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Search Results: 1 - 10 of 461891 matches for " Tassos A. Mikropoulos "
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In memoriam: David H. Jonassen
Athanassios Jimoyiannis,Tassos A. Mikropoulos
Themes in Science and Technology Education , 2013,
Abstract:
Educational Robotics as Mindtools
Tassos A. Mikropoulos,Ioanna Bellou
Themes in Science and Technology Education , 2013,
Abstract: Although there are many studies on the constructionist use of educational robotics, they have certain limitations. Some of them refer to robotics education, rather than educational robotics. Others follow a constructionist approach, but give emphasisonly to design skills, creativity and collaboration. Some studies use robotics as an educational tool in engineering education, science and programming learning implying mindtools, but they do not give evidence of mindtool characteristics. This work proposes educational robotics as mindtools based on constructivism and especially constructionism. The positive learning results from two case studies on physics and programming teaching indicate that educational robotics can be used as mindtool ssupporting knowledge construction through the design of meaningful authentic projects, learning by doing in both the virtual and real world, facing cognitive conflicts and learning by reflection and collaboration.
Phonological Awareness Software for Dyslexic Children
Maria Kazakou,Spyros Soulis,Eleni Morfidi,Tassos A. Mikropoulos
Themes in Science and Technology Education , 2011,
Abstract: The improvement in the ability to process sounds in oral language (phonological awareness) through the contribution of Information and CommunicationTechnologies (ICT) is reported by many researchers. However, deficits in phonological awareness may persist despite intervention. There is increasing research interest on how educational technology may assist the development of this critical ability. In this article we present the ‘Phonological Awareness Educational Software’ (PHAES) which is a hypermedia application for helping dyslexic readers, using phonological awareness training. Τhe PHAES learning activities use the small units of language (phoneme/grapheme) presented alone, at the word and sentence level, both in spoken and written format. This work was based on the theoretical conceptualization of children’s reading difficulties originating in the phonological domain and aimed to develop a useful tool to assist teaching efforts in helping dyslexic readers. The empirical results show that PHAES is a user friendly educational application and has the potential to set an example for future research in the area.
Editors’ Notes
Tassos Mikropoulos,Veronica S. Pantelidis,Chwen Jen Chen
Themes in Science and Technology Education , 2009,
Abstract:
Surgical Resident Attrition and the Menninger Morale Curve  [PDF]
Jack Contessa, Tassos Kyriakides
Surgical Science (SS) , 2011, DOI: 10.4236/ss.2011.27087
Abstract: BACKGROUND: Attrition in surgical residency programs continues to be a significant challenge. Ap-proximately 20% of residents who begin a categorical surgery residency fail to complete it. A number of studies speculated reasons for this including work hours, life style, family pressures, and resident feelings of inadequacy including fear of termination. To date no research has been conducted investigating the relation-ship between resident morale and attrition. This study sought to determine if this linkage exists in surgery residents. METHODS: The Morale Assessment in General Practice Index (MAGPI) was administered to 21 PGY 1, 2, 3, and 5 surgical residents to assess level of morale. Non-parametric methods were carried out to assess if there were differences in morale among the four PGY groups. Additionally, analyses of the four factors comprising the MAGPI were also conducted. RESULTS: Although differences did not reach statis-tical significance, analysis of the data reveals that residents demonstrate different trends in their levels of morale based on the amount of time they spend in a residency and in a way that approximates the morale curve described by W. Walter Menninger, M.D. Additionally, two of the four factors comprising the MAGPI also indicate trends similar to that described by the Menninger morale curve. CONCLUSIONS: Although no statistically significant results were achieved, the data reveal trends that approximate shifts in morale similar to those described by the Menninger morale curve, with residents at the PGY 2 and 3 levels present-ing lower morale levels than at the PGY 1 and 5 levels. This may be due in part to the size of the population studied. Future research should be continued in this area with a larger sample size.
