丹丘子——仙家道人之通称

丹丘、丹丘山、丹丘子、丹丘生、丹丘羽人……是古诗文和道家文献经常提到的,尤其是被誉为茶圣的唐代隐士陆羽(733-804),先后四次在<茶经>和<顾渚山记>中引述<神异记>提及丹丘子,余姚人虞洪遇丹丘子获大茗的故事因此广为茶人熟知.专家、学者对丹丘子各有见解,有些则明显有误.综合多种文献,笔者以为丹丘子是众多仙家道人的通称或别号.     

技术批判理论的理论基础和发展趋势——安德鲁·费恩伯格教授访谈录

费恩伯格(Andrew Lewis Feenberg)是加拿大西蒙·弗雷泽大学信息与传媒学院教授、技术哲学研究会主席,当代西方有代表性的技术批判理论家,曾师从西方马克思主义者戈德曼、马尔库塞.著有<马克思、卢卡奇和批判理论的来源>、<技术批判理论>、<可选择的现代性>、<追问技术>、<海德格尔和马尔库塞:技术的大灾难和大拯救>等多部著作,编辑出版了<技术与知识政治学>、<技术与现代性>等,发表论文几十篇.     

Why are there eccentricity effects in visual search? Visual and attentional hypotheses

In standard visual search experiments, observers search for a target item among distracting items. The locations of target items are generally random within the display and ignored as a factor in data analysis. Previous work has shown that targets presented near fixation are, in fact, found more efficiently than are targets presented at more peripheral locations. This paper proposes that the primary cause of this “eccentricity effect” (Carrasco, Evert, Chang, & Katz, 1995) is an attentional bias that allocates attention preferentially to central items. The first four experiments dealt with the possibility that visual, and not attentional, factors underlie the eccentricity effect. They showed that the eccentricity effect cannot be accounted for by the peripheral reduction in visual sensitivity, peripheral crowding, or cortical magnification. Experiment 5 tested the attention allocation model and also showed that RT X set size effects can be independent of eccentricity effects. Experiment 6 showed that the effective set size in a search task depends, in part, on the eccentricity of the target because observers search from fixation outward.     

分散空间注意条件下客体特征一致性对视觉特征错觉性结合的影响

本研究通过设置对空间注意资源的分配实施强行操作的情形下,探讨了主、次作业客体形状一致性和次作业客体间距对乏空间注意区次作业客体颜色、形状特征的检测及对特征错觉性结合的影响。实验结果表明：（１）分散空间注意使次作业区域注意减弱,对客体及其颜色和形状特征的识别均产生明显影响．而且对形状的影响又大于颜色;（２）特征错觉性结合率,主、次作业客体形状一致时比客体形状不一致时明显增大;（３）次作业客体间距对特征错觉性结合率无明显影响,但客体形状一致性和客体间距之间存在明显交互作用．     

Predictors of media multitasking in Chinese adolescents

We examined predictors of media multitasking in Chinese adolescents from 3 contexts: characteristics of the media user, types of media use and family media contexts. Three hundred and twenty adolescents, 11–18 years of age, completed questionnaires to measure media use, impulsivity, sensation seeking, time management disposition and family media environment. The results showed that media multitasking was positively correlated with age and total media use time. Participants with high levels of impulsivity and sensation seeking reported more multitasking behaviour. Multitasking was negatively correlated with time management. Children from media‐oriented families often engage in more multitasking. What's more, social networking sites use and music use can mediate the effect of individual and family factors on media multitasking.     

Family Formation and Returning to Institutional Religion in Young Adulthood

Institutional religious involvement wanes during young adulthood, but evidence suggests life‐course factors such as family formation bring people back to religion. Using the National Longitudinal Study of Adolescent to Adult Health (Waves 1, 3, and 4), we examine how often young adults who were involved in institutional religion as adolescents return—measured by religious service attendance and religious affiliation—after leaving in emerging adulthood, and how this return is patterned by family formation. The majority of young adults who leave do not return to regular religious service attendance, regardless of their family formation. But single parents, married parents, and childless married individuals are more likely, and childless cohabiting couples less likely, to return to religious communities than those who are both single and childless. Only married parents are more likely than childless singles to reaffiliate, though there is marginal evidence that childless married adults may also be more likely. Thus, the institutions of religion and family are still linked, even though overall levels of religious return are not as high as expected.     

Do CEOs Matter to Firm Strategic Actions and Firm Performance? A Meta‐Analytic Investigation Based on Upper Echelons Theory

What roles do CEOs play in firm performance? To address this question, the management field has accumulated a substantial amount of research over the past 3 decades built on upper echelons theory (UET), which posits that CEO characteristics manifest in firm strategic actions and, in this way, future firm performance. Hence, there is a need to systematically amass and take stock of prior empirical findings for UET testing and development. We use meta‐analytic techniques to synthesize prior UET research on the relationships among commonly studied CEO characteristics, firm strategic actions, and future firm performance. Based on 308 studies, meta‐analytic results generally support UET's predictions with a few exceptions: CEO characteristics (i.e., tenure, formal education, prior career experience, and positive self‐concept) are significantly associated with firm strategic actions, which in turn are significantly related to future firm performance. Moreover, CEO characteristics (i.e., age, tenure, formal education, and prior career experience) are positively related to future firm performance. In addition, fine‐grained analyses have revealed interesting and important relationships between specific measures of CEO characteristics (e.g., CEO prior task experience) and firm outcomes (e.g., firm strategic actions that match with CEO prior task experience). Implications for theory, future research, and practice are discussed.