精子捐赠与伦理

引起男性不育的一个重要原因是无精症、死精症。精子捐赠的出现为这些患者带来了福音,使其享受天伦之乐成为可能,但同时也带来了一系列伦理学、社会学上的问题,包括子代的知情权问题、近亲结婚问题、家庭内部矛盾问题等等。因此要准确认识、运用和完善新的医学技术,并对其进行伦理和法律的规范,防止滥用。     

A Different Look at Assessment Centers: Views of Assessment Center Users

This study aims to shed light on possible problems of assessment center users and designers when developing and implementing assessment centers. Semi-structured interviews with a representative sample of assessment center users in Flanders revealed that, besides a large variability in assessment center practice, practitioners experience problems with dimension selection and definition, exercise design, line/staff managers as assessors, distinguishing between observation and evaluation, and with the content of assessor training programs. Solutions for these problems are suggested.     

The Dimensionality of Honey and Mumford’s Learning Styles Questionnaire

The Learning Style Questionnaire (LSQ) developed by Honey and Mumford (1986) is one of several measures of individual learning style. Despite its popularity in the UK there is little published evidence for construct validity. This survey of 329 British managers used cluster and factor analysis to assess the validity of the LSQ. Cluster analysis revealed learning style profiles dominated by Reflector/Theorist traits. The factor structure of the LSQ does not cleanly reflect the four-stage Learning Cycle relied upon for a theoretical foundation. The observed structure is more indicative of a three-stage learning cycle of Action, Reflection and Planning.     

管理人员对影响新产品开发决策宏观动力场因素的认知

在先前一系列研究的基础上,利用问卷考察了管理人员对宏观动力场因素不确定性质的认知,它涉及全国三个地区１２１名管理人员和１５家工厂企业。研究证实了从管理人员角度看,宏观因素变化性的主要维度是波动性、趋势性和时距性,经营信息不确定度、外部管理与招工不确定度、供应与公关不确定度,构成了总的动力场不确定性。最后,研究管理人员的认知结构对新产品开发决策具有的理论意义和实践意义。     

Influence of dominance on the development of play fighting in pairs of male Syrian golden hamsters (Mesocricetus auratus)

In the highly social rat, male juvenile and adult subordinates initiate more playful contacts with dominant pairmates than vice versa. This study examined the effect of dominance on playful contacts in the relatively asocial golden hamster. Pairs of male hamsters were reared together from weaning, and their play was filmed in the juvenile (28-36 days) and the young adult (60-70 days) stages of development. By the adult stage, it became clear that one pairmate was dominant over the other. The dominant pairmate launched all aggressive attacks (i. e., bites to the lower flanks and rump), and the subordinate pairmate performed all the submissive gesturing (e. g., tail up submissive posture). Playful contact, which in this species involves gentle nibbling of the posterior cheeks, was more frequently launched by the dominant than by the subordinate. This was not only true at the adult stage, but also at the juvenile stage, before dominance-subordination relationships were sharply polarized. Therefore, it would appear that in the relatively asocial hamster, the subordinates tend to avoid playful contact with dominants. This is markedly different to rats, where the subordinates actively seek out and engage dominants in play. This contrast further supports our hypothesis that subordinate male rats use play as a means of maintaining familiarity with dominants. © 1993 Wiley-Liss, Inc.     

男性少年犯与同龄中学生人格特征的比较研究

采用加利福尼亚心理调查表(CPI-RC)对178男性少年犯和219名同龄男性中学生进行了测查。结果表明：(1)少年犯与同龄中学生的人格特征存在显著差异,少年犯的自我确认、社会价值内化、成就潜能、生活和社会态度、自我实现和个人整合水平都较同龄中学生差;(2)在人格类型上,少年犯与同龄中学生亦存在差异,少年犯的人格类型以常规异向居多。     

十五年来中国男性择偶标准的变化

对《中国妇女》1985年至2000年15年间每隔5年选择一年,并在每一季度中选择一期杂志,统计男性刊登的征婚启事,总共得到332例。采用统计学方法进行定量研究。发现中国男性在15年间对自身的人品、财产、相貌的重视程度显著增高,对自身的婚史和事业的重视程度明显降低;对女方的持家能力的重视程度显著增高,对女方的健康和工作的重视程度显著降低。当代中国男性的择偶标准随时间的推移有了明显的变化,但仍受到中国传统观念的影响。     

Valence specific laterality effects in prosody: expectancy account and the effects of morphed prosody and stimulus lead

The majority of studies have demonstrated a right hemisphere (RH) advantage for the perception of emotions. Other studies have found that the involvement of each hemisphere is valence specific, with the RH better at perceiving negative emotions and the LH better at perceiving positive emotions [Reuter-Lorenz, P., & Davidson, R.J. (1981) Differential contributions of the 2 cerebral hemispheres to the perception of happy and sad faces. Neuropsychologia, 19, 609-613]. To account for valence laterality effects in emotion perception we propose an 'expectancy' hypothesis which suggests that valence effects are obtained when the top-down expectancy to perceive an emotion outweighs the strength of bottom-up perceptual information enabling the discrimination of an emotion. A dichotic listening task was used to examine alternative explanations of valence effects in emotion perception. Emotional sentences (spoken in a happy or sad tone of voice), and morphed-happy and morphed-sad sentences (which blended a neutral version of the sentence with the pitch of the emotion sentence) were paired with neutral versions of each sentence and presented dichotically. A control condition was also used, consisting of two identical neutral sentences presented dichotically, with one channel arriving before the other by 7 ms. In support of the RH hypothesis there was a left ear advantage for the perception of sad and happy emotional sentences. However, morphed sentences showed no ear advantage, suggesting that the RH is specialised for the perception of genuine emotions and that a laterality effect may be a useful tool for the detection of fake emotion. Finally, for the control condition we obtained an interaction between the expected emotion and the effect of ear lead. Participants tended to select the ear that received the sentence first, when they expected a 'sad' sentence, but not when they expected a 'happy' sentence. The results are discussed in relation to the different theoretical explanations of valence laterality effects in emotion perception.     

Rethinking deindustrialisation and male career crisis

The decline in manufacturing and growth of service-based jobs has prompted many social theorists to argue that the ability of working-class men to construct meaningful and rewarding careers is becoming ever more limited. Despite using the universal label ‘working class’, the experience of skilled working-class men has been largely ignored. This article explores 26 work history interviews collected from 14 former Royal Dockyard tradesmen in South-East England and 12 of these men's sons and grandsons. Findings from this research challenge the idea that most men were/and are passive victims of industrial change. By contrast, the majority of men in this study managed to carefully adapt to and navigate the transition from industrial to post-industrial work whilst still retaining a ‘linear life narrative’ to give meaning to their evolving careers and lives.     

睾丸微石症和成年男性精子质量关系探究

探讨睾丸微石症及其不同类型（CTM／LTM）和成年男性精子质量之间的关系,分析其相关性,为临床诊疗提供参考。回顾性分析接受精液常规检查并发现精子的41例睾丸微石症患者,并分为经典型睾丸微石症（CTM）和限制型睾丸微石症（LTM）两组进行对比。结果显示,在精子总数、精子总活力、前向运动精子率和不活动精子率方面,两组比较差异有统计学意义（P〈0．05）。相比LTM,CTM对精子质量的影响更明显。不同类型睾丸微石症和成年男性精子质量之间有关联,呈现出负相关。