Is Torosaurus Triceratops? Geometric Morphometric Evidence of Late Maastrichtian Ceratopsid Dinosaurs
Leonardo Maiorino, Andrew A. Farke, Tassos Kotsakis, Paolo Piras
PLOS ONE , 2013, DOI: 10.1371/journal.pone.0081608
Abstract: Background Recent assessments of morphological changes in the frill during ontogeny hypothesized that the late Maastrichtian horned dinosaur Torosaurus represents the “old adult” of Triceratops, although acceptance of this finding has been disputed on several lines of evidence. Methodology/Principal Findings Examining the cranial morphology of 28 skulls in lateral view and 36 squamosals of Nedoceratops hatcheri, Triceratops spp. and Torosaurus spp. by means of landmark-based geometric morphometrics, we compared ontogenetic trajectories among these taxa. Principal Component Analysis and cluster analysis confirmed different cranial morphologies. Torosaurus shape space is well separated from Triceratops, whereas Triceratops horridus and Triceratops prorsus partially overlap within Triceratops shape space. Linear regressions between shape and size suggest different ontogenetic trajectories among these taxa. Results support the “traditional” taxonomic status of Torosaurus. We hypothesize that ontogeny drives cranial morphology with different patterns between Torosaurus and Triceratops. Conclusions/Significance Torosaurus is a distinct and valid taxon. Whether looking at entire skulls, skulls without the frill, frills alone, or squamosals, Torosaurus has different morphologies and distinct allometric trajectories compared to Triceratops. This new approach confirms the taxonomic status of Torosaurus as well as the comparatively low diversity of ceratopsids at the end of the Maastrichtian in North America.
A new era for the music industry: How new technologies and the internet affect the way music is valued and have an impact on output quality
Patokos Tassos
Panoeconomicus , 2008, DOI: 10.2298/pan0802233p
Abstract: Since its early days, the Internet has been used by the music industry as a powerful marketing tool to promote artists and their products. Nevertheless, technology developments of the past ten years, and especially the ever-growing phenomenon of file sharing, have created the general impression that the Internet is responsible for a crisis within the industry, on the grounds that music piracy has become more serious than it has ever been. The purpose of this paper is to present the impact of new technologies and the Internet on the three main actors of the music industry: consumers, artists and record companies. It is claimed that the Internet has changed the way music is valued, and also, that it may have a direct effect on the quality of the music produced, as perceived by both artists and consumers alike.
Creativity and Rationality in a Local Scientific Context: the Case of Van der Waals ?-surface.
Tassos Tsiadoulas
Philosophica , 1996,
Abstract:
On Paleobiogeography of Italian Tertiary Mammals / Elementi di Paleobiogeografia dei mammiferi terziari dell'Italia
Tassos Kotsakis
Hystrix : the Italian Journal of Mammalogy , 1986, DOI: 10.4404/hystrix-1.1-3870
Abstract: In this paper the Italian continental Tertiary mammalofaunas are examined. For each known layer the faunal composition, the age and the center of spreading of each component are pointed out. Besides some isolated remains collected in marine sediments, faunistic assemblages coming from three Eocene, six Oligocene, six Miocene, three Mio/Pliocene, six Lower Pliocene, more than ten Upper Pliocene and two Pleistocene sites interesting for mammalian Tertiary biogeography are analysed. Riassunto Vengono esaminate le faune a mammiferi continentali del Terziario italiano. Per ogni giacimento viene indicata la composizione della fauna, l'età e l'area di provenienza delle varie componenti. A prescindere dai resti isolati raccolti in sedimenti marini, vengono analizzate le faune di trentasei località (tre eoceniche, sei oligoceniche, sei mioceniche, tre mio/plioceniche, sei plioceniche inferiori, dieci plioceniche superiori e due pleistoceniche) che presentino interesse per la biogeografia del Terziario.
Glenn W. Erickson e John A. Fossa. Estudos sobre o Número Nupcial
Tassos Lycurgo
Princípios : Revista de Filosofia , 2000,
Abstract:
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