Journal: Penn McNair Research Journal
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McNair Scholars participate in research training and scholarly experiences through the four modules and other related activities, which include performing research under the guidance of a faculty mentor, and attendance at professional meetings and national conferences. Penn McNair Research Program students should complete this Author Agreement: http://repository.upenn.edu/mcnair_scholars/McNair_Author.pdf and submit it with their thesis. Once received, the electronic version of the thesis will then be uploaded onto this site.
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Publication The Relationship between Parental Educational Attainment and Perceived Racial Discrimination among African-American Female Adolescents(2010-11-17) Medina, Sheyla P.; Lewis, Valerie; Pati, SusmitaBackground: Perceived racial discrimination acts as a considerable stressor for African- Americans and is associated with adverse health outcomes among adults and adolescents. The relationship between perceived discrimination and socioeconomic dimensions has been studied among adult African-American populations to assess the role of social patterning in reports of discrimination. However, less is known about the relationship between parental educational attainment and adolescents’ perceived discrimination. Methods: We explored the relationship between parental educational attainment and adolescents’ reports of racial discrimination using written surveys from 135 African-American female adolescents seeking family planning services at an urban hospital-based adolescent clinic in Pennsylvania. Dimensions of perceived discrimination that were captured in this study included personal experiences, vicarious racial discrimination, and perceived discrimination against African-Americans as a group. Parental educational attainment was categorized as “some or completed high school/GED” and “some or completed college.” To account for missing parental education data, a sensitivity analysis was performed in which missing data were recoded into parental education categories and used in chi-square cross tabulations. Results: Most of the sample (mean age = 17.04; SD = 1.33) had completed high school or were currently enrolled in school, and were living in single-parent homes. Close to half (41.5%) of respondents did not know their father’s educational attainment, and 17.8% did not know their mother’s educational attainment. To account for missing education data, a sensitivity analysis was performed, which revealed no significant association between parental educational attainment and adolescents’ perceived discrimination. However, although the respondents in our study do not appear to experience frequent discrimination, 85.9% reported at least one dimension of discrimination measured in this study. Conclusions: The large percentage of African-American female adolescents who reported at least one dimension of discrimination implies an added burden and vulnerability to social stressors in their life.Publication Bilingual Education in California: Is It Working?(2007-11-16) Trujillo, MonicaThe topic of bilingual education has received heightened attention over the past few decades. How to educate children with limited English skills, or English learners (EL), is a highly controversial and debatable issue that deserves attention because of the vast numbers of English learners in the United States today. ELs are students for whom English is a second language and who come from homes in which a language other than English is spoken. Currently, there are about 5.5 million ELs in U.S. public schools (U.S. Department of Education, 2004). Their numbers have been growing dramatically over the past few decades, making them one of the fastest-growing student populations in the United States (Slavin & Cheung, 2004, p. 52). For example, from 1980 to 2000 the EL population doubled from 6 percent to 12 percent in the United States (Morse, 2002). Of this population, the majority of students are Spanish speakers (79%). This makes bilingual education largely a Latino issue.Publication Wind Power: Harnessing History to Meet the Energy Demand(2011-12-16) Sholler, DanielFive miles from the shore of Mashpee, Cape Cod, rays of sun reflect off the rolling ocean back into the Massachusetts atmosphere. A powerful and quiet 25-knot wind ripples the small waves over Horseshoe Shoal, home to Nantucket Sound‘s most valuable wind resource site. For over 10 years, a battle has been waged by Cape Wind, a private company under New England energy developers Energy Management Inc., over the construction of America‘s first offshore wind farm on these waters. Strict environmental permitting, objections from individuals concerned about sound and visual pollution, and difficult financial conditions have each played a major role in preventing construction from getting under way.Publication Parent-Nominated Symptoms as an Outcome Measure in Autism Intervention Research(2010-11-17) Dabel, VanessaPublication Beyond Sound Bites, Stereotypes, and Blame-Placing: A Historical Analysis of the Interethnic Violence at South Philadelphia High School(2011-12-16) Nelson, Nichole―Asian students say black students routinely pelt them with food, beat, punch and kick them in school hallways and bathrooms, and hurl racial epithets….