2,592 research outputs found
The Sociological Implications of Henry Schaefer-Simmern’s Theory and Research Leading Toward an Integral Theory of Art Education
Henry Schaefer-Simmern was fully aware of the sociological implications of his work. His theory of visual, artistic conceiving stated that people possess an inherent ability to transform their perceptions into holistic (gestalt) formations expressed as works of art. They have this ability in varying degrees regardless of differences of sex, race, chronological age (above the motor scribble age), lQ (above 47), socio-economic status, creed, and geographic location. He believed that society should encourage the development and expression of this ability and that those of its members who are artistically active (whether children, adolescents, or adults) can uplift and transform society for the better. He saw the dehumanizing affects of industrialization. He deplored the visual pollution which appears in portions of cities and towns in the U.S.A. Yet he noted the efforts made to bring visual art into communities by such means as the WPA Art Project, and efforts of the U.S. Department of Agriculture\u27s Extension Service. He guided students to be aware not only of the gestalt art forming ability within them, but also of the arts of societies past and present. Schaefer- Simmern\u27s art education includes the handicapped and non-handicapped in the schools, and also people throughout the community. He reconciled opposites in art education: creative self-expression and cognitive-systems (neo-academic) while going beyond them to point a way toward an integral art education for society and for each individual member of that society
The LATDYN user's manual
The LATDYN User's Manual presents the capabilities and instructions for the LATDYN (Large Angle Transient DYNamics) computer program. The LATDYN program is a tool for analyzing the controlled or uncontrolled dynamic transient behavior of interconnected deformable multi-body systems which can undergo large angular motions of each body relative other bodies. The program accommodates large structural deformation as well as large rigid body rotations and is applicable, but not limited to, the following areas: (1) development of large flexible space structures; (2) slewing of large space structure components; (3) mechanisms with rigid or elastic components; and (4) robotic manipulations of beam members. Presently the program is limited to two dimensional problems, but in many cases, three dimensional problems can be exactly or approximately reduced to two dimensions. The program uses convected finite elements to affect the large angular motions involved in the analysis. General geometry is permitted. Detailed user input and output specifications are provided and discussed with example runstreams. To date, LATDYN has been configured for CDC/NOS and DEC VAX/VMS machines. All coding is in ANSII-77 FORTRAN. Detailed instructions regarding interfaces with particular computer operating systems and file structures are provided
Dispelling the myths of online education: learning via the information superhighway
There continues to be a perception that online education is inferior to traditional education. In the U.S. online learning is more developed than in the U.K. This paper provides insights into a U.S. provision and takes a close look at what are perceived as weaknesses of on line learning and argues that these are not necessarily inherent weaknesses of this form of educational delivery. Then, results of two major studies, undertaken in the U.S. are provided comparing the effectiveness of online education to traditional education as perceived by current MBA students and past graduates. Results of these studies suggest that students of MBA modules and MBA graduates perceive the quality and effectiveness of online education to be similar to, if not higher than, the quality and effectiveness of traditional modules and programmes
Entrainment of randomly coupled oscillator networks by a pacemaker
Entrainment by a pacemaker, representing an element with a higher frequency,
is numerically investigated for several classes of random networks which
consist of identical phase oscillators. We find that the entrainment frequency
window of a network decreases exponentially with its depth, defined as the mean
forward distance of the elements from the pacemaker. Effectively, only shallow
networks can thus exhibit frequency-locking to the pacemaker. The exponential
dependence is also derived analytically as an approximation for large random
asymmetric networks.Comment: 4 pages, 3 figures, revtex 4, submitted to Phys. Rev. Let
Organizational perceptions of e-commerce: Re-assessing the benefits
This paper reports on preliminary findings from a wider and more in-depth study of six traditional organizations from different sectors that have successfully introduced e-commerce initiatives. The research adopted a case study approach, within which a questionnaire, identifying 16 generic benefits synthesized from the literature, was administered. The organizations were also asked to characterize whether e-commerce was strategic for them or not. The findings suggest that those organizations that perceived e-commerce to be strategic tended to consider intangible benefits as more important than tangible benefits, indicating perhaps a move away from the traditional view of e-commerce as a marketing driver to increase or create sales. Those organizations perceiving e-commerce as non-strategic rated the tangible benefits in much the same way as the strategic organizations, but rated the intangibles lower. Also it was found that e-commerce was important as a communication tool, not only with customers, as might be expected, but also with staff within the organization. The value of intra-organizational e-commerce was also found to be important, perhaps more than previously thought, as was its use in communicating and disseminating knowledge. The findings also reflect the importance of the sector and environment of the organization in determining their perceptions of e-commerce
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How are management fashions institutionalized? The role of institutional work
