نتایج جستجو برای: experimental study

تعداد نتایج: 4437029  

Journal: :Speech Communication 2003
Marc Schröder

The study described here investigates the perceived emotional content of “affect bursts” for German. Affect bursts are defined as short emotional non-speech expressions interrupting speech. This study shows that affect bursts, presented without context, can convey a clearly identifiable emotional meaning. Affect bursts expressing ten emotions were produced by actors. After a pre-selection proce...

2007
David Reinstein

I run a series of laboratory experiments to estimate and describe the extent to which an individual's charitable donation to one cause displaces his or her giving to another cause. The experiments also investigate motivations for giving, including the simple warm-glow and public-goods models, and the desire for in uence, reputation, and normalizing behavior. In the rst wave of experiments I all...

2008
Kenneth E. Collier Richard D. McKelvey Peter C. Ordeshook Kenneth C. Williams

This essay reports on some experiments designed to study two candidate electoral competition when voters are 'retrospective' voters. The experiments consist of a sequence of elections in which subjects play the part of both voters and candidates. In each election the incumbent adopts a policy position in a one-dimensional policy space, and voters are paid (on the basis of single peaked utility ...

Introdution: Common cancer treatment methods have many side effects. Therefore, the use of new methods for drug delivery to cancer cells is necessary. In the present study, nano formulations of lipid carriers containing doxorubicin have been synthesized and its physicochemical properties have been investigated. Methods: The present study was an experimental study. The liposomal systems were sy...

Journal: :CoRR 2000
Alexandros V. Gerbessiotis Constantinos J. Siniolakis

The Bulk-Synchronous Parallel model of computation has been used for the architecture independent design and analysis of parallel algorithms whose performance is expressed not only in terms of problem size n but also in terms of parallel machine properties. In this paper the performance of implementations of deterministic and randomized BSP sorting algorithms is examined. The randomized algorit...

Journal: :J. Economic Theory 2006
Yan Chen Tayfun Sönmez

We present an experimental study of three school choice mechanisms. The Boston mechanism is influential in practice, while the two alternative mechanisms, the Gale-Shapley and Top Trading Cycles mechanisms, have superior theoretical properties in terms of incentives and efficiency. Consistent with theory, this study indicates a high preference manipulation rate under the Boston mechanism. As a ...

1954
R. K. Sanyal

compound 3, 3'-methylene-bis-4, 4'-oxycoumarin had remarkable anticoagulant properties. This compound was designated as 'Dicoumarol'. The drug is effective after oral administration in contradistinction to 'Heparin', but takes a longer time to act and its action also persists for a very much longer time than that of 'Heparin'. To increase the absorption rate of 'Dicoumarol' and thereby quicken ...

2002
A. Pikin J. Alessi E. Beebe A. Kponou K. Prelec G. Kuznetsov M. Tiunov

Experimental study of the BNL Electron Beam Test Stand (EBTS), which is a prototype of the Relativistic Hea@ Ion Collider (RHIC) Electron Beam Ion Source (EBIS), is currently underway. The basic physics and engineering aspects of a high current EBIS implemented in EBTS are outlined and construction of its main systems is presented. Efficient transmission of a 10 A electron beam through the ion ...

2004
Yoram Halevy

Ellsberg’s experiment is extended to study the association between ambiguity aversion and violation of reduction of compound lotteries. It is shown that the two phenomena are strongly associated. Further analysis reveals two di¤erent forms of association, which correspond to alternative theoretical models that account for ambiguity attitudes. JEL Classi…cation: D81, C91.

2007
David L. Rousseau Rocio Garcia-Retamero

Realists in international relations and realistic conflict theorists in social psychology argue that the perception of threat in intergroup conflict is a function of power asymmetries between groups. In contrast, social constructivists and social identity theorists argue that a shared sense of identity can reduce perceptions of intergroup threat. In this article, we test these competing argumen...

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