1,397 research outputs found
The Galam Model of Minority Opinion Spreading and the Marriage Gap
In 2002, Serge Galam designed a model of a minority opinion spreading. The
effect is expected to lead a conservative minority to prevail if the issue is
discussed long enough. Here we analyze the marriage gap, i.e. the difference in
voting for Bush and Kerry in 2004 between married and unmarried people. It
seems possible to interpret this marriage gap in terms of the Galam model.Comment: 6 page
Saturation of a spin 1/2 particle by generalized Local control
We show how to apply a generalization of Local control design to the problem
of saturation of a spin 1/2 particle by magnetic fields in Nuclear Magnetic
Resonance. The generalization of local or Lyapunov control arises from the fact
that the derivative of the Lyapunov function does not depend explicitly on the
control field. The second derivative is used to determine the local control
field. We compare the efficiency of this approach with respect to the
time-optimal solution which has been recently derived using geometric methods.Comment: 12 pages, 4 figures, submitted to new journal of physics (2011
Longitudinal Peer Network Data in Higher Education
This chapter employs a longitudinal social network approach to research small group teaching in higher education. Longitudinal social network analyses can provide in-depth understanding of the social dynamics in small groups. Specifically, it is possible to investigate and disentangle the processes by which students make or break social connections with peers and are influenced by them, as well as how those processes relate to group compositions and personal attributes, such as achievement level. With advanced methods for modelling longitudinal social networks, researchers can identify social processes affecting small group teaching and learning
Attitudes Toward Organizational Change among Public Middle Managers
Positive attitudes toward change (PATC) are an important current issue in public
organizations facing profound financial and managerial reforms. This study aims to
identify social and organizational antecedents of PATC. The investigated population
is composed of middle managers working in Swiss public hospitals (N = 720), which
are currently being confronted by major reforms. Partial mediation effects of
organizational commitment (OC) in the relationships between independent variables
and PATC are also controlled. The findings show that perceived social support (work
relationships with colleagues and supervisors) as well as perceived organizational
support (employee voice and participation, information and communication, work-life
balance) are positively and significantly related to PATC. Stress perception is shown
to have a negative impact on PATC. This article provides valuable contributions with
respect to antecedents of attitudes toward change in a population of public middle
managers
The personal norm of reciprocity
Reciprocity is here considered as an internalized social norm, and a questionnaire to measure individual differences in the internalized norm of reciprocity is presented. The questionnaire, Personal Norm of Reciprocity (PNR), measures three aspects of reciprocity: positive reciprocity, negative reciprocity, and beliefs in reciprocity. The PNR has been developed and tested in two cultures, British and Italian, for a total of 951 participants. A cross-cultural study provides evidence of good psychometric properties and generalizability of the PNR. Data provide evidence for criterion validity and show that positive and negative reciprocators behave in different ways as a function of the valence (positive or negative) of the other's past behaviour, the type of feasible reaction (reward versus punishment), and the fairness of their reaction. Copyright (C) 2002 John Wiley Sons, Ltd
The Problem of Experience in the Study of Organizations
This paper deals with the fact that we cannot experience large organizations directly, in the same way as we can experience individuals or small groups, and that this non-experientiability has certain implications for our scientific theories of organizations. Whereas a science is animated by a constructive interplay of theory concepts and experience concepts, the study of organizations has been confined to theory concepts alone. Implications of this analysis for developing a science of organizations are considered.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/68303/2/10.1177_017084069301400102.pd
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