Modeling the Adenoma and Serrated Pathway to Colorectal CAncer (ASCCA)

Several colorectal cancer (CRC) screening models have been developed describing the progression of adenomas to CRC. Currently, there is increasing evidence that serrated lesions can also develop into CRC. It is not clear whether screening tests have the same test characteristics for serrated lesions as for adenomas, but lower sensitivities have been suggested. Models that ignore this type of colorectal lesions may provide overly optimistic predictions of the screen‐induced reduction in CRC incidence. To address this issue, we have developed the Adenoma and Serrated pathway to Colorectal CAncer (ASCCA) model that includes the adenoma‐carcinoma pathway and the serrated pathway to CRC as well as characteristics of colorectal lesions. The model structure and the calibration procedure are described in detail. Calibration resulted in 19 parameter sets for the adenoma‐carcinoma pathway and 13 for the serrated pathway that match the age‐ and sex‐specific adenoma and serrated lesion prevalence in the COlonoscopy versus COlonography Screening (COCOS) trial, Dutch CRC incidence and mortality rates, and a number of other intermediate outcomes concerning characteristics of colorectal lesions. As an example, we simulated outcomes for a biennial fecal immunochemical test screening program and a hypothetical one‐time colonoscopy screening program. Inclusion of the serrated pathway influenced the predicted effectiveness of screening when serrated lesions are associated with lower screening test sensitivity or when they are not removed. To our knowledge, this is the first model that explicitly includes the serrated pathway and characteristics of colorectal lesions. It is suitable for the evaluation of the (cost)effectiveness of potential screening strategies for CRC.     

Power and dependence perspectives on outsourcing decisions

Since the 1980s outsourcing has been a major topic in both economic and management literature. Economic literature tends to focus on the transaction cost perspective. In management literature the core competence approach prevails. An emerging alternative view on outsourcing is the power and dependence perspective. Aspects of power and dependence become visible in four case studies involving the maintenance of capital assets. In each instance both the buyer and supplier sides of the dyad are examined. The paper concludes with managerial implications and research opportunities.     

The Safeguarding Effect of Governance Mechanisms in Inter‐firm Exchange: The Decisive Role of Mutual Opportunism

This study empirically investigates the safeguarding effect of (1) administrative control, (2) a dominant power position and (3) relational norms, on opportunistic behaviour of suppliers, by means of a survey among 624 information and communication technology professionals in Dutch municipalities. The findings indicate that individual effectiveness of relational norms, particularly in terms of flexibility and solidarity, was most prominent. Administrative control and power did not show a significant impact on supplier opportunism in our sample. Research into the simultaneous use of several safeguards against opportunism generated the finding that different relational norms fortify each other's safeguarding effect. Furthermore, we demonstrate that supplier opportunism is only mitigated by a dominant power position when the buyer does not exploit its favourable position and the buyer does not behave opportunistically. Hence, power seems to have a safeguarding effect only when it is not used.     

Network and Health Changes Among Older Dutch Adults

A negative effect of good health on the instrumental support received can be viewed as an effect of the mobilization of helpers. A positive effect of good health on the personal network size and the instrumental support given demonstrates that people in poor health have difficulty actively maintaining their relationships. Furthermore, the support received and given is positively related to the support given and received in the past. In four waves of a seven–year longitudinal study, personal interviews were conducted with 2,302 older Dutch adults (aged 60 to 85) who live on their own. The hypotheses have been confirmed. An implication is that investing in relationships by giving support might pay off in times of need.     

Exploring death anxiety among elderly people: a literature review and empirical investigation

Given the growing number of elderly persons in society and concerns about their health and well-being, the aim was to review the available literature on their death anxiety, and to explore features of this experience among a small sample of older men and women in care facilities. In both the review and empirical parts of this study, components and correlates of death anxiety were investigated. The review revealed limited research focus on death anxiety among the elderly, particularly among those in institutions, but suggested both components and correlates for inclusion in our empirical study. Results showed that, among our elderly participants in an assisted living facility (N = 49; age range: 60-96 years), there were higher levels of fear for others and of the dying process than for fear of the unknown. Notably, among the correlates identified, fear for significant others was associated with poor physical health; fear of the dying process was related to low self-esteem, little purpose in life, and poor mental well-being. Gender differences in death anxiety were found: women showed greater fear for the death of loved ones and for the consequences of their own death on these loved ones, than did men. These patterns are discussed in the light of concerns about the welfare of elderly persons; scientific implications are also considered.     

比利时弗拉芒区高等教育模式

详细阐述了比利时弗拉芒区大学和大专近年来的学生数量变化情况、高等教育的学费和资助情况、教学模式以及专科院校中师资队伍建设情况,分析了大学和专科院校间的差别和比利时弗拉芒区高等教育的发展。     

The effect of the still‐face paradigm on infant behavior: A cross‐cultural comparison between mothers and fathers

Most still‐face paradigm (SFP) studies have been done in Western families with infant–mother dyads. The present study investigated the SFP pattern in 123 Dutch and 63 Chinese 4‐month‐old infants with mothers and fathers. The classic SFP effect was found for positive affect and gaze in both countries. For negative affect, Chinese infants showed a different SFP pattern than Dutch infants. With fathers, infants displayed a less pronounced SFP pattern for positive affect and an increase from the still face to the reunion for negative affect. Only a minority of infants showed the expected SFP pattern across episodes. Our findings support that infant emotion expression is influenced by parent gender and cultural context. An interesting avenue for further study is the exploration of the origins of within‐ and between‐gender and culture differences in affective communication between parents and infants.     

How European PR practitioners handle digital and social media

The European Communication Monitor (ECM) 2010 showed that digital communication and social media have grown in importance in the media mix of European organizations. Both new media types are positively correlated to the perceived impact of public relations (PR) in the organization. Specifically social networks and online videos are considered the most important social media tools. Also European practitioners expect that the content of communication will become more important as and when the use of social media further increases. The consequence that everyone within the organization is able to spread information is perceived as the most problematic aspect of social media. A potential problem is that only about one third of the European organizations have implemented social media policies with communication consultancies leading the way. Communication consultants consider social media significantly more important than practitioners working in organizations.     

Effects of apologies and crisis responsibility on corporate and spokesperson reputation

This study is aimed at the effects of making apologies in a crisis situation and attributed crisis responsibility on corporate- and spokesperson reputation. In a 2 × 2 scenario experiment (spokesperson making apologies versus no apologies; and accidental versus preventable crisis), 84 respondents judged corporate and spokesperson reputation. We found that the crisis has more impact on corporate reputation than on the spokesperson's reputation. This indicates that the crisis is seen as a collective responsibility of the organization, rather than the personal responsibility of the spokesperson.