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Comparison of the Effect of Major- Versus Minor-Keyed Music on Long-Term Declarative Memory in High School Students 大调与小调音乐对高中生长期陈述性记忆影响的比较
Pub Date : 2018-12-16 DOI: 10.14434/IUJUR.V4I1.24524
A. Sayar
This pilot study compared the effect of music played in major and minor keys on long-term declarative memory in high school students. Major and minor keys are pivotal theoretical distinctions in music known to trigger different emotional responses. While the influence of specific genres of music on memory have been studied, possible effects of the tonality of music have not been explored. It was hypothesized that music would improve LT-DM, and music played in the minor key would illicit a greater improvement than the major. A total of 21 volunteer high school students were equally randomized between two groups. Each group completed a control and an experimental long-term memory test. Tests comprised of a reading phase where students studied a standardized passage, and a multiple-choice question phase 7 days later, where their memory of the studied text was examined. The reading phase of the control test was conducted in a quiet environment. During the reading phase of the experimental test, a piece of piano music was played. The same music was played in the major key for one group and in the minor key for the other. Both groups demonstrated a statistically significant improvement in the experimental test compared to their own control (p = 0.0078, p = 0.0107). A trend towards better memory retention with the minor-keyed music was observed compared with the major key. The difference between the two groups of improvement with music, however, did not meet statistical significance (p = 0.31). A larger complementary study may provide more definitive information regarding comparative effects of major and minor musical keys on long-term memory.
本初步研究比较了大调和小调音乐对高中生长期陈述性记忆的影响。大调和小调是音乐中重要的理论区别,可以引发不同的情绪反应。虽然已经研究了特定音乐类型对记忆的影响,但尚未探索音乐调性的可能影响。假设音乐可以改善LT-DM,而小调音乐比大调音乐的改善更大。共有21名志愿高中生被随机分为两组。各组分别进行对照和实验长期记忆测试。测试包括阅读阶段,学生学习一篇标准化的文章,以及7天后的多项选择题阶段,在这个阶段,他们对所学习的文本进行记忆测试。对照试验的阅读阶段在安静的环境中进行。在实验测试的阅读阶段,播放了一段钢琴曲。一组用大调演奏同样的音乐,另一组用小调演奏。与对照组相比,两组在实验测试中均表现出统计学上显著的改善(p = 0.0078, p = 0.0107)。与大调音乐相比,小调音乐有更好的记忆保留趋势。然而,两组音乐改善的差异没有达到统计学意义(p = 0.31)。一个更大的补充研究可能会提供更明确的信息,关于大调和小调对长期记忆的比较影响。
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引用次数: 1
Sexual Dimorphism in the Gut Microbiome 肠道微生物组中的两性异形现象
Pub Date : 2018-12-16 DOI: 10.14434/IUJUR.V4I1.24491
Clarissa C. Ren, Kristyn E. Sylvia
The gut microbiome has received increasing interest in past years due to its link to many diseases and its potential in therapy. One often-overlooked and newer area of research is the sexual dimorphism in the gut microbiome, and how it relates to the sex differences in behavior, diseases, and the underlying makeup between that of males and females. Reviewing the literature has demonstrated that in several organisms, adult males and females do naturally have different compositions of gut microbes. Differences between the sexes in gut microbiome have also been correlated with differences between the sexes in social behavior and various disorders. A thorough understanding of sexual dimorphism in the gut microbiome is crucial to designing better studies, understanding the mechanism of the diseases and behaviors tied to the sexual dimorphism in the microbiome, and fine-tuning more precise treatments that account for the sex of the individual.
