflection of the actors in the world of practice or through Switzerland's strongly developed modes of political participation. Because the potential for knowledge transfer to contribute to better policy solutions has not been fully utilized, we recommend strengthening the role of existing interfaces between science and policy.

Stative Morpheme In Shimakonde, An Anticausative Morpheme?

2017 ◽  
Vol 19 ◽  
pp. 343-376
Author(s):  
Ronaldo Rodrigues De Paula
Keyword(s):  
External Argument ◽  
Bantu Language ◽  
Northern Regions ◽  
Do So

Tis paper aims to describe the syntax of the constructions that present the verbal extensions {-ik-} and {-uk-} and their allomorphs in Shimakonde, a Bantu language classifed as P23 in the Guthrie classifcation (GUTHRIE 1967-71). Tis language is spoken in the northern regions of Mozambique and Tanzania. Tese verbal extensions are reported in literature under the labels of stative, impositive, pseudo-passive, neuter, and quasi-passive (DOKE, 1947; SATYO, 1985; MCHOMBO, 1993; DUBINSKY SIMANGO, 1996; BENTLEY KULEMEKA, 2001; LIPHOLA, 2001; NGUNGA, 2004; KHUMALO, 2009; LEACH, 2010; LANGA, 2013). Te addition of the {-ik-} or {-uk-} morphemes to the verb structure usually demotes or suppresses the external argument, turning a basically transitive predicate into an intransitive one. Tis paper aims to investigate in Shimakonde if alternations from a dyadic to a monadic predicate, through the use of one of the aforementioned morphemes, are instances of the phenomenon known in literature as causative/ anticausative alternation (HASPELMATH, 1987, 1993; LEVIN RAPPAPORT HOVAV, 1992, 1995; NAVES, 1998, 2005; VAN HOUT, 2004; OLIVEIRA, 2011; KALLULLI, 2007). In order to do so, I analyze the grammatical role of this morpheme with two Shimakonde native consultants from different Mozambique districts (Mocimboa da Praia and Montepuez). Te feldwork activities consisted of translations of sentences from Portuguese to Shimakonde, testing the grammaticality of the proposed sentences. In order to examine the data that were collected, I adopted the Alexiadou, Anagnostopoulou and Schäfer (2006) refnement of the verbal categories by Levin Rappaport Hovav (1992, 1995). One of the results obtained is that the verbal extensions display an atelic reading (giving rise to stative interpretation) or a telic reading (giving rise to anticausative or passive interpretation). To account for the different interpretations in these constructions, I propose distinct associations between Asp head and Voice head in accordance with Kratzer (1996), Pylkkänen (2002), van Hout (2004), and Oliveira (2010).

ROLE OF HARDWARE STARTUPS IN FACILITATING ELECTRONICS AND COMPUTER SCIENCE EDUCATION FOR KIDS: SURVEY OF HARDWARE PRODUCTS

2018 ◽  
Vol 74 (8) ◽  
Author(s):  
Slim Chtourou ◽  
Mohamed Kharrat ◽  
Nader Ben Amor ◽  
Mohamed Jallouli ◽  
Mohamed Abid
Keyword(s):  
Science Education ◽  
Computer Science ◽  
Computer Science Education
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