首都互联网产业经济效应分析

本文揭示了互联网产业产生经济效应的内在机理及其对于经济增长的影响,结合相关的统计数据,分析论证了北京市互联网产业对于整个首都经济的带动作用。     

Parenting children with autism spectrum disorders: a crucible for couple relationships

As the incidence of autism spectrum disorders (ASDs) continues to rise, there is a growing need to understand how ASDs impact family life. This qualitative study explored the ways in which parenting a child with ASD impacts marriages. Using modified grounded theory, nine couples and one wife (n= 19) were interviewed. The dominant finding that emerged is that parenting a child with ASD acts as a crucible for couple relationships, exerting extraordinary pressure on partners that forces qualitative adaptations in their relationship. Two relationship phases emerged from the analysis: tag team and deeper intimacy and commitment. The resulting theoretical model can help clinicians tailor assessment and intervention for couples who are parenting a child with ASD.     

Assessing PTSD and resilience for females who during childhood were exposed to domestic violence

This study examined 68 females, who as children were exposed to domestic violence, to explore childhood risk and protective factors and their relationship to adult levels of post‐traumatic stress disorder (PTSD) and resilience. Independent sample t‐tests indicated significant differences in PTSD levels between participants with and without police involvement during childhood. There were also significant differences in PTSD levels between participants who reported their mothers had mental‐health problems with those who did not. Additionally, participants whose mothers had full‐time steady employment had significantly higher resilience than those with mothers who did not work or worked inconsistently. Implications include advancing ecological theory and conceptual insights regarding childhood risk and protective factors and their association to adult psychological distress and hardiness for daughters exposed to their mothers' intimate partner violence.     

网络文化对高校校园文化的影响——基于结构方程模型的分析

针对目前高校网络迅速发展的现状,在大量问卷调查的基础上,利用结构方程模型分析了网络文化对高校校园文化的影响。选择网络文化与高校校园文化为潜变量,网络意识文化、网络制度文化、网络物质文化、校园精神文化、校园物质文化为可测变量。通过对各可测变量之间的关系进行统计分析,得出网络文化能够对高校校园文化产生重要影响的结论,为促进网络文化与校园文化的共同发展提供了理论依据。     

Bayesian identification of double seasonal autoregressive time series models

ABSTRACT

Seasonal autoregressive (SAR) models have been modified and extended to model high frequency time series characterized by exhibiting double seasonal patterns. Some researchers have introduced Bayesian inference for double seasonal autoregressive (DSAR) models; however, none has tackled the problem of Bayesian identification of DSAR models. Therefore, in order to fill this gap, we present a Bayesian methodology to identify the order of DSAR models. Assuming the model errors are normally distributed and using three priors, i.e. natural conjugate, g, and Jeffreys’ priors, on the model parameters, we derive the joint posterior mass function of the model order in a closed-form. Accordingly, the posterior mass function can be investigated and the best order of DSAR model is chosen as a value with the highest posterior probability for the time series being analyzed. We evaluate the proposed Bayesian methodology using simulation study, and we then apply it to real-world hourly internet amount of traffic dataset.     

我国经济型酒店网络营销渠道研究

经济型酒店经十几年扩张后,目前陷入规模日益扩大但效益每况愈下的怪圈中。网络营销方式因其低成本、高效、方便快捷等优势与经济型酒店的经营理念相适应,被作为突破怪圈的途径之一。然而,在搜索引擎上输入关键字“经济型酒店预订”对网络营销渠道现状的调查研究中发现:目前经济型酒店虽有自有网站,但其营销作用非常有限。其原因有经济型酒店对网络直销不重视,但网络代理商的强势营销也不容忽视,因此经济型酒店需重视网络直销,充分利用信息技术,打造智慧酒店。     

网络教育资源整合与学生创新能力的培养

学生创新能力的培养是当前教育改革关注的主要内容之一,网络教育资源建设和运用是教育信息化建设的重要组成部分。通过网络教育资源整合来培养学生的创新能力是当前基础教育中迫切需要解决的问题。本研究从目前中学生创新能力培养的现状切入,构建了有利于学生创新能力培养的网络教育资源整合模式,并将这一模式运用于中学网络教学实践之中,经过评价分析,验证了该模式的实践价值。     

互联网垃圾邮件传播行为研究

文章从传播学的角度分析了垃圾邮件现象,认为目前垃圾邮件盛行的主要原因在于互联网传播行为本身的特征,提出通过提高传播成本,运用法律手段、技术手段,加强ISP的把关作用等途径来控制垃圾邮件在互联网的传播。     

Teaching a chance course

We read in our daily newspapers and see on television reports on issues that use probability and statistics such as: the use of DNA fingerprinting in the courts, testing for aids, the interpretation of economic indicators, polls, medical trials etc. We describe a course called Chance whose aim is to teach the basic concepts of probability and statistics in the context of current issues and to make students better able to interpret and critically analyze what they read in the news about issues that affect their daily lives     

浅析如何提高高校学报的审稿效率

高校学报发稿周期较长,会影响作者创作的积极性。笔者认为其中一个重要原因是审稿时间太长,审稿效率亟待提高。本文结合编辑工作实践,探讨了学报审稿过程中的问题,针对性地提出了一些措施,从组建高质量的专家库、明确专家职责、利用网络等几个方面,阐述了如何提高高校学报的审稿效率。