由于肠道微生物组与许多疾病的联系及其在治疗中的潜力,近年来人们对其越来越感兴趣。一个经常被忽视和更新的研究领域是肠道微生物组中的两性异形,以及它与行为、疾病的性别差异以及男性和女性之间的潜在构成之间的关系。回顾文献表明,在几种生物体中,成年雄性和雌性的肠道微生物组成自然不同。肠道微生物组的性别差异也与社会行为和各种疾病的性别差异有关。彻底了解肠道微生物组中的两性异形对于设计更好的研究、理解与微生物组中两性异形相关的疾病和行为的机制以及微调更精确的治疗方法至关重要,这些治疗方法可以解释个体的性别。
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引用次数: 4
The Effect of Whiteness and Attempts to Preserve It on Political Division in the United States 白人的影响及其对美国政治分裂的保护
Pub Date : 2018-12-16 DOI: 10.14434/IUJUR.V4I1.24172
Therin Alrik Showalter
Beginning in the early 1990s, the American public has become increasingly politically polarized. As party affiliations have become more rigid, a racial trend has emerged in which white voters are much less likely than black voters to identify as liberal or align with the Democratic Party. Using voting data from the 2016 presidential election, this study correlates the prevalence of whiteness in certain counties with those counties’ support for Democratic presidential candidate Hillary Clinton. This paper first details the increasing polarization over the past decades and the dramatic shift of white voters away from liberalism. It then analyzes the political affiliations of other identity groups (such as women, millennials, and college graduates) that are majority liberal and demonstrates that, when restricted to their white members, those groups all lean conservative. The research results find a significant correlation between concentrated whiteness and a rejection of Hillary Clinton. The correlation on a national level is weaker, however, than the correlation of counties when separated regionally, suggesting that the relationship between whiteness and anti-liberalism depends heavily on a county’s degree of whiteness (or anti-liberalism) in its geographical context. While it is impossible to determine whether the race of white voters consciously motivates their voting behavior, the results suggest that American democracy is informed, in some way, by the racial identities of its participants. These results should encourage the public to discuss the current political climate and its intensely divided electorate from a racial perspective. If the nation perceives political division as a problem to be solved, it is essential to understand what factors might be causing the division. To that end, the results of this study would be fundamental to the nation’s dialogue and should be considered when voters make their decision on Election Day. 
从20世纪90年代初开始,美国公众在政治上变得越来越两极化。随着党派关系变得更加僵化,出现了一种种族趋势,即白人选民比黑人选民更不可能认为自己是自由派或与民主党结盟。利用2016年总统大选的投票数据,这项研究将某些县的白人患病率与这些县对民主党总统候选人希拉里·克林顿的支持联系起来。本文首先详细介绍了过去几十年来日益加剧的两极分化,以及白人选民远离自由主义的戏剧性转变。然后,它分析了其他身份群体(如女性、千禧一代和大学毕业生)的政治派别,这些群体多数是自由主义者,并表明,当仅限于白人成员时,这些群体都倾向于保守。研究结果发现,白人集中与拒绝希拉里•克林顿(Hillary Clinton)之间存在显著相关性。然而,在国家层面上的相关性要弱于按地区分开的县之间的相关性,这表明白人和反自由主义之间的关系在很大程度上取决于一个县在其地理背景下的白人(或反自由主义)程度。虽然不可能确定白人选民的种族是否有意识地激发了他们的投票行为,但研究结果表明,在某种程度上,美国民主是由参与者的种族身份决定的。这些结果应该鼓励公众从种族的角度来讨论当前的政治气候和其严重分裂的选民。如果国家认为政治分裂是一个需要解决的问题,那么有必要了解造成这种分裂的原因。为此,这项研究的结果将是国家对话的基础,选民在选举日做出决定时应该考虑到这一点。
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引用次数: 0
Influence of Cognitive Engagement on Temptation and Decision Making 认知参与对诱惑和决策的影响
Pub Date : 2018-12-16 DOI: 10.14434/IUJUR.V4I1.24508
B. Hull
The purpose of this study is to determine students’ heightened susceptibility to temptation when cognitively engaged. Cognitively straining tasks require considerable focus, which inhibits the brain from the ability to effectively multi-task (Molfese et al., 2006). This may reduce the capacity for executive control during such engagement. This hypothesis was evaluated by offering participants an unhealthy (chocolate) or healthy (celery) food option during a memorization task (experimental group) or following a memorization task (control group). In the experimental group, students are cognitively engaged at the moment of the choice. This allows for the study to compare decision-making between the experimental and control group. Participants required to make a decision while actively participating in the memorization task chose the chocolate option significantly more often than participants who were offered the food after they had disengaged from the cognitive strain. This study could provide insight into how susceptible to temptation students are while under mental strain. It was hypothesized that as students are participating in a cognitively engaging task similar to studying, they will be more susceptible to choosing an unhealthy sugary snack rather than a healthier option. The data supported the idea that students who are cognitively engaged will be more susceptible to this temptation.
