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51.
Lorenzo Garcia 《Multicultural Perspectives》2013,15(2):20-24
In this study, I examine the perspectives of preservice teachers enrolled in a multicultural education course at a large predominately White Midwestern university. Past research on the development of multicultural attitudes and knowledge of White preservice teachers is inconclusive. In an effort to examine the multicultural perspectives of preservice teachers, 13 prospective teachers enrolled in required semester-long multicultural education courses were regularly interviewed and observed. Results of the study indicate that preservice teacher perspectives toward diversity were influenced by their social and educational histories; popular culture, such as the news media and movies; and the traditional structure of the teacher education program. The single course had minimal impact on their perspectives. Recommendations include infusing a multicultural perspective throughout the teacher education program and the development of collaborations between the program and culturally diverse schools. 相似文献
52.
Chiara Zoppirolli Lorenzo Bortolan Federico Schena Barbara Pellegrini 《Journal of sports sciences》2020,38(8):863-872
ABSTRACTWe aimed to evaluate the changes in double poling (DP) kinematics due to a long-distance cross-country skiing race in athletes with different performance levels. A total of 100 cross-country skiers, belonging to 10 different performance groups, were filmed on flat terrain 7 and 55 km after the start line, during a 58-km classical race. Cycle velocity, frequency and length decreased from the best to the lower-ranked group, while duty cycle increased (all P <.001). Between track sections, cycle velocity and length decreased, duty cycles increased (all P <.001) while frequency was unaltered (P =.782). Group*section interactions resulted for cycle velocity (P =.005). Considering all the participants together, % change in cycle velocity between sections correlated with % change in length and duty cycle (all P <.001). Thus i) skiers in better groups showed longer and more frequent cycles as well as shorter duty cycles than skiers in slower groups; ii) throughout the race all the groups maintained the same cycle frequency while decreasing cycle velocity and length; iii) better groups showed a lower reduction in cycle velocity. Individually, a low reduction in cycle velocity during the race related to the capacity to maintain long cycles and short duty cycles. 相似文献
53.
Lorenzo DuBois Baber 《Community College Journal of Research & Practice》2013,37(12):1097-1111
The lack of postsecondary success for African American males has garnered significant attention from academic scholars and public policy leaders. While this scholarship provides a strong portrait on issues related to African American males, there are still significant gaps to be addressed. Most notably, current research tends to focus on students entering four-year institutions and rarely presents student narratives about their educational experiences. The purpose of this study is to explore the experiences of African American males in various stages of transition from high school to their local community college. Students discuss three main areas—encouragement for their postsecondary aspirations, assistance with navigating multiple pathways to access, and persisting through stereotypes and perceived barriers. Discussion connects findings with theoretical frameworks to enhance our understanding of the experiences of this traditionally marginalized population. 相似文献
54.
Lorenzo L. Esters Christine Johnson McPhail Robert P. Singh John J. “Ski” Sygielski 《Tertiary Education and Management》2013,19(4):345-370
This study examined the entrepreneurial, nontraditional fundraising behaviors and activities of 23 community college presidents using interview and survey data. The institutional characteristics that facilitate entrepreneurial action and how presidents are raising these new revenues were explored. “Best practices” and implications for future research and practice are provided. The results of this analysis revealed meaningful information that is beneficial for community college presidents seeking to transform their colleges through entrepreneurial leadership. These findings indicate entrepreneurial presidents do exist and their practices can be identified. The findings also indicate that presidents' engagement in certain specific entrepreneurial practices do result in increased nontraditional funding secured. A summary of these key findings may be used as a guide for current and future community college leaders who desire to become more entrepreneurial. 相似文献
55.
This article deals with the determinants of artistic innovation by arts organizations. First, we define artistic innovation. Second, we review the literature on its determinants, identifying some gaps. In particular, we observe that existing research mostly focuses on macro-environmental factors and tends to ignore the role of the organizations themselves. Thus, drawing from the organizational literature on innovation we formulate testable propositions that relate organizational factors to artistic innovation. We hope that our focus on organizational factors contributes to a more comprehensive framework on the determinants of artistic innovation in particular and programming in general. 相似文献
56.
The Scuola Grande di San Marco is one of the most outstanding Renaissance buildings in Venice. Destroyed by fire in 1485, the Scuola was reconstructed between 1487 and 1495 by Pietro Lombardi (and sons), together with Giovanni Buora and Mauro Codussi. The façade is considered one of the finest and most original exteriors of Venetian buildings and in particular features refined sculptural and painted decorations and a remarkable pictorial effect created by the extensive use of polychrome marbles and the false perspective view between the pilasters of the lower order. Most of the stone materials (Istrian and Verona red limestones, nero di Roveré, pavonazzetto toscano, Carrara marble and various reused antique marbles) present evident decay phenomena such as scaling, exfoliation, powdering, fissuring, salt efflorescence, black crusts, and artificial patinas of various kinds. The present study reports the results of petrographic and chemical laboratory analyses carried out in preparation for the conservation treatment of the building, in order to characterize the main micro- and macro-morphologies of decay and to identify the causes and mechanisms of deterioration as well as the nature and application technique of the polychromy, gilding, and patinas present on parts of the monumental Renaissance façade. 相似文献
57.
