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Saad F. Shawer 《Journal of Further & Higher Education》2018,42(8):1078-1104
This article examines evaluation intervention influence on programme performance through surveys, qualitative evaluation, questionnaires, interviews and test scores. The study uses quantitative (SPANOVA and MANOVA) and qualitative (the constant comparative method) data analysis, together with examining practical significance through effect size and power analysis. Major findings show positive contributions of evaluation intervention to quality management, teacher pedagogical skills and student learning outcomes (SLOs). Quantitative and qualitative findings, however, diverge regarding evaluation impact on programme research. A positive transfer of evaluation ownership discourse from decision-maker to implementer stakeholders has been observed. The study recommends evaluation intervention for programme, institutional and individual development alongside quality improvement. 相似文献
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Saad Shawer 《Curriculum Journal》2013,24(3):333-359
This qualitative study examines the influence of teacher conceptualisations of communicative language teaching on their actual classroom practice and student cognitive and affective change. The qualitative paradigm underpinned this research at the levels of ontology (multiple teacher realities), epistemology (interaction with, rather than detachment from, the respondents), and methodology through using an idiographic strategy (qualitative case study), instruments (qualitative interviews, participant observation and questionnaires), and data analysis technique (explanation-building). The results indicated that teachers who understood CLT and managed to materialise its principles into action significantly improved student language learning (cognitive change) and motivation (affective change). Moreover, traditional, structural and didactic teaching as well as communicative knowledge that was not translated into practice had almost a typical negative impact on student learning and motivation. Recommendations for curriculum development, teacher development, teacher training and future research are made. 相似文献
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Hemolysis of erythrocytes from human and porcine blood was studied at different calcium chloride (CaCl2) concentrations (0.04–1.83 mM) and at a constant bilirubin concentration (72 mM). Although, human erythrocytes showed significant
hemolysis (64%) at the highest CaCl2 concentration (1.83 mM) used in this study, remarkable resistance to this phenomenon was observed with porcine erythrocytes
as only 11% hemolysis was observed. A similar pattern in the behavior of both human and porcine erythrocytes was observed
when parameter such as bilirubin concentration or time of incubation with bilirubin was varied. Other divalent cations such
as Mn2+, Ba2+ and Mg2+ were either least effective or ineffective in inducing hemolysis in presence of bilirubin. Serum albumin played a protective
role in this phenomenon in a concentration dependent manner, as no hemolysis was observed at a bilirubin/albumin molar ratio
of 1:1 or less. Differences in the structural make-up of proteins and lipids in the erythrocyte membranes of the two species
may account for their different behavior. 相似文献
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Denguezli M Ben Chiekh I Ben Saad H Zaouali-Ajina M Tabka Z Abdelkrim Z 《Journal of sports sciences》2008,26(12):1351-1359
The aim of this study was to determine whether endurance training in athletes induces airway inflammation and pulmonary function disorders. Respiratory pattern and function were analysed in ten healthy endurance runners at rest, during sub-maximal exercise, and during the recovery. Inflammatory cells and metabolites (histamine, interleukin-8, and leukotriene E(4)) were measured in sputum at rest and after exercise. The experiments were conducted on three different occasions (basic endurance training, pre-competitive and competitive periods). In spite of the absence of post-exercise spirometric changes and respiratory symptoms, airway cells counts and inflammatory markers changed significantly. At the beginning of the experiment, athletes' induced sputum showed an abundance of macrophages compared with neutrophils. We found a high percentage of neutrophils during the pre-competitive and competitive periods of the sport season (41% and 37%), a significant increase in macrophage counts during the pre-competitive period (51%), and a significant rise in total cells, interleukin-8, leukotriene E(4), and histamine during the competitive period. In conclusion, one year's training increased markers of inflammation in the airways of endurance runners without symptoms or changes in pulmonary function, suggesting that airway inflammation is of insufficient magnitude to markedly impact lung function in healthy athletes. 相似文献
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Saad A. Noeman Kommajosyula Sharada Hassan El-Bena Samia EL Dardery Khalid AL Sawaf 《Indian journal of clinical biochemistry : IJCB》1994,9(1):40-42
The level of seven acute phase proteins was estimated together with copper and zinc in two groups of 15 children each suffering
from hepatitis A (HAV) or Hepatitis B (HBV). The mean concentration of α-1 antitrypsin, α-2 macroglobulin, ceruloplasmin,
C3 and copper was increased uniformly in both the types of viral hepatitis. α-1 acid glycoprotein, haptoglobin and zinc levels
were decreased in both the infections. A significant decrease in albumin level was observed in HAV while the decrease was
not significant in HBV. All the paramenters were repeated after one month on the day of discharge following the disappearance
of clinical signs and symptoms wherein the haptoglobin level returned to normal in HAV. No change was observed in the level
of other acute phase proteins. The level of the trace elements returned to normal. The observed increase in the levels of
acute phase proteins at the onset does not seem to have any significant relation to the subsequent course of the disease.
However, the level of acute phase proteins and other biochemical parameters may indicate a delayed biochemical recovery phase
in conjunction with the underlying hepatic pathological changes in the course of viral hepatitis in spite of clinical recovery. 相似文献
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Roseanne Saad Khalaf 《Compare》2014,44(1):97-116
To identify the themes that define the lives of a generation living in a conflict-ridden post-war society, I explore the changing views of Lebanese students through an analysis of the personal narrative texts that they created during my creative writing workshops over a 16-year period (1997–2012). Increasingly, young Lebanese feel trapped in a violent past, a threatening present and a hopeless future. As traditional forms of stability and loyalty (family and state) become more dysfunctional, modern alternative sources of education, employment, security and public discourse remain absent, creating an ever-widening disjunction between expectations and disheartening lived realities. Since 1998, student texts have focused on three salient thematic groupings: Idealism (1998–2005), Activism (2005–2008) and, most recently, Disillusionment (2008–present). In an atmosphere of escalating intolerance and hostility, it is hardly surprising that students are currently escaping to spaces of indulgence and personal gratification. As ongoing regional conflicts fuel local sectarian rivalries, I argue that reengaging educated young Lebanese in non-confrontational narratives that challenge dysfunctional systems can play a vital role in disrupting a dangerous sectarian narrative that is fast threatening to entangle Lebanon in yet another brutal war. 相似文献