本研究的目的是确定学生在进行认知活动时对诱惑的易感性。认知紧张的任务需要相当大的注意力,这会抑制大脑有效地完成多项任务的能力(Molfese等人,2006)。这可能会降低这种参与期间的执行控制能力。这一假设是通过在记忆任务期间(实验组)或在记忆任务之后(对照组)为参与者提供不健康(巧克力)或健康(芹菜)的食物选项来评估的。在实验组中,学生在做出选择的那一刻就进行了认知参与。这使得研究能够比较实验组和对照组之间的决策。被要求在积极参与记忆任务的同时做出决定的参与者选择巧克力选项的频率明显高于在摆脱认知压力后提供食物的参与者。这项研究可以让我们深入了解学生在精神紧张的情况下是多么容易受到诱惑。有人假设,当学生参与类似于学习的认知参与任务时,他们更容易选择不健康的含糖零食,而不是更健康的选择。这些数据支持这样一种观点,即认知参与的学生更容易受到这种诱惑。
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引用次数: 0
Non-Stationarity in Stochastic Distributions of Cryptocurrency Returns 加密货币收益随机分布的非平稳性
Pub Date : 2018-12-16 DOI: 10.14434/iujur.v4i1.24543
Adam Wu
This paper uses a functional approach to analyze the distributions of weekly returns in Bitcoins on leading cryptocurrency exchanges. The results present strong evidence for non-stationarity, which suggests unpredictability and time-varying statistical properties. In addition, non-stationary fluctuations tend to be primarily concentrated in even moments, such as volatility and kurtosis—however their effect is significant and persistent in every moment, including higher moments. The analysis in this paper proposes that the Bitcoin market is maturing and tending towards stability, but retains a high degree of unpredictability in the case of random shocks due to underlying market dynamics.
本文使用函数方法分析了比特币在主要加密货币交易所的周收益分布。结果为非平稳性提供了强有力的证据,这表明不可预测性和时变的统计特性。此外,非平稳波动往往主要集中在偶数时刻,如波动率和峰度,但它们的影响在每个时刻都是显著和持续的,包括更高的时刻。本文的分析表明,比特币市场正在走向成熟并趋于稳定,但由于潜在的市场动态,在随机冲击的情况下,比特币市场仍具有高度的不可预测性。
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引用次数: 0
The Chilean Winter: A Student Revolution 智利的冬天:一场学生革命
Pub Date : 2018-12-16 DOI: 10.14434/IUJUR.V4I1.24207
S. Pickett
The 2011 Chilean Winter was a student movement that fought to end the rampant inequality found in the nation’s neoliberal education policies, which found their origins in the reforms enacted during the 1980s by Chilean dictator General Augusto Pinochet. In response to the nation’s economic crisis, he attempted to cut government spending by decentralizing and privatizing the education system. The results were largely unfavorable; Chilean education came to be known for its socioeconomic stratification, unequal schools, and its exorbitantly expensive universities. Despite the undoubtedly negative outcome of Pinochet’s policies, they remained relatively untouched until student movements in 2006 and 2011 began to challenge them. Although almost all of the issues that the 2011 Chilean Winter addressed were the result of Pinochet’s policies, it would be incorrect to claim that the students were protesting his reforms. Instead, the movement was a reaction to the failure of the nation’s post-dictatorship governments, the Concertación coalition and right-centrist presidency of Sebastián Piñera, to restructure Chile’s neoliberal education system despite its numerous problems. This work aims to disprove the erroneous view of many newspapers and academic journals that the student movement was caused directly by Pinochet’s policies. In other words, I wish to separate protest against the legacy of the Pinochet reforms—that is the current system—from protest against the reforms themselves. The work will be divided into two main sections. The first section will focus on demonstrating the lasting impact of Pinochet’s education programs, with a particular emphasis on statistical studies performed by other researchers. The second section will be devoted to analyzing the roots of the 2011 student movement. This part of the investigation will focus on rhetoric from the students themselves, especially movement leader Camila Vallejo.
