Dialectical dividends: fostering hybridity of new pedagogical practices and partnerships in science education and outreach     

Diogo Martins Gomes  Veronica McCauley 《International Journal of Science Education》2016,38(14):2259-2283

Science literacy has become socially and economically very important. European countries stress that science graduates are fundamental for economic growth. Nevertheless, there is a declining student participation in science. In response, there has been a call to change the way science is taught in schools, which focuses on inquiry methods rooted in constructivism. Universities and other organisations have responded by developing outreach programmes to improve student engagement in science. Given this context, there is a necessity for research to ascertain if this new relationship between outreach and education is worthwhile. This study examines and compares primary teachers and outreach practitioners understanding and perceptions of constructivist science pedagogy, in an effort to understand the potential of a teacher-outreach partnership. For this, qualitative and quantitative methods were employed, taking a dialectic pragmatic stance. Contradicting the recurrent view, teachers and outreach providers revealed favourable views in relation to constructivism, despite recognising barriers to its implementation. These results support a partnership between teachers and outreach practitioners and the realisation of the hybrid role of each participant. The results also reveal an important dynamic in outreach access to schools. Specifically, the outreach connected teachers acted as gatekeepers by negotiating access into their colleagues classrooms.  相似文献   

Evolution of the anatomical theatre in Padova          下载免费PDF全文

Veronica Macchi  Andrea Porzionato  Carla Stecco  Raffaele De Caro 《Anatomical sciences education》2014,7(6):487-493

The anatomical theatre played a pivotal role in the evolution of medical education, allowing students to directly observe and participate in the process of dissection. Due to the increase of training programs in clinical anatomy, the Institute of Human Anatomy at the University of Padova has renovated its dissecting room. The main guidelines in planning a new anatomical theatre included: (1), the placement of the teacher and students on the same level in a horizontal anatomical theatre where it is possible to see (theatre) and to perform (dissecting room); (2), in the past, dissection activities were concentrated at the center of the theatre, while in the new anatomical theatre, such activities have been moved to the periphery through projection on surrounding screens—thus, students occupy the center of the theatre between the demonstration table, where the dissection can be seen in real time, and the wall screens, where particular aspects are magnified; (3), three groups of tables are placed with one in front with two lateral flanking tables in regards to the demonstration table, in a semicircular arrangement, and not attached to the floor, which makes the room multifunctional for surgical education, medical students and physician's continued professional development courses; (4), a learning station to introduce the students to the subject of the laboratory; (5), cooperation between anatomists and architects in order to combine the practical needs of a dissection laboratory with new technologies; (6), involvement of the students, representing the clients' needs; and (7), creation of a dissecting room of wide measurements with large windows, since a well‐illuminated space could reduce the potentially negative psychological impact of the dissection laboratory on student morale. Anat Sci Educ 7: 487–493. © 2014 American Association of Anatomists.  相似文献   

Optimizing design and fabrication of microfluidic devices for cell cultures: An effective approach to control cell microenvironment in three dimensions     

G. Pagano  M. Ventre  M. Iannone  F. Greco  P. L. Maffettone  P. A. Netti 《Biomicrofluidics》2014,8(4)

The effects of gradients of bioactive molecules on the cell microenvironment are crucial in several biological processes, such as chemotaxis, angiogenesis, and tumor progression. The elucidation of the basic mechanisms regulating cell responses to gradients requires a tight control of the spatio-temporal features of such gradients. Microfluidics integrating 3D gels are useful tools to fulfill this requirement. However, even tiny flaws in the design or in the fabrication process may severely impair microenvironmental control, thus leading to inconsistent results. Here, we report a sequence of actions aimed at the design and fabrication of a reliable and robust microfluidic device integrated with collagen gel for cell culturing in 3D, subjected to a predetermined gradient of biomolecular signals. In particular, we developed a simple and effective solution to the frequently occurring technical problems of gas bubble formation and 3D matrix collapsing or detaching from the walls. The device here proposed, in Polydimethylsiloxane, was designed to improve the stability of the cell-laden hydrogel, where bubble deprived conditioning media flow laterally to the gel. We report the correct procedure to fill the device with the cell populated gel avoiding the entrapment of gas bubbles, yet maintaining cell viability. Numerical simulations and experiments with fluorescent probes demonstrated the establishment and stability of a concentration gradient across the gel. Finally, chemotaxis experiments of human Mesenchymal Stem Cells under the effects of Bone Morphogenetic Protein-2 gradients were performed in order to demonstrate the efficacy of the system in controlling cell microenvironment. The proposed procedure is sufficiently versatile and simple to be used also for different device geometries or experimental setups.  相似文献   

