492 research outputs found

    Activism and leadership development: Examining the relationship between college student activism involvement and socially responsible leadership capacity

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    The purpose of this study was to examine the relationship between participation in student activism and leadership development among college students. This study applied the social change model of leadership development (SCM) as the theoretical model used to measure socially responsible leadership capacity in students. The study utilized data collected from the Multi-Institutional Study of Leadership (MSL), a research project examining the influences of higher education on leadership development in college students across the country. The sample of 12,510 students consisted of respondents who participated in a sub-study on student activism within the MSL survey. Hierarchical multiple regression models were constructed to investigate the research question using an adapted version of Astin's (1991) I-E-O college impact model. Regression models included participant demographic characteristics, pre-college experiences, institutional descriptors, and consideration of select college experiences in examining the relationship between activism and leadership development. Results indicated that the regression models explained a significant amount of the variance in participant scores. Participation and holding a leadership position in on-campus and off-campus organizations, community service conducted on one's own, and participation in an internship emerged as significant predictors of socially responsible leadership capacity among the collegiate experiences included in the model. Participation in activism also emerged as significant, as awareness of local, national, and global issues indicated influence on all leadership development measures, and participating in protests, contacting public officials, signing a petition, and buying or not buying products due to personal views significantly contributed to measures of citizenship. These findings served to address the existing gap in the literature pertaining to the relationship of student activism and leadership development, and indicated the developmental and educational potential to providing these experiences for students on campus

    Literary Appreciation and the Reconfiguration of Understanding

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    Literary cognitivists claim that works of literature can have a significant cognitive value and can be effective in providing readers with opportunities for learning. Anti-cognitivists challenge cognitivists by questioning how literature can offer arguments or evidence for readers’ adoption of new knowledge or understanding. As a mode of side-stepping these objections, cognitivists have recently tended to make their claims more modest and claim only that literature clarifies knowledge readers already possess or provides the opportunity for the development of certain general cognitive skills. In this chapter, I put forward a more bold account of literature’s cognitive value. I argue that a reader’s engagement with a literary work can lead to reconfiguration of their understanding of the subject matter with which the work deals. This bolder defence of literature’s cognitive value, and the account I offer of how readers can access such cognitive value, indicate how literature can form a significant part of character education

    Aesthetic Understanding

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    In this paper, I introduce an account of aesthetic understanding. Recent discussions of aesthetic understanding have associated it with aesthetic justification and with understanding why, for example, a given object is aesthetically valuable. I introduce a notion of aesthetic understanding as a form of objectual understanding, which I refer to as ‘appreciative understanding’. Appreciative understanding is related to and partly constituted by an agent’s capacity to comprehend and experience an artwork holistically and to communicate effectively regarding its particular aesthetic character and value. I then argue for the understanding account of aesthetic judgement on which the paradigmatic form of aesthetic judgement is grounded on appreciative understanding. This argument partly consists in demonstrating how the understanding account can explain the autonomy of aesthetic judgement. In closing, I explore the potential of the understanding account to explain the structure of our appreciative practices. That is, I put forward the view that our appreciative practices are structured so as to promote appreciative understanding.486

    Aesthetic Communication

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    Can testimony provide reasons to believe some proposition about an artwork’s aesthetic character? Can testimony bring an agent into a position where they can issue an aesthetic judgement about that artwork? What is the epistemic value of aesthetic communication? These questions have received sustained philosophical attention. More fundamental questions about aesthetic communication have meanwhile been neglected. These latter questions concern the nature of aesthetic communication, the criteria that determine when aesthetic communication is successful, and the frequency of communicative success in aesthetic communication. The neglect of these questions is a serious oversight, not least because they bear directly on each of the other questions listed. This paper’s focus is the more fundamental set of questions. I argue for a restricted form of communicative pessimism. Discerning aesthetic communication about an artwork typically fails unless its recipient is both acquainted with that artwork and able to coordinate with the speaker on an aesthetic understanding of it. I arrive at this conclusion by challenging the standard conception of the nature of aesthetic communication that the literature presupposes, as well as an accompanying criterion of communicative success. I introduce an alternative view. In closing I relate my discussion to the former set of questions

    Nietzsche contra Schopenhauer on Art and Truth

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    Part of Plato’s complaint about the cognitive status of art cites the pollution of aesthetic cognition by the affective side of our natures. Schopenhauer, by contrast, takes aesthetic cognition to transcend (some of) the limitations of everyday cognition precisely because in it agents become the “pure, will-less subject of cognition” (WWR I 219). On the orthodox reading of his later philosophy, Nietzsche scorns Plato and Schopenhauer’s association of the value of art with its truthfulness. I challenge the orthodox reading and argue that one strand of art’s value is its penetrative cognitive power. In contrast to Schopenhauer, Nietzsche understands this cognitive power to result from the embracing and exploitation of the affects in the artistic process rather than their extirpation

    The invasive colonial ascidian Didemnum vexillum on Georges Bank - Ecological effects and genetic identification

