The Influence of Ernst Mach in the Teaching of Mechanics     

Assis  Andre K. T.  Zylbersztajn  Arden 《Science & Education》2001,10(1-2):137-144

We present Newton's main ideas for the formulation of classical mechanics as given in the Principia. Then we discuss Ernst Mach's criticisms of Newtonian mechanics as contained in his book The Science of Mechanics. We analyze the influence of Mach's ideas in the teaching of classical mechanics considering five representative textbooks: those of Kittel, Knight and Ruderman; Marion and Thornton; Symon; Feynman, Leighton and Sands; and Goldstein. We conclude that the influence of Mach's ideas has been very great, being incorporated in the textbooks, although not always with the deserved acknowledgment.  相似文献   

Der Einfluss von aufmerksamkeitslenkenden Instruktionen auf das Erlernen einer Schlagbewegung im Golf     

Nele Schlapkohl  Tanja Hohmann  Andre Arnold  Philipp B. Philippen  Markus Raab 《Sportwissenschaft》2010,40(2):103-109

Among other things instructions serve the purpose of directing the recipient’s attentional focus. Several studies have demonstrated the advantage of an attentional focus away from one’s body (external) and towards the effect of the movement over an attentional focus on the movement itself (internal). In contrast, other studies have shown that the advantage of an external focus cannot be generalized. The present study utilized a golf putting task to investigate the effectiveness of an internal versus an external focus. Furthermore, the present study investigated whether participants complied with the instructions with the respective focus during the learning phase. Moreover, in addition to the performance on the putting task the movement execution was also examined. The results showed that the internal as well as the external group switched between the internal and external focus and additionally modified a neutral focus. There was no correlation between hitting performance and movement variability, but a correlation between the neutral focus and the movement variability was found. The results challenge empirical analysis and the results of research about attentional focus.  相似文献   

Using computer simulations to enhance conceptual change: The roles of constructivist instruction and student epistemological beliefs     

Mark Windschitl  Thomas Andre 《科学教学研究杂志》1998,35(2):145-160

Learners enter the classroom with informal ideas (alternative conceptions) about scientific phenomena; these ideas affect how the corresponding scientific explanations are learned. In addition, studentsÕ epistemological beliefs concerning learning influence achievement. This study investigated the effects of a constructivist versus objectivist learning environment on college studentsÕ conceptual change, using a computer simulation of the human cardiovascular system as an instructional tool. This study also investigated the interaction between constructivist versus objectivist learning situations and the studentsÕ epistemological beliefs. The constructivist approach resulted in significantly greater conceptual change than the objectivist approach for 2 of 6 commonly held alternative conceptions; the other 4 of 6 areas showed no significant differences for treatment group. More important, however, the treatment interacted significantly with epistemological beliefs. Individuals with more advanced epistemological beliefs learned more with a constructivist treatment; individuals with less developmentally advanced beliefs learned more with an objectivist treatment. © 1998 John Wiley & Sons, Inc. J Res Sci Teach 35: 145–160, 1998.  相似文献   

V. Maternal Depression, Family Functioning, and Child Outcomes: A Narrative Assessment     

Susan Dickstein  Martin St.Andre  Arnold Sameroff  Ronald Seifer  & Masha Schiller 《Monographs of the Society for Research in Child Development》1999,64(2):84-104

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The Effect of a Prior Dissection Simulation on Middle School Students' Dissection Performance and Understanding of the Anatomy and Morphology of the Frog     

Akpan  Joseph Paul  Andre  Thomas 《Journal of Science Education and Technology》1999,8(2):107-121

Science teachers, school administrators, educators, and the scientific community are faced with ethical controversies over animal dissection in classrooms. Simulation has been proposed as a way of dealing with this issue. One intriguing previous finding was that use of an interactive videodisc dissection facilitated performance on a subsequent actual dissection. This study examined the prior use of simulation of frog dissection in improving students' actual dissection performance and learning of frog anatomy and morphology. There were three experimental conditions: simulation before dissection (SBD); dissection before simulation (DBS); or dissection-only (DO). Results of the study indicated that students receiving SBD performed significantly better than students receiving DBS or DO on both actual dissection and knowledge of the anatomy and morphology. Students' attitudes toward the use of animals for dissection did not change significantly from pretest to posttest and did not interact with treatment. The genders did not differ in achievement, but males were more favorable towards dissection and computers than were females.  相似文献   

A mediation meta-analysis of the role of maternal responsivity in the association between socioeconomic risk and children’s language     

Sahar Borairi  Pasco Fearon  Sheri Madigan  Andre Plamondon  Jennifer Jenkins 《Child development》2021,92(6):2177-2193