We explore how transitory management fashions become institutionalized. Based on the concepts of institutional entrepreneurship and institutional work, we postulate that fashionable management practices acquire permanence when they are anchored within fieldwide institutions. The building of such institutions requires various types of institutional work, including political work, technical work and cultural work. Based on a review of the empirical literature on various management fashions, we identify the actors engaging in these different types of works, and their skills. Our results suggest that the institutionalization effect is stronger if more types of institutional work are deployed and if the skill sets of the involved actors vary. We also argue that institutional construction in the case of management fashions is likely to take the form of decentralized `partaking' rather than being led by a single dominant institutional entrepreneur. We conclude with implications for the study of management fashions and the role of agency in institutionalization
Statistical modeling of ground motion relations for seismic hazard analysis
We introduce a new approach for ground motion relations (GMR) in the
probabilistic seismic hazard analysis (PSHA), being influenced by the extreme
value theory of mathematical statistics. Therein, we understand a GMR as a
random function. We derive mathematically the principle of area-equivalence;
wherein two alternative GMRs have an equivalent influence on the hazard if
these GMRs have equivalent area functions. This includes local biases. An
interpretation of the difference between these GMRs (an actual and a modeled
one) as a random component leads to a general overestimation of residual
variance and hazard. Beside this, we discuss important aspects of classical
approaches and discover discrepancies with the state of the art of stochastics
and statistics (model selection and significance, test of distribution
assumptions, extreme value statistics). We criticize especially the assumption
of logarithmic normally distributed residuals of maxima like the peak ground
acceleration (PGA). The natural distribution of its individual random component
(equivalent to exp(epsilon_0) of Joyner and Boore 1993) is the generalized
extreme value. We show by numerical researches that the actual distribution can
be hidden and a wrong distribution assumption can influence the PSHA negatively
as the negligence of area equivalence does. Finally, we suggest an estimation
concept for GMRs of PSHA with a regression-free variance estimation of the
individual random component. We demonstrate the advantages of event-specific
GMRs by analyzing data sets from the PEER strong motion database and estimate
event-specific GMRs. Therein, the majority of the best models base on an
anisotropic point source approach. The residual variance of logarithmized PGA
is significantly smaller than in previous models. We validate the estimations
for the event with the largest sample by empirical area functions. etc
Using a student mentorship scheme to develop and raise academic attainment
This practice paper describes and evaluates a mentorship scheme used with undergraduate students on the sports rehabilitation programme at Middlesex University. The scheme commonly called MUSCLE (Middlesex University Sport- Student Centred Learning Experience) was developed to engage students across all levels of the programme in assuming responsibility for, and ownership of, their own learning and grade attainment profiles. In the context of this paper, student mentoring comprised graduate, third, and second year undergraduate students mentoring first, second and third year students respectively. MUSCLE mentoring groups addressed issues such as induction, examination and academic writing skills, and study techniques. The scheme was implemented in October 2007, following consultation with the academic staff and student engagement task force groups at the University. An integrated qualitative (using focus groups to gather experiences of mentors and mentees) and quantitative (using pre and post mentoring academic grade profiles) approach employing multi variant ANOVA analyses of preliminary data revealed that students achieved, on average, two grade bands higher in their final summative assessments when compared with students not enrolled on the scheme. The greatest impact on student grade attainment was evident in year one of study with a diminished but significant impact in years two and three. Male mentees achieve higher grades compared with their female counterparts. There were no significant differences between male and female non mentored students. Mentors and mentees reported feelings of self-empowerment and support, as a result of the scheme
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Selection of earthquake ground motions for multiple objectives using genetic algorithms
Existing earthquake ground motion (GM) selection methods for the seismic assessment of structural systems focus on spectral compatibility in terms of either only central values or both central values and variability. In this way, important selection criteria related to the seismology of the region, local soil conditions, strong GM intensity and duration as well as the magnitude of scale factors are considered only indirectly by setting them as constraints in the pre-processing phase in the form of permissible ranges. In this study, a novel framework for the optimum selection of earthquake GMs is presented, where the aforementioned criteria are treated explicitly as selection objectives. The framework is based on the principles of multi-objective optimization that is addressed with the aid of the Weighted Sum Method, which supports decision making both in the pre-processing and post-processing phase of the GM selection procedure. The solution of the derived equivalent single-objective optimization problem is performed by the application of a mixed-integer Genetic Algorithm and the effects of its parameters on the efficiency of the selection procedure are investigated. Application of the proposed framework shows that it is able to track GM sets that not only provide excellent spectral matching but they are also able to simultaneously consider more explicitly a set of additional criteria
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