Body parts removed during surgery: a useful training source     

Macchi V  Porzionato A  Stecco C  Tiengo C  Parenti A  Cestrone A  De Caro R 《Anatomical sciences education》2011,4(3):151-156

Current undergraduate medical curricula provides relatively little time for cadaver dissection. The Department of Human Anatomy and Physiology at the University of Padova has organized a pilot project with the University Hospital for the donation of body parts that are surgically removed for therapeutic purposes and destined under Italian law for destruction. The aim of the project is to improve residents' practical training skills. A survey over the last two years has shown that about 60 body parts were available each year. These included 13 upper limbs or their parts (i.e., forearm with hand, hand, and fingers) and 47 lower limbs or their parts (i.e., legs with feet, feet, or toes). The residents explained the aim of the project to potential donors, and, if patients were willing to donate, their informed consent was obtained. The residents were present in the operating theater during the surgical procedure. In the post-operative phase, the same residents performed dissections on the body part(s), following a teaching schedule prepared by a clinical anatomist, who also assisted residents during their studies. Residents also acted as tutors for undergraduate medical students who attended these dissections. The underlying pathology for which the body part was removed was examined, and surgical procedures were practiced on the body part itself. Our project provided an opportunity for a close relationship between anatomists and surgeons, reinforcing core knowledge of anatomy by appreciation of its clinical importance. The active involvement of residents as learners and as teachers in the various steps of this project improved their knowledge of surgical techniques and helped to establish a sense of ethical responsibility and respect for the human body. This approach involves study of anatomical structures from new perspectives and leads to improved surgical practice.  相似文献   

Children’s epistemic reasoning about social inclusion of aggressive peers in a culturally diverse school     

Laura Scholes  Elizabeth Wallace  Sue Walker  Jo Lunn Brownlee  Veronica Lawson 《British Educational Research Journal》2022,48(2):272-291

Moral reasoning in values education can promote a democratic way of life. It involves addressing behaviour expectations in responses to violence or bullying. There is increasing interest in how children make moral judgments about social inclusion within diverse cultural settings. Critical research highlights the relationship between epistemic cognition (views about the nature of knowledge and knowing) and reasoning. In this paper, we argue that this relationship is likely to be important in reasoning about moral values for inclusion in culturally diverse schools. However, we know little about how children in diverse educational settings reason about and enact school values for inclusion. Our study addresses this gap by examining primary school children’s epistemic reasoning about the social inclusion of peers with a focus on justifications for inclusion/exclusion of aggressive peers. Twenty-six children (10–11 years old) from one culturally diverse school community in Australia were asked to illustrate (drawings) and reflect on (15–20 minute interviews) a conflict situation involving exclusion from play. The findings showed that most children reasoned about including/excluding others based on a ‘one right answer’ pattern which reflected an explicit focus on following the school rules. Fewer children moved ‘beyond right answers’ to show transition towards perceiving multiple perspectives in their reasoning about inclusion/exclusion. Implications for values education are discussed.  相似文献   

Home Visiting Among Inner-City Families: Links to Early Academic Achievement     

Angela Nievar  Amber L. Brown  Laura Nathans  Qi Chen  Veronica Martinez-Cantu 《Early education and development》2018,29(8):1115-1128

This study examines the long-term effects of a home visiting program, Home Instruction for Parents of Preschool Youngsters, on students from mostly low-income, Latino families (n = 254). Children who were in the home visiting program during their early years were compared with a similar demographic group who participated in prekindergarten in the same inner-city area but did not participate in home visiting. Data linked participation in home visiting to state test scores and other information from public schools through the end of elementary school. Research Findings: Secondary data analyses tested for intervention effects on reading and math achievement in an urban school district using 4 waves of data covering kindergarten through 5th grade. Growth curve modeling showed that participation in home visiting predicted higher academic achievement through the 5th grade. Practice or Policy: Parent-focused intervention during early childhood appears to have a lasting impact on children’s achievement. In addition to parent engagement, quality school curriculum and quality instruction affect achievement in elementary school. A comprehensive curriculum focus throughout the early school years should be implemented regardless of preparation for high-stakes testing.  相似文献   

Unmarked Privilege and Marked Oppression: Analyzing Predominantly White and Minority Serving Institutions as Racialized Organizations     

Jones  Veronica A.  Kunkle  Kelsey 《Innovative Higher Education》2022,47(5):755-774

Innovative Higher Education - The categorization of predominantly white institutions (PWIs) and minority serving institutions (MSIs) affects the distribution of resources, privileges, and...  相似文献