This meta-analysis tested maternal responsivity as a mediator of the association between socioeconomic risk and children's preschool language abilities. The search included studies up to 2017 and meta-analytic structural equation modeling, allowed us to examine the magnitude of the indirect effect across 17 studies (k = 19). The meta-analysis included 6433 predominantly White, English speaking children (M_age = 36 months; 50% female) from Western, industrialized countries. All paths in the model were statistically significant, notably, the indirect effect was significant (b = −.052), showing that maternal responsivity may be a proximal intervening variable between socioeconomic risk and children's language development. Moderator analyses found that the indirect effect was stronger for sensitive parenting than warmth and when parenting was assessed in the family home.  相似文献   

Context Effects on Children's Use of Language     

He´ctor Pe´Rez Prieto  Fritjof Sahlstro¨M  Finn Calander  Marie Karlsson  Mia Heikkila¨ 《Scandinavian Journal of Educational Research》2013,57(1):43-62

The sweeping changes in Swedish society in the 1990s, with extensive decentralisation, privatisation and cutbacks in the public sector, implied quite new conditions for the realisation of the aim of pre-school and school as a meeting place for children from different backgrounds. This article discusses some of these changes and their implications, through a study of parent's choice of pre-school care facility in the city of Uppsala. The main data source is a survey study among 1584 mothers of children born in 1995. The results show that parents' use of the right to choose pre-school facility is economically, socially and culturally segregated; the patterns of choice are construed in relation to residential areas but are not a simple effect of housing segregation. The choice of pre-school facility in Uppsala is thus a practice that creates specific conditions--socially and culturally homogenous private pre-school facilities--that make it virtually impossible for them to achieve the goal of being meeting places.  相似文献   

Seeing emotions: a review of micro and subtle emotion expression training     

Ernest Andre Poole 《Cultural Studies of Science Education》2016,11(3):823-835

In this review I explore and discuss the use of micro and subtle expression training in the social sciences. These trainings, offered commercially, are designed and endorsed by noted psychologist Paul Ekman, co-author of the Facial Action Coding System, a comprehensive system of measuring muscular movement in the face and its relationship to the expression of emotions. The trainings build upon that seminal work and present them in a way for either the layperson or researcher to easily add to their personal toolbox for a variety of purposes. Outlined are my experiences across the training products, how they could be used in social science research, a brief comparison to automated systems, and possible next steps.  相似文献   

Effect of biological maturation on maximal oxygen uptake and ventilatory thresholds in soccer players: an allometric approach     

Cunha G  Lorenzi T  Sapata K  Lopes AL  Gaya AC  Oliveira Á 《Journal of sports sciences》2011,29(10):1029-1039

In this study, we investigated the effect of biological maturation on maximal oxygen uptake ([Vdot]O(2max)) and ventilatory thresholds (VT(1) and VT(2)) in 110 young soccer players separated into pubescent and post-pubescent groups.. Maximal oxygen uptake and [Vdot]O(2) corresponding to VT(1) and VT(2) were expressed as absolute values, ratio standards, theoretical exponents, and experimentally observed exponents. Absolute [Vdot]O(2) (ml · min(-1)) was different between groups for VT(1), VT(2), and [Vdot]O(2max). Ratio standards (ml · kg(-1) · min(-1)) were not significantly different between groups for VT(1), VT(2), and [Vdot]O(2max). Theoretical exponents (ml · kg(-0.67) · min(-1) and ml · kg(-0.75) · min(-1)) were not properly adjusted for the body mass effects on VT(1), VT(2), and [Vdot]O(2max). When the data were correctly adjusted using experimentally observed exponents, VT(1) (ml · kg(-0.94) · min(-1)) and VT(2) (ml · kg(-0.95) · min(-1)) were not different between groups. The experimentally observed exponent for [Vdot]O(2max) (ml · kg(-0.90) · min(-1)) was different between groups (P = 0.048); however, this difference could not be attributed to biological maturation. In conclusion, biological maturation had no effect on VT(1), VT(2) or [Vdot]O(2max) when the effect of body mass was adjusted by experimentally observed exponents. Thus, when evaluating the physiological performance of young soccer players, allometric scaling needs to be taken into account instead of using theoretical approaches.  相似文献   

Examining physiological and self-report indicators of empathy during learners’ interaction with a queer history app     

Jason M. Harley  Yang Liu  Byunghoon “Tony” Ahn  Susanne P. Lajoie  Andre P. Grace 《British journal of educational technology : journal of the Council for Educational Technology》2020,51(6):1921-1938

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