Middle school students’ attitudes toward physical education     

Prithwi Raj Subramaniam  Stephen Silverman 《Teaching and Teacher Education》2007

The purpose of this study was to determine middle school students’ attitudes toward physical education using an attitude instrument grounded in attitude theory. In addition, this investigation also sought to ascertain if gender and grade level influence student attitudes toward the subject matter. Participants for this study were 995 students from grades 6 to 8. A previously validated attitude instrument based on a two-component view of attitude with scores that showed evidence of reliability and validity was used. Overall all students had moderately positive attitudes toward physical education. There was, however, a decline in attitude scores as students progressed in grade level. Higher grades had lower mean scores.  相似文献   

Comparison of Traditional Instruction on Reflection and Rotation in a Nepalese High School with an ICT-Rich,Student-Centered,Investigative Approach     

Bhesh Raj Mainali  André Heck 《International Journal of Science and Mathematics Education》2017,15(3):487-507

A teacher-centered, examination-driven instructional approach emphasizing knowledge of facts and standard methods through drill-and-practice without use of Information and Communications Technology (ICT) is still dominant in Nepalese high schools. In this article, we present a classroom study in which the traditional instructional approach has been replaced by an ICT-rich, student-centered, investigative approach in the context of teaching and learning basic concepts of reflection and rotation. Here, ICT refers to dynamic geometry software. Through a pretest-posttest control and experimental group research design, we compared the effects of both approaches on students’ understanding. A test was designed and used for investigating students’ alternative conceptions of reflection and rotation. The results showed that the experimental group outperformed the control group and there were indications of a lasting effect. Qualitative analysis indicated that all distinctive aspects of the experimental approach had positive effects on the students’ performance and learning experience. This study can also be considered as an evidence-based example of how one can, with limited ICT facilities, still achieve improvements in teaching and learning at a public high school in a developing country.  相似文献   

Student attitudes to whole body donation are influenced by dissection     

Kevin C. Cahill  Raj R. Ettarh 《Anatomical sciences education》2008,1(5):212-216

Given the important role that anatomical dissection plays in the shaping of medical student attitudes to life and death, these attitudes have not been evaluated in the context of whole body donation for medical science. First year students of anatomy in an Irish university medical school were surveyed by questionnaire before and after the initial dissection and again after 9 weeks of anatomical dissection. Analysis of student responses to the idea of whole body donation by an unrelated stranger, a family member, or by the respondent showed that a priori attitudes to donation by a stranger did not change with exposure to dissection. However, student opposition to donation by a family member was evident immediately after the initial dissection and was sustained throughout the duration of this study. Support for the idea of donating their bodies to medical science decreased significantly among respondents after exposure to dissection (31.5% before dissection, 19.6% after dissecting for 9 weeks) but not to levels reported in the general population in other studies. This study demonstrates that where dissection forms a part of anatomy teaching, students expect to learn anatomy by dissecting donors whom they do not know. As a potential donor population, students are reluctant to become emotionally involved in the donation process and are unwilling to become donors themselves. Anat Sci Ed 1:212–216, 2008. © 2008 American Association of Anatomists.  相似文献   

Looking forward by looking back: equity in science education as socially just and morally healing action     

Szostkowski  Alaina  Upadhyay  Bhaskar 《Cultural Studies of Science Education》2019,14(2):335-353

Cultural Studies of Science Education - In this conceptual paper, we argue that social justice, morality, and healing must be at the core of an equity agenda for science education. When we view...  相似文献   

Immunomodulation of excretory secretory materials from the filarial parasite<Emphasis Type="Italic">Setaria digitata</Emphasis>     

R. Kaleysa Raj  C. G. Pradeep  C. Maya Devi  Linda John  M. R. Rekha  Sheeba K. Oommen 《Indian journal of clinical biochemistry : IJCB》1997,12(1):32-34

ES materials released along with the release of mf showed immunosuppression as evidenced by a decrease in T lymphocyte levels in the immunised animals. Lipid fractions of the mf associated ES materials and protein fractions of the detergent soluble materials were found to cause suppression of immune response in the host. Further study revealed that the suppression associated with the lipid fractions is actually the end result and that mf associated ES materials is actually a mixture of immunosuppressive and immunopotentiating components and the release of the components is most likely regulated.  相似文献   

Evaluation of oxidative stress, antioxidants and prolactin in infertile women     

Bhaskar S Veena  Sharmila Upadhya  Satish Kumar Adiga  Kumar N Pratap 《Indian journal of clinical biochemistry : IJCB》2008,23(2):186-190

The objective of the study was to estimate the serum concentrations of oxidative stress markers-lipid hydroperoxide (MDA-Malondialdehyde), lactate dehydrogenase (LDH), nitrite; and ferric reducing antioxidant power (FRAP) — a measure of total antioxidant capacity in serum. Serum nitrite levels were high in fertile women than in infertile women (p<0.001), whereas MDA was high in infertile women than in fertile group (p<0.018). On classifying the entire group of women with infertility based on the etiology, serum MDA and LDH levels were higher in women with infertility due to unexplained factor than in women with other causes contributing to infertility compared to controls (p<0.001, p<0.02). A positive correlation among serum prolactin and nitrite suggested that hyperprolactinemia could contribute to infertility by inducing oxidative damage. Serum FRAP levels showed no significant difference in the groups studied. Lipid peroxidation was high in women with unexplained infertility which may be due to hyperprolactinemia.  相似文献   