2011年的智利冬季是一场学生运动,旨在结束智利新自由主义教育政策中猖獗的不平等现象。新自由主义教育政策起源于智利独裁者奥古斯托·皮诺切特将军(Augusto Pinochet)在上世纪80年代实施的改革。为了应对国家的经济危机,他试图通过分散和私有化教育系统来削减政府开支。结果基本上是不利的;智利的教育以社会经济分层、学校不平等和大学学费过高而闻名。尽管皮诺切特的政策无疑带来了负面的结果,但在2006年和2011年学生运动开始挑战这些政策之前,这些政策相对没有受到影响。尽管2011年智利冬季所解决的几乎所有问题都是皮诺切特政策的结果,但声称学生是在抗议他的改革是不正确的。相反,这场运动是对该国后独裁政府的失败的反应,Concertación联盟和右翼中间派总统Sebastián Piñera,尽管智利的新自由主义教育体系存在许多问题,但仍未能重组智利的教育体系。这项工作旨在反驳许多报纸和学术期刊的错误观点,即学生运动是由皮诺切特的政策直接引起的。换句话说,我希望把对皮诺切特改革遗产的抗议——也就是现行制度——与对改革本身的抗议区分开来。这项工作将分为两个主要部分。第一部分将重点展示皮诺切特教育计划的持久影响,特别强调其他研究人员进行的统计研究。第二部分将分析2011年学生运动的根源。这部分调查将集中在学生们自己的言论上,尤其是运动领袖卡米拉·巴列霍。
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引用次数: 0
Can the Machine Understand: An Evidence Based Approach to the Chinese Room 机器能理解吗:一种基于证据的中文室方法
Pub Date : 2018-12-16 DOI: 10.14434/IUJUR.V4I1.24547
Keiland W Cooper
The debate of a thinking machine continues on, especially in an era where machines are achieving tasks that we never thought possible. In this essay, I explore one of the most famous critiques of the thinking machine, Searle’s Chinese room, by breaking down his argument into two claims of varying scope. I then offer an alternative method to assess this argument, by employing a top down approach in contrast to Searles which seems to advance from the conclusion. I explore the current thinking on how the human brain may come to understand the world, as well as some of the aspects of these semantics. This is all in an effort to elucidate some the features necessary for machine understanding and to accurately assess whether a machine possesses them. I conclude that Searle may have been too quick to judge the abilities of computers, and that a claim that any digital computer cannot understand is much too strong. 
关于思考机器的争论仍在继续,尤其是在一个机器正在完成我们从未想过可能完成的任务的时代。在这篇文章中,我将探讨对思维机器最著名的批评之一——塞尔的中文房间,通过将他的论点分解为两个不同范围的主张。然后,我提供了另一种方法来评估这个论点,通过采用一种自上而下的方法,与Searles似乎从结论中推进的方法形成对比。我探讨了当前关于人类大脑如何理解世界的思考,以及这些语义的一些方面。这一切都是为了阐明机器理解所必需的一些特征,并准确地评估机器是否拥有这些特征。我的结论是,Searle对计算机能力的判断可能太快了,认为任何数字计算机都无法理解的说法太过强烈了。
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引用次数: 1
Increasing Awareness of Substance Abuse and Addictions: Does Early Childhood Drug Education Provide Diversion from Using Drugs and/or Alcohol? 提高对药物滥用和成瘾的认识:儿童早期药物教育是否能转移吸毒和/或酗酒的注意力?
Pub Date : 2018-12-16 DOI: 10.14434/iujur.v4i1.24553
M. Bailey, S. Wasson, B. Roberts
According to the National Institute on Drug Abuse, 70 percent of adolescents have experimented with alcohol, while 20 percent have experimented with prescription drugs before their senior year in high school. Alcohol and drug abuse has become a nationwide problem. A small rural community in southern Indiana reports that almost 12 percent of its population uses drugs daily. The authors hypothesize that current school-based alcohol and drug curriculums are not robust enough to divert risky behavior during adolescence. Surveys were administered to residents living in two separate transitional homes for people with addiction. The surveys consisted of questions regarding drug and alcohol abuse related to childhood education. The process was completed using a descriptive study. Participants in the study (n = 17) revealed valuable information confirming their rationales for substance abuse. Overwhelmingly, all participants agreed that drug education needs to be available in early childhood education. As substance abuse escalates, so must our efforts to research and understand the problem. The examination of current adolescent drug and alcohol prevention programs isessential to help promote program evaluation and in identifying potential education needs for our youth.
根据美国国家药物滥用研究所的数据,70%的青少年曾尝试过酒精,而20%的青少年在高中四年级之前曾尝试过处方药。酗酒和吸毒已成为一个全国性的问题。印第安纳州南部的一个小型农村社区报告称,其近12%的人口每天使用毒品。作者假设,目前以学校为基础的酒精和毒品课程不够健全,无法转移青春期的危险行为。对居住在两个独立的戒毒过渡家庭的居民进行了调查。调查包括与儿童教育有关的吸毒和酗酒问题。该过程是通过描述性研究完成的。该研究的参与者(n=17)透露了有价值的信息,证实了他们滥用药物的理由。绝大多数与会者都同意,儿童早期教育需要提供毒品教育。随着药物滥用的升级,我们必须努力研究和理解这个问题。对当前青少年毒品和酒精预防计划的审查对于促进计划评估和确定我们青少年的潜在教育需求至关重要。
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引用次数: 0
One-for-One Companies: Helpful or Harmful? 一对一公司:有益还是有害?