Lorenzo Moreno Evelio González Leopoldo Acosta Jonay Toledo Nicolás Marichal Alberto Hamilton 《European Journal of Engineering Education》2005,30(3):353-361
This paper presents a teaching strategy of the scheduling and developmental phase of an Industrial Engineering computer project. It is based on a real project which has been carried out by our department in collaboration with a local company. The classroom setting provides an environment where students can experience firsthand all phases of the development of an electronic product: design, development and implementation of a prototype board to the final commercial product. 相似文献
58.
Giusti M Melle G Fenocchio M Mortara L Cecoli F Caorsi V Ferone D Minuto F Rasore E 《Journal of Zhejiang University. Science. B》2011,12(3):163-173
Differentiated thyroid carcinoma (DTC) generally has a favorable outcome. Thyroid disease, treatments, stress, and comorbidity
can compromise health-related quality of life (QoL) and indirectly weigh upon the outcome. From 2004 to 2008, we evaluated
QoL longitudinally in 128 DTC subjects. During scheduled examinations, subjects were asked to undergo a semi-structured psychiatric
interview and five rated inventories. The same examination was conducted in 219 subjects after surgery for benign thyroid
pathology. Low scores represent a better QoL. DTC and control subjects were similar in terms of age, male/female ratio, concomitant
psychopharmacological treatments, and frequency of psychiatric diseases. In DTC subjects, Billewicz scale (BS) scores showed
an increasing trend over time, especially among females. The ad hoc thyroid questionnaire (TQ) scores were similar in both
groups and did not change over time, but at the end of the study ad hoc TQ and BS were significantly related. Ad hoc TQ scores
were also related to age on entry to the study. In both male and female DTC subjects, Hamilton’s tests for anxiety (HAM-A),
but not for depression (HAM-D), showed an improving trend. At the end of the study, HAM-A and HAM-D scores were comparable
to those of the control group. HAM-A and HAM-D were both positively correlated with the stage of cancer and the time between
diagnosis and treatment. Only HAM-D correlated with age on entry to the study. Kellner symptom questionnaire (KSQ) item scores
were higher in DTC subjects than in controls. The change over time in the items including anxiety, somatization, depression,
and hostility was significant. Somatization and hostility were more significantly reduced in DTC females than in DTC males.
Hostility scores were significantly lower in DTC subjects than in controls at the end of the study. Somatization and depression
were significantly related to staging on diagnosis and age on entry to the study. Our study confirms a wide variation of illness
perception in DTC subjects, which is generally unrelated to the favorable clinical follow-up of the disease. Psychological
evaluation during long-term follow-up improved QoL scores, which reached the same levels noted in subjects with a history
of thyroid surgery for benign thyroid pathology. Our data indicate that special attention should be paid to QoL in older DTC
subjects and those with more severe staging on diagnosis. 相似文献
59.
Kim Chwee Daniel Tan Keith S. Taber Xiufeng Liu Richard K. Coll Mercedes Lorenzo Jia Li 《International Journal of Science Education》2013,35(2):263-283
Previous studies have indicated that A‐level students in the UK and Singapore have difficulty learning the topic of ionisation energy. A two‐tier multiple‐choice instrument developed in Singapore in an earlier study, the Ionisation Energy Diagnostic Instrument, was administered to A‐level students in the UK, advanced placement high school students in the USA, and first‐year university students in China, New Zealand, and Spain to determine whether the students from different countries and educational systems had similar conceptions and difficulties as the students in Singapore with the concepts assessed in the instrument. The results showed that, in general, the students in all six samples had similar alternative conceptions, which were grouped under the categories of octet rule framework, stable fully‐filled and half‐filled subshell conceptions, and conservation of force thinking. The students also resorted to relation‐based thinking when answering items involving the trend of ionisation energies across Period 3. Implications for teaching and further research are discussed. 相似文献
60.
Maria Salta Lorenzo Capretto Dario Carugo Julian A. Wharton Keith R. Stokes 《Biomicrofluidics》2013,7(6)
In the current study, we have developed and fabricated a novel lab-on-a-chip device for the investigation of biofilm responses, such as attachment kinetics and initial biofilm formation, to different hydrodynamic conditions. The microfluidic flow channels are designed using computational fluid dynamic simulations so as to have a pre-defined, homogeneous wall shear stress in the channels, ranging from 0.03 to 4.30 Pa, which are relevant to in-service conditions on a ship hull, as well as other man-made marine platforms. Temporal variations of biofilm formation in the microfluidic device were assessed using time-lapse microscopy, nucleic acid staining, and confocal laser scanning microscopy (CLSM). Differences in attachment kinetics were observed with increasing shear stress, i.e., with increasing shear stress there appeared to be a delay in bacterial attachment, i.e., at 55, 120, 150, and 155 min for 0.03, 0.60, 2.15, and 4.30 Pa, respectively. CLSM confirmed marked variations in colony architecture, i.e.,: (i) lower shear stresses resulted in biofilms with distinctive morphologies mainly characterised by mushroom-like structures, interstitial channels, and internal voids, and (ii) for the higher shear stresses compact clusters with large interspaces between them were formed. The key advantage of the developed microfluidic device is the combination of three architectural features in one device, i.e., an open-system design, channel replication, and multiple fully developed shear stresses. 相似文献