Expertise and estimating what other people know: the influence of professional experience and type of knowledge

There is ample evidence that estimations of what other people know are often biased in the direction of one's own knowledge. Yet, it is still unclear if this bias is influenced by expertise. In Study 1, computer experts estimated the distribution of Internet concepts and general knowledge concepts among students. These estimations were compared with norm values and with estimations obtained from a sample of laypersons. Laypersons showed a stronger bias than experts. Study 2 revealed that knowledge estimations can be influenced by labeling knowledge items as specialist knowledge. The results are suggestive of ways in which communication between experts and laypersons could be enhanced. Especially in asynchronous communication situations, as for example in the use of e-mail based hot lines, if experts are to communicate effectively, they must make accurate assumptions about laypersons' knowledge of the topic.     

Information about a layperson's knowledge supports experts in giving effective and efficient online advice to laypersons

To give effective and efficient advice to laypersons, experts should adapt their explanations to the layperson's knowledge. However, experts often fail to consider the limited domain knowledge of laypersons. To support adaptation in asynchronous helpdesk communication, researchers provided computer experts with information about a layperson's knowledge. A dialogue experiment (N = 80 dyads of experts and laypersons) was conducted that varied the displayed information. Rather than sensitizing the experts to generally improve the intelligibility of their explanations, the individuating information about the layperson enabled them to make specific partner adjustments that increased the effectiveness and efficiency of the communication. The results are suggestive of ways in which the provision of instructional explanations could be enhanced in Internet-based communication.     

The Relation of Internet Searching to Club Drug Knowledge and Attitudes

The effects of the recent explosion of Internet-based health information are little understood. Past research suggests that Internet information on drugs such as ecstasy and speed could increase knowledge of the drugs' potential danger while at the same time making attitudes towards them more accepting. To examine this question, a laboratory experiment was conducted in which participants were randomly assigned to search the Internet for information on "club drugs" or on an unrelated topic. Among those with no history of drug use, Internet searchers came to know more than nonsearchers about ecstasy and speed, and rated more highly the benefit of club drugs and their social disinhibiting effects. Among participants with a history of drug use, Internet searchers and nonsearchers showed fewer differences. The three main findings of this study were that searching increased knowledge, while normalizing risky behavior, but primarily for novices. This leads to the conclusion that people new to a health behavior may be most porous to new ideas presented on the Internet as they stabilize their mental model of the behavior.     

Influence of perspective and goals on reference production in conversation

We examined the extent to which speakers take into consideration the addressee's perspective in language production. Previous research on this process had revealed clear deficits (Horton & Keysar, Cognition 59:91-117, 1996; Wardlow Lane & Ferreira, Journal of Experimental Psychology: Learning, Memory, and Cognition 34:1466-1481, 2008). Here, we evaluated a new hypothesis--that the relevance of the addressee's perspective depends on the speaker's goals. In two experiments, Korean speakers described a target object in situations in which the perspective status of a competitor object (e.g., a large plate when describing a smaller plate) was manipulated. In Experiment 1, we examined whether speakers would use scalar-modified expressions even when the competitor was hidden from the addressee. The results demonstrated that information from both the speaker's and the addressee's perspectives influenced production. In Experiment 2, we examined whether utterance goals modulate this process. The results indicated that when a speaker makes a request, the addressee's perspective has a stronger influence than it does when the speaker informs the addressee. These results suggest that privileged knowledge does shape language use, but crucially, that the degree to which the addressee's perspective is considered is shaped by the relevance of the addressee's perspective to the utterance goals.     

How to refer to ‘diabetes’? Language in online health advice

The adaptation of vocabulary between communication partners, i.e. the lexical entrainment phenomenon, is well documented. This study investigates whether the phenomenon can also be found in computer‐mediated communication between experts and laypersons. The respondents, who are medical experts (n = 46), answered to fictitious patients' queries on health problems. Language technicality within patients' queries was manipulated. One version contained certain concepts in everyday language, the other in technical language. Do experts adapt the vocabulary in their replies to that in the inquiry? Detailed analyses provide evidence that experts not only use the inquiry vocabulary, but also adapt the content of their answers to the technicality of the inquiry. Surprisingly, though queries differ in the use of vocabulary experts attributed very similar prior knowledge to the fictitious patient while providing them with very different replies. The results are discussed with respect to the implications for health counselling and for theoretical assumptions about adaptation in net‐based discourse. Copyright © 2005 John Wiley & Sons, Ltd.     

Internet use among Chinese college students: implications for sex education and HIV prevention.

The Internet has gained great popularity among Chinese college students, but studies on Internet use behaviors and their relationship with sexual risk perception and behaviors have been limited. A survey was conducted among 1,845 college students in an eastern province of China, in order to assess the pattern of Internet use among Chinese college students, to examine the relationship of Internet use and HIV knowledge and susceptibility, and to explore the relationship of online risk behaviors with sexual status, sexual intention, and sexual perceptions. Data suggest that many students used the Internet frequently and often spent long hours online. Differences between genders and across grades were observed in the patterns of students' Internet use. Male students reported much higher rates of visiting pornographic websites or engaging in other online risk behaviors. Students' HIV knowledge or susceptibility did not differ by the extent of Internet use, but online risks were positively associated with their sexual status, sexual intention, and sexual perceptions. Students who were sexually active, planned to have sex, or possessed permissive attitudes toward pre-marital sex were more likely to report online risk behaviors such as visiting pornographic sites, cyberbullying, or distributing erotic materials via the Internet. The data underscore the importance to provide students with appropriate guidance on their Internet use, especially for reducing online risks and utilizing Internet as a source for sex education and HIV prevention.     

