Search results for "Lead"
showing 10 items of 1360 documents
Transformational leadership on the athletic field: An international review
2016
This paper provides a comprehensive review of the international literature that used the paradigm of transformational leadership in the context of physical activity (PA) and sport. A bibliometric and content of all international publications (N = 28) analysis is performed by classifying research based on various parameters such as the contexts (high performance sports, educational/recreational sports, varsity sports, school/within-class of physical education), role of the leader studied (coaches, teachers/instructors, peers, parents), population (adolescents and adults), and variables that have been associated with transformational leadership style. This study supported the interest and app…
Assessing teacher leadership in physical education: the Spanish version of the transformational teaching questionnaire
2018
<p>Drawing from the transformational leadership theory, this study aims to translate and analyse the psychometric properties of a Spanish version of the Transformational Teaching Questionnaire (TTQ).</p><p>A cohort sample of 2107 adolescents (997 males and 1110 females) from 82 secondary schools voluntarily participated in the research.</p><p>In Study 1 ((<em>n</em> = 1066), the exploratory factor analysis informed a one-factor solution. In Study 2 (<em>n</em> = 1041), the confirmatory factor analysis showed the single-factor and the four-factor models showed satisfactory and adequate goodness of fit indices, respectively. Confirmatory …
Live, Laugh and Love to Learn Turning Learning from Traditional to Transformational
2015
In recent years, educators and policy makers have been focusing on student achievement and well-being. After the great Pisa -success and glory, Finnish researchers have risen up discussion about future skills, school activity and motivation – fields where Finnish students haven’t indicated so well. Quickly changing 21st century challenges teachers to see life outside the school and recognize not only the core subjects but also the key skills needed outside there. When transferring from traditional to transformational education, one has to imagine new ways to think about teaching and learning. The research project, introduced in this article, focuses on transformational pedagogic and the que…
An Empirical Analysis of the Lead Lag Relationship Between CDS and Stock Market
2018
This paper complements the recent literature providing a thorough research of the lead lag relationship between stock and sovereign CDS markets using a rolling VAR framework. We find that the transmission channel between the credit and stock market exist. This phenomenon is time varying, it seems to be related with the economic cycle and in general, it’s more intense in US than in Europe.
Different strategies to achieve Pb-tolerance by the two Trebouxia algae coexisting in the lichen Ramalina farinacea.
2012
Lichen thalli are permeable to airborne substances, including heavy metals, which are harmful to cell metabolism. Ramalina farinacea shows a moderate tolerance to Pb. This lichen comprises two Trebouxia phycobionts, provisionally referred to as TR1 and TR9, with distinct physiological responses to acute oxidative stress. Thus, there is a more severe decay in photosynthesis and photosynthetic pigments in TR1 than in TR9. Similarly, under oxidative stress, antioxidant enzymes and HSP70 protein decrease in TR1 but increase in TR9. Since Pb toxicity is associated with increased ROS formation, we hypothesized greater Pb tolerance in this phycobiont. Accordingly, the aim of the present study was …
Differences in the cell walls and extracellular polymers of the two Trebouxia microalgae coexisting in the lichen Ramalina farinacea are consistent w…
2015
Trebouxia TR1 and T. TR9 are the two microalgae that coexist within Ramalina farinacea thalli. In the presence of Pb, TR9 formed extracellular aggregates, while TR1 showed a lower wall lead retention capability. Herein, we studied the cell walls and extracellular polymers (EPS) of TR1 and TR9, and their possible implication in the different Pb retention capacity of these microalgae. The proportion of cell walls on the overall cell biomass was 2.6 times higher in TR9 than in TR1. Glycosyl linkage analysis indicated the presence of hot-water soluble β-galactofuranan(s) in both cell walls, distinct from that previously described in Asterochloris, with increased rhamnose content in TR9 and a hi…
Effect of tin and lead chlorotriphenyl analogues on fruit fly Drosophila hydei and liposomes membrane
2011
This article presents the results of a study investigating the biological activity of triphenyltin chloride (TPhT) and two metalloorganic compounds, triphenyllead chloride (TPhL) and triphenylmethane chloride (TPhC), in their interaction with model membranes and the living organisms of fruit flies Drosophila hydei. The study of model membranes (sonicated liposomes) was conducted using the electron spin resonance (ESR) spin probe technique, whereas the experiment on fruit flies involved investigating their viability on media containing the studied compounds. The test results clearly demonstrate that TPhT affects fruit flies more actively than TPhL (complete lethality after 7 days of culture …
Development of Novel Benzodiazepine-Based Peptidomimetics as Inhibitors of Rhodesain from Trypanosoma brucei rhodesiense.
2020
Starting from the reversible rhodesain inhibitors 1 a-c, which have Ki values towards the target protease in the low-micromolar range, we have designed a series of peptidomimetics, 2 a-g, that contain a benzodiazepine scaffold as a β-turn mimetic; they are characterized by a specific peptide sequence for the inhibition of rhodesain. Considering that irreversible inhibition is strongly desirable in the case of a parasitic target, a vinyl ester moiety acting as Michael-acceptor was introduced as the warhead; this portion was functionalized in order to evaluate the size of corresponding enzyme pocket that could accommodate this substituent. With this investigation, we identified an irreversibl…
Impacto en el sector turístico de las políticas de desarrollo rural en la Comunidad Valenciana (1991-2013). Análisis de las estrategias de fomento y …
2021
Una parte del presente artículo se presentó en forma de comunicación al XIII Coloquio de Geografía del Turismo, Ocio y Recreación, celebrado en Barcelona entre los días 14 y 16 de junio de 2012. El alojamiento en los territorios rurales valencianos experimentó un crecimiento importante durante la implantación de las iniciativas Leader, Leader 2 y Leader+, entre 1991 y 2006, así como de los programas Proder y Proder II, entre 1996 y 2006. En la Comunidad Valenciana, alrededor del 30% de las inversiones de Leader y el 16% de las inversiones de Proder se realizaron en alojamientos rurales. Finalizadas estas iniciativas y estos programas, se pone en marcha la estrategia Ruralter (2007-2013). Ve…
Liderazgo transformacional, capacidad de aprendizaje organizativo y felicidad en el trabajo
2013
En los últimos veinte años se ha producido un incremento de los artículos que buscan cómo mejorar el resultado económico en las empresas. No hay duda de la importancia que tiene esta variable como fin último de cualquier investigación, sin embargo, en este estudio queremos proponer una variable que consideramos de especial relevancia para la investigación en el área de organización de empresas como es la felicidad en el trabajo. La felicidad en general está directamente conectada con beneficios tan importantes como la salud física o mental, y las medidas que hasta ahora se han aproximado a la felicidad en el trabajo se han relacionado con variables tan importantes como la mejora de la motiv…