‖1 This quote from the January 22, 2010, edition of USA Today describes Asian students’ account of their experience with violence and harassment at the hands of a group of predominantly African-American students at South Philadelphia High School. Various media outlets reported that a group of primarily African-American students attacked approximately 30 Asian students in the high school lunchroom. Subsequently, Asian students boycotted the school for more than a week and returned to school on December 16, 2009. Shortly thereafter, the School Reform Commission began hearings to investigate the series of events and hear the Asian students’ testimonies.Publication The European Union's Eastern Neighborhood: The Eastern Partnership as a Strategy of EU Engagement and Security(2010-11-17) Walski, KrzysztofPublication Home Language Use and Hispanic Academic Achievement: Evidence from Texas High Schools(2007-12-18) Hernandez, CarlosHispanics, the nation’s largest ethnic minority, are largely characterized by their low levels of education and Spanish-speaking backgrounds. In 1989, 96% of Hispanic school-aged children lived in homes where Spanish is spoken at home. Because many Hispanics speak Spanish at home, this study seeks to explore the association between foreign language use at home and academic achievement. Using data from the Texas Higher Education Opportunity Project, preliminary cross-tabulations find that home language use does not sufficiently explain academic achievement patterns across race/ethnic groups. However, a strong correlation is shown between parental academic background and academic success. Bivariate analyses find that Hispanics who have at least one parent with a college education will perform significantly better and narrow achievement gaps between Hispanics and Whites and Asians.Publication Influence of Climate on Malaria in China(2011-12-16) An, GraceMalaria is the fifth leading cause of death from infectious diseases worldwide, after respiratory infections, HIV/AIDS, diarrheal diseases, and tuberculosis. With half the world’s population living in areas at risk of malaria transmission, it remains a public health issue in many countries, including China. To understand the epidemiology of the disease, it is important to study the climate and environmental factors such as temperature, precipitation, relative humidity, and altitude, because these factors influence the life cycles and development of both the malaria parasite and mosquito vector. Global warming and climate change can increase the areas at risk of malaria incidence and affect transmission rates. As temperatures get warmer, incubation periods for the parasite and mosquito development can shorten, and malaria transmission can occur at higher elevations, infecting populations that have not been exposed to the disease. While control measures and efforts have been undertaken to eliminate malaria in China, the disease still exists in concentrated areas. Changes in temperatures and rainfall could reverse control efforts if the disease spreads from the seven provinces in which it has been concentrated.Publication Fast Rhythmic Bursting Cells: The Horizontal Fiber System in the Cat’s Primary Visual Cortex(2007-11-14) Lee, JinOne of the cellular mechanisms underlying the generation of gamma oscillations is a type of cortical pyramidal neuron named fast rhythmic bursting (FRB) cells. After 58 cells from 21 cats' primary visual cortices were filled with Neurobiotin, the brains were cut, and the cells were photographed. From all cells, 1 non-pyramidal and 4 pyramidal cell (3 regular spiking (RS) cells & 1 FRB cell) were confocaled, reconstructed with Neurolucida, and analyzed with NeuroExplorer. All 5 cells showed a linear correlation (>0.94) between length and number of intersections. Their polar histograms indicated that the FRB cell has triple dendritic length, twice the number of dendritic tree orders and mean length compared to the 4 other cells. We propose that FRB cells are key elements of the horizontal fiber system that links cell populations with similar feature selections throughout the primary visual cortex.Publication The Ecological Sensibility of New Yorkers: A Survey Conducted July–August 2010 in New York’s Central Park(2011-12-16) Guerin, AyashaNew Yorkers are estimated to have some of the smallest ecological footprints in America, as the urban landscape of Manhattan has proven to be one of the best energy-saving devices for its overcrowded population. However, the ecological footprint index does not gather information about individuals’ ecological sensibility, which many eco-critics have argued has an important influence on an individual’s environmental impact. This study set out to investigate the ecological sensibility of Manhattan’s urban dwellers with a survey that questions participants’ consumption behavior, understanding of waste and resource sites, perceptions of environmental impact, and understanding of the word ―sustainability.‖ Results suggest the prevalence of some environmentally responsible behaviors versus others, ignorance as to the locations of waste and resource sites, and more individual concern than guilt about the current state of the environment. Finally, study results suggest that there is no generally understood definition of sustainability among New Yorkers.