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1.
Spatial visualization ability and laparoscopic skills in novice learners: Evaluating stereoscopic versus monoscopic visualizations 
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下载免费PDF全文 Victoria A. Roach Manisha R. Mistry Timothy D. Wilson 《Anatomical sciences education》2014,7(4):295-301
Elevated spatial visualization ability (Vz) is thought to influence surgical skill acquisition and performance. Current research suggests that stereo visualization technology and its association with skill performance may confer perceptual advantages. This is of particular interest in laparoscopic skill training, where stereo visualization may confer learning advantages to novices of variant Vz. This study explored laparoscopic skill performance scores in novices with variable spatial ability utilizing stereoscopic and traditional monoscopic visualization paradigms. Utilizing the McGill Inanimate System for Teaching and Evaluating Laparoscopic Skills (MISTELS) scoring protocol it was hypothesized that individuals with high spatial visualization ability (HVz) would achieve higher overall and individual MISTELS task scores as compared to low spatial visualization ability (LVz) counterparts. Further, we also hypothesized that a difference would exist between HVz and LVz individual scores based on the viewing modality employed. No significant difference was observed between HVz and LVz individuals for MISTELS tasks scores, overall or individually under both viewing modalities, despite higher average MISTELS scores for HVz individuals. The lack of difference between scores obtained under the stereo modality suggested that the additional depth that is conferred by the stereoscopic visualization may act to enhance performance for individuals with LVz, potentially equilibrating their performance with their HVz peers. Further experimentation is required to better ascertain the effects of stereo visualization in individuals of high and low Vz, though it appears stereoscopic visualizations could serve as a prosthetic to enhance skill performance. Anat Sci Educ 7: 295–301. © 2013 American Association of Anatomists. 相似文献
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Linda Lohr Manisha Javeri Chris Mahoney Jim Gall Kathy Li Dawn Strongin 《Educational technology research and development : ETR & D》2003,51(2):41-55
The aim of this research was to examine the use of a rapid application development (RAD) approach in improving the usability
(effectiveness, efficiency, and appeal) of instructional materials for preservice teachers. The RAD approach used was the
analysis, synthesis, evaluation and change (ASEC) model (Reigeluth & Nelson, 1997). After examining existing materials, 11
units of instruction were prototyped, tested, modified, and retested with the requisite changes being implemented over the
course of three semesters. Qualitative and quantitative data were collected from 570 students, 7 instructional designers,
and 4 lab assistants. Results of the study showed significant increases in usability scores between the second and third semester.
Both positive and negative experiences in using a rapid development model are discussed. 相似文献
3.
Lin Tzu-Jung Nagpal Manisha VanDerHeide Jennifer Ha Seung Yon Newell George 《Reading and writing》2020,33(10):2549-2575
Reading and Writing - Argumentative writing has long been considered an essential skill for disciplinary learning. For researchers and curriculum developers to develop ecologically valid... 相似文献
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Ethnic Identity Development and Acculturation Preferences Among Minority and Majority Youth: Norms and Contact 下载免费PDF全文
下载免费PDF全文 Roberto González Brian Lickel Manisha Gupta Linda R. Tropp Bernadette P. Luengo Kanacri Eduardo Mora Pablo De Tezanos‐Pinto Christian Berger Daniel Valdenegro Oscar Cayul Daniel Miranda Patricio Saavedra Michelle Bernardino 《Child development》2017,88(3):743-760
This article tests a longitudinal model of the antecedents and consequences of changes in identification with indigenous (Mapuche) among indigenous and nonindigenous youth in Chilean school contexts over a 6‐month period (633 nonindigenous and 270 Mapuche students, Mages = 12.47 and 12.80 years, respectively). Results revealed that in‐group norms supporting contact and quality of intergroup contact at Time 1 predicted student's changes in Mapuche identification at Time 2, which in turn predicted changes in support for adoption of Chilean culture and maintenance of Mapuche culture at Time 2; some of the relationships between these variables were found to be moderated by age and ethnicity. Conceptual and policy implications are addressed in the Discussion . 相似文献
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Sharma Sunny Rana Vijay Malhotra Manisha 《Education and Information Technologies》2022,27(2):1523-1538
Education and Information Technologies - Web recommendation systems are ubiquitous in the world used to overcome the product overload on e-commerce websites. Among various filtering algorithms,... 相似文献
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De Manisha D. Banerjee G. Talukdar D. K. Bhattacharya 《Indian journal of clinical biochemistry : IJCB》1999,14(2):207-212
The aim of the present work is to understand the lipid peroxidation of RBC membrane and the spectrin protein content of RBC
membrane cytoskeleton of thalassaemic carrier state (trait) of β and hemoglobin E variant (HbE). We have measured the hemoglobin
(Hb), malondialdehyde (MDA) and spectrin content of RBC membrane of thalassaemic carrier. The spectrin content (α and β band)
of both β and HbE carrier was not changed than normal individuals. However, lipid peroxidation of RBC membrane was significantly
increased in both β and HbE trait, and Hb level was also decreased in thalassaemic carrier. It may be assumed that oxidative
damage by excess lipid peroxidation may have no role on irreversible membrane damage in β thalassaemia and HbE thalassaemia
carrier. 相似文献
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Using data for a large cross-country sample, a reasonable model is estimated to judge the effect of adult educational attainment on prevalence of HIV. Three main points are noted. First, there is an indication of a significantly negative effect of educational attainment on HIV prevalence. Second, magnitude of the impact appears sizable. Third, a simple test suggests that the model does not have any major specification problem. Three additional aspects may also be interesting. First, the impact of per capita income is negative but statistically weak. Second, the effect of health expenditures lacks significance and does not carry the expected sign. Third, the proportion of population that is Muslim has a significantly negative association with HIV prevalence, perhaps reflecting the widely-shared view that male circumcision lowers acquisition of the disease. 相似文献
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Ramesh Chandra Sujata K. Dass Priyanka Tomar Manisha Tiwari 《Indian journal of clinical biochemistry : IJCB》2001,16(2):145-152
As a stress agent, inducing apoptosis and blocking it, Cd can have both helpful and harmful effects. The atmosphere is a thin
envelope which makes the worid a global village. Cd is the most toxic metal in air. As both the first and second messenger
of the stress response, it is synergistically toxic with all other stressors, including many other carcinogens. Elimination
of Pb and its replacement with added benzene in gasoline appears to have increased the toxicity of atmospheric Cd. With scientific
understanding of the molecular basis of Cd's role in carcinogenesis and anti-carcinogenesis, primary cancer prevention can
be practiced by reducing Cd and chemical air pollution and educating the public on smoke cessation, healthy eating habits
and stress reduction. Using the existing information on Cd and its effects, determinations could be made on established cancers
so that individualized treatment protocols can be developed to improve patient care. 相似文献