Protective Role of Catechin on <Emphasis Type="SmallCaps">d</Emphasis>-Galactosamine Induced Hepatotoxicity Through a p53 Dependent Pathway     

Vasanth Raj P  Nitesh K  Sagar Gang S  Hitesh Jagani V  Raghu Chandrashekhar H  Venkata Rao J  Mallikarjuna Rao C  Udupa N 《Indian journal of clinical biochemistry : IJCB》2010,25(4):349-356

Objective of this study was to obtain a better understanding of the mechanism responsible for the d-galactosamine (d-GalN) induced hepatotoxicity and to study the effect of catechin against d-GalN induced hepatotoxicity. Catechin 50 and 100 mg/kg b.wt was administered for 1 week by oral route. Liver damage was induced by intra-peritoneal administration of 400 mg/kg b.wt d-galactosamine on the last day of catechin treatment. At the end of treatment all animals were killed and liver enzyme levels were estimated. Dissected hepatic samples were used for histopathology, RNA isolation, expression studies of Bax, Bcl-2 and p53 mRNA levels and mitochondrial membrane potential studies. We found that increases in the liver enzyme activity and decrease in antioxidant enzyme activity by d-GalN were significantly restricted by oral pretreatment with catechin. Disruption of mitochondrial membrane potential, up regulation of p53, Bax and down regulation of Bcl-2 mRNA levels in the liver of d-GalN intoxicated rats were effectively prevented by pretreatment with catechin.  相似文献   

Interferences in clinical chemistry analysis     

K. S. S. Saibaba  M. Vijaya Bhaskar  P. V. L. N. Srinivasa Rao  G. V. Ramana  K. V. Dakshinamurty 《Indian journal of clinical biochemistry : IJCB》1998,13(2):55-62

Analyses of body fluids in clinical chemistry laboratory are subject to a number of interferences that affect the analytical accuracy. The interferents arise from exogenous sources like drugs and additives as well as such endogenous sources like lipemia, hemolysis and icteria. Our studies demonstrate matrix interference in the form of analytical blas between serum and aqueous matrix calibrators. The clinical chemist should constantly be aware of this factor. Correction of interferences is recommended as an integral part of the quality assurance program.  相似文献   

Celebrating Jhumki Basu’s contributions to science education as a scholar and an activist: voices from the field     

Catherine Milne  Laurie Rubel  Alberto J. Rodriguez  Christopher Emdin  Maria Rivera Maulucci  Donyagay Locke  Edna Tan  Neil Clairmont  Bhaskar Upadhyay 《Cultural Studies of Science Education》2009,4(2):399-407

This metalogue addresses the ways Sreyashi Jhumki Basu mediated our practices in science education and life. We focus on Basu’s uses of critical science agency, democratic science classrooms, and critical feminist ethnography to transform the possibilities for all participants in her research and educational practices. We also examine her use of cases and pedagogical strategies to support youth set practice goals based on conceptions of self and preferred learning trajectories. These strategies allow youth to develop power through the use of disciplinary knowledge and modes of inquiry to support their understanding of themselves as powerful, able to change their position in the world, and make the world more socially just. This (Key Contributors) article acknowledges a life cut short through disease, reflects our personal loss of a friend and colleague, and expresses determination to ensure that her contributions to science education are sustained and continued.

Catherine MilneEmail: Email:

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Quantitative Assessment of Expression of Lactate Dehydrogenase and its Isoforms 3 and 4 may Serve as Useful Indicators of Progression of Gallbladder Cancer: A Pilot Study     

Singh TD  Barbhuiya MA  Gupta S  Shrivastav BR  Jalaj V  Agarwal N  Tiwari PK 《Indian journal of clinical biochemistry : IJCB》2011,26(2):146-153

We have studied the expression of lactate dehydrogenase and its isoforms in gall bladder cancer, cholelithiasis and chronic cholecystitis. Quantitative and qualitative assays of lactate dehydrogenase and its various isoforms were carried out in the blood sera of patients and healthy controls along with parallel estimation of various liver function test enzymes. Statistical analysis was done using the software Graph Pad Prism. Significantly high expression of lactate dehydrogenase along with alkaline phosphatase and total bilirubin (P ≤ 0.05) was observed in all the three clinical conditions as compared to controls. LDH showed an increasing trend from stage I to stage IV of GBC indicating a significant positive association with the disease progression. The levels of LDH 3 and 4 isoforms appeared significantly more elevated in GBC than cholelithiasis or chronic cholecystitis. We suggest that a careful estimation of total LDH and its isoforms 3 and 4 alone or along with alkaline phosphatase and total bilirubin during different clinical stages, like chronic cholecystitis, cholelithiasis and GBC, may prove to be a potentially useful biomarker in the prognostic management of gall bladder diseases, specifically GBC.  相似文献