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    Since the discovery of the invasive colonial tunicate Didemnum vexillum Kott, 2002 on Georges Bank in 2002, research has focused on investigating the spread of the tunicate invasion, evaluating its potential impact on the benthic community, identifying it to species level, and determining its region of origin. The percent cover of Didemnum vexillum, measured from bottom photographs, ranges from 0-100% in individual photos and between 0-79% when averaged within photo transects. Individual photos represent an area of the seabed measuring ~ 0.39 m2 while photo transects range from ~ 700-1000 meters in length. Hydroids are the second most abundant epifaunal taxon. The macrofauna identified in bottom photo analysis comprises 21 different taxa, of which burrowing and non-burrowing anemones are the most numerous. Our detailed analysis of bottom photographs suggests that Didemnum vexillum is able to out-compete other epifaunal and macrofaunal taxa. An Analysis of Similarity (ANOSIM) test on macrofauna abundance data collected with a Naturalist dredge from 1994 to 2006, indicates that Didemnum vexillum has had a significant impact on the species composition of the benthic community. The abundance of two polychaete species, Nereis zonata Malmgren, 1867 and Harmothoe extenuata Grube, 1840, increased significantly in infested areas compared with uninfested areas, according to two-way Analysis of Variance (ANOVA). We found four distinct nucleotide sequences of the 18s rDNA gene among 17 samples of Didemnum species, three from Georges Bank and one from New Zealand. Two of the Georges Bank sequences were identified as Didemnum albidum Verrill, 1871, a species native to the northeast United States. The third sequence represents the invasive Didemnum vexillum from Georges Bank, and the fourth sequence an undescribed species from New Zealand (not D. vexillum)

    Respect, Responsibility and Ruins

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    A person can appropriately manifest respect toward a world heritage ruin by developing a sensitive understanding of the ruin’s cultural and historical context and significance. In this paper, we link such respectful understanding to the question of the aesthetic appreciation of world heritage ruins. Our claim is that an aesthetic appreciation of a world heritage ruin qua world heritage ruin typically involves two things: first, the responsibility not to neglect the individuality of the object, and, second, a commitment to the idea that it is the object—respectfully conceived—which must be the focus of our appreciation

    Collimation and asymmetry of the hot blast wave from the recurrent nova V745 Scorpii

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    The recurrent symbiotic nova V745 Sco exploded on 2014 February 6 and was observed on February 22 and 23 by the Chandra X-ray Observatory Transmission Grating Spectrometers. By that time the supersoft source phase had already ended and Chandra spectra are consistent with emission from a hot, shock-heated circumstellar medium with temperatures exceeding 10^7K. X-ray line profiles are more sharply peaked than expected for a spherically-symmetric blast wave, with a full width at zero intensity of approximately 2400 km/s, a full width at half maximum of 1200 +/- 30 km/s and an average net blueshift of 165 +/- 10 km/s. The red wings of lines are increasingly absorbed toward longer wavelengths by material within the remnant. We conclude that the blast wave was sculpted by an aspherical circumstellar medium in which an equatorial density enhancement plays a role, as in earlier symbiotic nova explosions. Expansion of the dominant X-ray emitting material is aligned close to the plane of the sky and most consistent with an orbit seen close to face-on. Comparison of an analytical blast wave model with the X-ray spectra, Swift observations and near-infrared line widths indicates the explosion energy was approximately 10^43 erg, and confirms an ejected mass of approximately 10^-7 Msun. The total mass lost is an order of magnitude lower than the accreted mass required to have initiated the explosion, indicating the white dwarf is gaining mass and is a supernova Type 1a progenitor candidate.Comment: To appear in the Astrophysical Journa

    Aridification of Central Asia and uplift of the Altai and Hangay mountains, Mongolia: stable isotope evidence

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    Central Asia has become increasingly arid during the Cenozoic, though the mechanisms behind this aridification remain unresolved. Much attention has focused on the influence and uplift history of the Tibetan Plateau. However, the role of ranges linked to India-Asia convergence but well north of the Plateau—including the Altai, Sayan, and Hangay—in creating the arid climate of Central Asia is poorly understood. Today, these ranges create a prominent rain shadow, effectively separating the boreal forest to the north from the deserts of Central Asia. To explore the role of these mountains in modifying climate since the late Eocene, we measured carbon and oxygen stable isotopes in paleosol carbonates from three basins along a 650 km long transect at the northern edge of the Gobi Desert in Mongolia and in the lee of the Altai and Hangay mountains. We combine these data with modern air-parcel back-trajectory modeling to understand regional moisture transport pathways at each basin. In all basins, δ¹³C increases, with the largest increase in western Mongolia. The first δ¹³C increase occurs in central and southwestern Mongolia in the Oligocene. δ¹³C again increases from the upper Miocene to the Quaternary in western and southwestern Mongolia. We use a 1-D soil diffusion model to demonstrate that these δ¹³C increases are linked to declines in soil respiration driven by dramatic increases in aridity. Using modern-day empirical relations between mean annual precipitation and soil respiration, we estimate that precipitation has likely more than halved over the Neogene. Given the importance of the Hangay and Altai in steering moisture in Mongolia, we attribute these changes to differential surface uplift of the Hangay and Altai. Surface uplift in the Hangay began by the early Oligocene, blocking Siberian moisture and aridifying the northern Gobi. In contrast, surface uplift of the Altai began in the late Miocene, blocking moisture from reaching western Mongolia. Thus, the northern Gobi became increasingly arid east to west since the late Eocene, likely driven by orographic development in the Hangay during the Oligocene and the Altai in the late Miocene through Pliocene
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