1,626 research outputs found
Preservice Teachersâ Self-Efficacy in the Teaching of Science at Basic Schools in Ghana
Many researchers emphasize the need to look at teacher self-efficacy in preservice teacher preparation and training for the teaching profession. The purpose of this study was to explore science teachersâ efficacy beliefs of preservice teachers who are enrolled in general programme and those enrolled in science programme at a college of education in Ghana. Data for the study were collected from a total number of 227 preservice teachers using Science Teaching Efficacy Belief Instrument (STEB-B). Data were analysed using both descriptive and inferential statistics specifically mean and standard deviation and t-test. The results indicated that preservice teachers had high science teaching efficacy however, those who are enrolled in science programme were efficacious than their counterpart in the general programme. Also there was a statistically significant difference in gender on the preservice teachers' science teaching efficacy beliefs. Keywords: Self-efficacy, preservice teacher, science teaching, science programme, general programme. DOI: 10.7176/JEP/10-22-12 Publication date: August 31st 201
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Indigenising post-war state reconstruction. The Case of Liberia and Sierra Leone.
Current approaches to post-war state reconstruction are primarily dominated by the
liberal peace thesis. These approaches tend to ignore the indigenous institutions,
societal resources and cultural agencies of post-conflict societies, although such
entities are rooted in the sociological, historical, political and environmental realities
of these societies. Such universalised and `best practiceÂż approaches, more often than
not, tend to reproduce artificial states. The Poro and Sande are the largest indigenous
sodality institutions in the `hinterlands¿¿a pejorative term attributed to rural Liberia
and Sierra Leone. Both the Poro and Sande exercise spiritual, political, economic and
social authority. In this thesis, I use critical realism and the case study approach to
investigate: a) the extent to which the liberal peace practitioners who are leading state
reconstruction in Liberia and Sierra Leone recognised the role and potential utility of
the Poro and Sande institutions; b) the extent to which the Poro and Sande were
engaged; and c) the implications for the quality and viability of the reconstructed
states. This evidence-based research suggests that the liberal peace project sidelined
indigenous institutions, including the Poro and Sande, in the post-war recovery and
rebuilding exercises. The disregard for indigenous and emerging resources in the
context of state reconstruction in Liberia and Sierra Leone has contributed to the
resurgence of 19th century counter-hegemonic resistance from the sodality-governed
interior of both countries. At the same time, the reconstructed states are drifting back
towards their pre-war status quo. Authority structures remain fragmented,
kleptocracy is being restored, webs of militarised patronage networks are being
emboldened, and spaces for constructive dialogues are shrinking. This thesis
underscores the need for indigenisation as a complementary strategy to help reverse
the deterioration, and to maximise gains from massive investments in peacebuilding
huckebein specifies aspects of CNS precursor identity required for motoneuron axon pathfinding
Electronic inhomogeneity and Ag:Sb imbalance of Ag1âyPb18Sb1+zTe20 high-performance thermoelectrics elucidated by 125Te and 207Pb NMR
Using magic-angle spinning 125Te and 207Pb NMR, we have discovered the presence of two phases of approximately tenfold different free-electron concentration, n, in high-performance thermoelectrics Ag1âyPb18Sb1+zTe20 (âLAST-18â), proven by pairs of Knight-shifted NMR peaks and biexponential spin-lattice relaxation. The ratio of the phases is typically 2:1 with n â 2 Ă 1019 cmâ3 and 0.2 Ă 1019 cmâ3, respectively, determined from the spin-lattice relaxation times. 125Te NMR spectra show that both phases contain similar concentrations of Sb. The low-n component is assigned to Ag-rich regions with Ag-Sb pairing (but not AgSbTe2), the dominant high-n component to PbTe:Sb resulting from the excess of Sb relative to Ag. The electronic inhomogeneity observed here must be considered in the search for a better understanding of high performance thermoelectric materials
Hobsonâs choice? Constraints on accessing spaces of creative production
Successful creative production is often documented to occur in urban areas that are more likely to be diverse, a source of human capital and the site of dense interactions. These accounts chart how, historically, creative industries have clustered in areas where space was once cheap in the city centre fringe and inner city areas, often leading to the development of a creative milieu, and thereby stimulating further creative production. Historical accounts of the development of creative areas demonstrate the crucial role of accessible low-cost business premises. This article reports on the findings of a case study that investigated the location decisions of firms in selected creative industry sectors in Greater Manchester. The study found that, while creative activity remains highly concentrated in the city centre, creative space there is being squeezed and some creative production is decentralizing in order to access cheaper premises. The article argues that the location choices of creative industry firms are being constrained by the extensive city centre regeneration, with the most vulnerable firms, notably the smallest and youngest, facing a Hobsonâs choice of being able to access low-cost premises only in the periphery. This disrupts the delicate balance needed to sustain production and begs the broader question as to how the creative economy fits into the existing urban fabric, alongside the competing demands placed on space within a transforming industrial conurbation
Comment on "Evidence for Neutrinoless Double Beta Decay"
We comment on the recent claim for the experimental observation of
neutrinoless double-beta decay. We discuss several limitations in the analysis
provided in that paper and conclude that there is no basis for the presented
claim.Comment: A comment written to Modern Physics Letters A. 4 pages, no figures.
Updated version, accepted for publicatio
An Early Palaeolithic site near Saiwan(Sultanate of Oman)
First discovery of Acheulian artefacts along the coast of the Sultanate of Oma
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