323,422 research outputs found
Attività citotossica monocitaria indotta da gamma Interferon: studio a livello delle singole cellule.
No full textDiffusive author(s), cohesive author: Analysis of S/N (1994)
No full textThis study indicates the ways in which various aspects of the author(s) are brought forth in Dumb type’s performance art, the S/N production. Previous research has suggested a non-hierarchical organization of Dumb type and the absence of a “privileged author” in Dumb type’s collaborative work, S/N. However, the results that I have investigated from member’s interviews on the creative process of S/N along with my analysis of the recorded images of S/N, indicate a different aspect of the author(s). First, S/N was created through, so to speak, the collective ideas of the members of Dumb type. Further, S/N has at least nine quotations from previous performances, installations, and printed writings, besides the work-in-progress technique. Explicating one of the “author functions” as given by Michel Foucault, each text has plural subjects of the author. However, it has been revealed from members’ interviews that Teiji Furuhashi had a decision-making role in selecting the members’ ideas within the performance. Since then, S/N has had plural subjects of creation; however, Furuhashi is one of the subjects of creation along with the “privileged author.” S/N has plural authors (diffusive authors) yet at the same time, it has a “privileged author,” Teiji Furuhashi (cohesive author)
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
When Everything Old is New Again: Amish Career and Technical Education
No full textIn this qualitative study, the authors briefly describe the Amish formal education system, discuss career and technology education in Amish communities and examine the possible transfer of the model to public schools. Forty-six Amish schoolteachers, school board members and successful businessmen were interviewed. Findings include religion, family and work ethic are the foundations of Amish culture. Schools need to continue to make the learning practical for real life applications. Employers look for the “right” attitude and ability to learn. Workers must be able to transfer knowledge among differing contexts. An extra year of schooling might be beneficial for a variety of career and technical training programs since they do not offer career and technical education in the schools. In conclusion, apprenticeship programs in the public schools and non-Amish businesses would be well served to emulate the training approach found in Amish business communities.James W. Hynes: [email protected] D. Edgington: [email protected] W. Hynes – Ph.D., Assistant Professor at the Department of Curriculum & Instruction and Director of the Center for International Education at Sam Houston State University, Huntsville, Texas.William D. Edgington – Ed.D. Department of Curriculum & Instruction, Sam Houston State University, Huntsville, Texas. He currently serves as Interim Chair of the department. His Ed.D. is in Curriculum and Instruction with an emphasis in Social Science Education.James W. Hynes - Sam Houston State University, USAWilliam D. Edgington - Sam Houston State University, USADewalt M.W., Amish education in the United States and Canada. Lanham, MD: Rowman & Little Field Education (2006).Ediger M., Old order Amish philosophy of Education. Education, 125(3), (2005), pp. 422-425.Eichhorst W., Rodriguez-Planas N., Schmidl, R., & Zimmermann, K.F., A road map to vocational education and training in industrialized countries. H. R. Review, 68(2), (2015), pp. 314-337. doi: 10.1177/0019793914564963.Fischel W.A., Do Amish one-room schools make the grade? The dubious data of Wisconsin v. Yoder. The University of Chicago Law Review, 79(1), (2012), pp. 107-129.Fisher S.E. & Stahl R. K., The Amish school. Intercourse, PA: Good Books Publishing, (1997).Junkins S., Lessons from the Amish. Learning and Leading with Technology, 41(5), (2014), pp. 38-39.Knotts J.D. & Keesey S., Friendship with old order Mennonite teachers develops cultural readiness in preservice special education teachers. Rural Special Education Quarterly, 35(4), (2016), pp. 10-17.McConnell D.L., & Hurst C.E. No Rip Van Winkles here: Amish education since Wisconsin v. Yoder. Anthropology and Education Quarterly, 37(3), (2006), pp. 236-254.Schrag F., The school is the problem, not the solution. Theory and Research in Education, 6(3), (2008), 283-307. doi: 10.1177/1477878508095585.United States Congress (2001). Employment needs of Amish youth; Hearing before a subcommittee of the Committee on Appropriations. Retrieved from ERIC database. (ED 456016).23412513
Closure mechanism of the A1 and A2 modes in jet screech
No full textThis paper explores the screech closure mechanism for different axisymmetric modes in shock-containing jets. While many of the discontinuities in tonal frequency exhibited by screeching jets can be associated with a change in the azimuthal mode, there has to date been no satisfactory explanation for the existence of multiple axisymmetric modes at different frequencies. This paper provides just such an explanation. As shown in previous works, specific wavenumbers arise from the interaction of waves in the flow with the shocks. This provides new paths for driving upstream-travelling waves that can potentially close the resonance loop. Predictions using locally parallel and spatially periodic linear stability analyses and the wavenumber spectrum of the shock-cell structure suggest that the A1 mode resonance is closed by a wave generated when the Kelvin-Helmholtz mode interacts with the leading wavenumber of the shock-cell structure. The A2 mode is closed by a wave that arises owing to the interaction between the Kelvin-Helmholtz wave and a secondary wavenumber peak, which arises from the spatial variation of the shock-cell wavelength. The predictions are shown to closely match experimental data, and possible justifications for the dominance of each mode are provided based on the growth rates of the absolute instability
The axisymmetric screech tones of round twin jets examined via linear stability theory
No full textSpatial linear stability analysis is used to study the axisymmetric screech tones generated by twin converging round nozzles at low supersonic Mach numbers. Vortex-sheet and finite-thickness models allow for identification of the different waves supported by the flow at different conditions. Regions of the frequency-wavenumber domain for which the upstream-propagating guided jet modes are observed to be neutrally stable are observed to vary as a function of solution symmetry, jet separation, S, and the velocity profile used. Screech-frequency predictions performed using wavenumbers obtained from both models agree well with experimental data. Predictions obtained from the finite-thickness model better align with the screech tones measured experimentally and so are seen to be an improvement on predictions made with the vortex sheet. Additionally, results from the finite-thickness model predict both symmetric and antisymmetric screech tones for low S that are found in the vortex-sheet model only at greater S. The present results indicate that the feedback loop generating these screech tones is similar to that observed for single-jet resonance, with equivalent upstream and downstream modes
Dispelling the Myths Behind First-author Citation Counts
No full textWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
Author's address:
No full textCan archives of audiovisual TV interviews be used to make authors more visible to students, and thereby reduce the learning gap between native and non-native language speakers in college classes? We examined students in a college course who learned about one scholar's ideas through watching an audiovisual TV interview (i.e., visible author format) and about another scholar's ideas through reading a formal text description (i.e., invisible author format). For the invisible author, native language speakers scored significantly higher than the non-native language speakers on a corresponding exam question (i.e., a cognitive measure), generated more words on the exam question (i.e., a motivational measure), and mentioned the author's name more often in answering the exam question (i.e., an affective measure). For the visible author, the groups did not differ on any of these measures. These findings provide evidence for the idea that making the author visible through audiovisual TV interviews can eliminate the learning gap between native and non-native language speakers. 3 Universities around the world serve students who are non-native speakers of th
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