Pub Date : 2018-12-16 DOI: 10.14434/iujur.v4i1.24398
Grace A. Taylor
One-for-one companies, such as TOMS and Warby Parker, have become a common occurrence in the marketplace. These companies promise to donate a good or service for every product purchased. To date, millions of products have been donated worldwide. This paper seeks to analyze the positive and negative impacts of the one-for-one model on both the one-for-one company and the people receiving product donations. A specific focus of the paper is to determine whether the one-for-one model is helpful or harmful to companies and beneficiaries. To gather information, I contacted sixteen one-for-one companies and asked for reports, gathered preliminary research completed by news outlets such as Forbes and the New York Times, and analyzed academic research. The study finds that the one-for-one model can be both helpful and harmful, depending on the conditions in which the giving is done. For example, if there is an immediate need for a good that cannot be produced in the beneficiary country, then a donation would be beneficial. However, if a donation such as shoes ultimately takes away jobs and reduces the market in the beneficiary country, then it causes more harm and long-term damage than it prevents. As this model becomes more common, it is important that consumers know the impact of their purchases on the beneficiaries and the companies know the benefits and repercussions of their actions.
一对一的公司,如TOMS和Warby Parker,已经成为市场上常见的事情。这些公司承诺为购买的每一件产品捐赠商品或服务。迄今为止,全球已捐赠了数百万件产品。本文试图分析一对一模式对一公司和接受产品捐赠的人的积极和消极影响。本文的一个具体重点是确定一对一模式对公司和受益人是有益还是有害。为了收集信息,我联系了16家一对一的公司,要求提供报告,收集了《福布斯》和《纽约时报》等新闻媒体完成的初步研究,并分析了学术研究。研究发现,一对一的模式既有帮助,也有有害,这取决于捐赠的条件。例如,如果急需一种无法在受惠国生产的商品,那么捐赠将是有益的。然而,如果像鞋子这样的捐赠最终夺走了受益国的就业机会并减少了市场,那么它所造成的伤害和长期损害就比它所预防的要大。随着这种模式越来越普遍,重要的是消费者要知道他们的购买对受益人的影响,公司也要知道他们行为的好处和影响。
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引用次数: 2
"Ewondo in the Classes, French for the Masses" “Ewondo在课堂上,法语为大众”
Pub Date : 2018-12-16 DOI: 10.14434/iujur.v4i1.24507
Parker Henry
Cameroon is home to over two hundred eighty native languages coming from three language families, making it one of the most linguistically diverse countries on Earth. Despite this, native languages hold very few domains in Cameroonian society. In recent years, several experimental programs have begun to implement native languages in schools, citing that children learn best in their mother tongue. Among these schools is ELAN-Afrique, an initiative put forth by La Francophonie with the main aim of helping students better learn French by way of their mother tongue. This paper seeks to differentiate the benefits prescribed or expected by ELAN leadership from the actual benefits occurring at one Ewondo-medium ELAN school in Yaoundé. The study includes a series of twenty interviews with program leadership, linguists, and NGOs, as well as teachers and parents of students enrolled in the program. Claims made in interviews were then validated or refuted by classroom observation. The program’s main flaw is the assumption that the students’ mother tongue is Ewondo when in reality, due to their urban upbringing, the students’ mother tongue is French. This causes the reality of the program to differ fundamentally from the expectations of La Francophonie as some predicted benefits are negated, some manifest differently than expected, and other benefits appear never having been predicted.
喀麦隆有来自三个语系的二百八十多种母语,是地球上语言多样性最强的国家之一。尽管如此,母语在喀麦隆社会中占据的领域很少。近年来,一些实验项目已经开始在学校实施母语,理由是孩子们用母语学习得最好。在这些学校中,有ELAN Afrique,这是法语国家组织提出的一项倡议,主要目的是帮助学生通过母语更好地学习法语。本文试图将ELAN领导层规定或期望的福利与雅温得一所Ewondo中等ELAN学校的实际福利区分开来。这项研究包括对项目领导、语言学家和非政府组织,以及参加该项目的教师和学生家长的20次采访。然后通过课堂观察来验证或反驳访谈中的说法。该项目的主要缺陷是假设学生的母语是埃旺多语,而事实上,由于他们在城市长大,学生的母语为法语。这导致该计划的现实与法语国家组织的预期存在根本性差异,因为一些预测的好处被否定,一些表现得与预期不同,而其他好处似乎从未被预测过。
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引用次数: 1
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Indiana University journal of undergraduate research
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