青少年网络道德与其网络偏差行为的关系

青少年已经成为中国互联网的最大用户群体,他们在使用互联网中表现出的偏差行为与道德的关系值得关注。该研究使用问卷法探讨了496名青少年的网络道德特点与网络偏差行为表现以及二者之间的关系。结果发现:(1)青少年的网络道德表现较积极,网络道德认知、情感和意向之间存在显著正相关;(2)青少年的网络偏差行为不算严重,但男生的网络过激行为和网络色情行为显著多于女生,且网络过激行为随着年级升高而减少:其中网络攻击性、易怒、敌意和冲突水平都随着年级的增长而呈下降趋势;(4)青少年的网络道德认知和意向对网络偏差行为有反向预测作用,网络道德情感不能预测其网络偏差行为表现。网络道德越积极,表现出来的网络偏差行为越少。     

Speakers' overestimation of their effectiveness

Successful communication depends in part on an ability to anticipate miscommunication. We investigated speakers' ability to gauge their addressees' understanding. Participants in our experiments were asked to say ambiguous sentences while attempting to convey a specific intention to their addressee. When they estimated the addressee's understanding of the intended meaning, they showed a consistent tendency to overestimate their effectiveness. They expected the addressee to understand more often than the addressee actually did. In contrast, overhearers who were informed about the speakers' intention did not systematically overestimate the speakers' effectiveness. Our findings suggest that when speakers monitor their own utterances, they do not act as unbiased observers. Instead, they underestimate the ambiguity of their own utterances and overestimate the extent to which their disambiguating cues make their intention transparent. Such overestimation could be a systematic source of miscommunication in natural conversation, and should be accounted for by any theory of language production.     

Impact of language anxiety and self-efficacy on accessing Internet sites.

Language interface plays a critical role as the foundation of communication. Possessing greater fluency in the host language can lead to increased opportunities for interaction with host members. This research is to examine the impact of language and Internet usage anxiety and self-efficacy on the intended uses of Internet sites, respectively. By the same token, whether Internet/language self-efficacy would mediate the effects of Internet/language anxiety on the intention of the Internet site use is also examined. A valid sample of 368 undergraduates was tested in this study. The path analysis results mostly supported the model tested. The results display that the anxiety of language and Internet use have significantly influenced self-efficacy of Internet use and language, respectively. Anxiety about language and Internet use have also significantly influenced the intention to use Internet sites individually. Furthermore, language self-efficacy has significantly influenced the intention to use Internet sites, but Internet self-efficacy has not. The implications are discussed at the end of the paper.     

Competent Adolescent Readers’ Use of Internet Reading Strategies: A Think-Aloud Study

The purpose of this study was to investigate the type, pattern, and complexity of Internet reading strategies used by seven accomplished high school readers. Individual participants performed an academic Internet reading task with the goal of developing critical questions about their chosen controversial topic. Strategies for Internet reading were analyzed from the perspective of constructively responsive reading, both qualitatively and quantitatively, using participant-generated verbal reports complemented by recordings of their computer screens. The data described the nature and sequence of reading strategies that participants used to construct meaning, and the interplay of those multiple strategies in Internet settings. The results demonstrated that the participants’ Internet reading involved the iteration and modification of traditional print-based reading strategies (e.g., meaning-making, self-monitoring, information evaluation) and also the use of strategies characteristic of Internet settings (e.g., text location). Implications of the study's findings on Internet reading strategy use for theory and research are discussed.     

Gurus,Mystics, and Medicine Men: On Transcending Anger

Many contemporary Western writers, both professional helpers and laypersons, often urge expression of anger as a key to healthy living. There are many experts, perhaps best described as sharing a mystical orientation, who offer a different perspective on how to handle anger. This article attempts to relate the unity of their thinking as well as to suggest that the time is overdue for consideration of viable alternatives to expressing strong negative feelings.     

Internet Infidelity

SUMMARY

We used a multi-phase Delphi methodology to identify and explore critical issues, interventions, and gender differences in the treatment of Internet infidelity. We developed three representative vignettes related to Internet infidelity and asked twenty experts in extramarital affairs and/or sex addiction to respond to them, both through ratings and open-ended comments. We found little agreement among the experts. We discuss the unique features of Internet relationships, the areas of agreement and disagreement that we found among the experts, and the implications of our findings and the nature of Internet infidelity for both practice and training in marriage and family therapy.     

创造力内隐理论研究：源起与现状

创造力内隐理论是指一般公众（专家和外行人）在日常生活和工作背景下所形成的,且以某种形式存在于个体头脑中的关于创造力概念、结构极其发展的看法。创造力内隐理论研究是近20年来人们极为关注的新趋势之一。该文从创造力内隐理论的提出和新进展两个方面,对近20年该领域的有关文献进行了综述;简要评价了研究的现状,并对创造力内隐理论研究的发展趋势进行了展望     

You'd Better Ask an Expert: Mitigating the Comprehensibility Effect on Laypeople's Decisions About Science‐Based Knowledge Claims

Research shows that laypeople rely more on their capabilities to make decisions about science‐based knowledge claims after reading comprehensible compared with less comprehensible topic information. This can be problematic, because complex science‐based issues usually cannot be understood fully without experts' further advice. The present study investigated whether making readers aware of the ‘epistemic topic complexity’ of an issue (i.e., the extent of existing topic knowledge, the complexity of relationships between concepts, and the existence of multiple expert perspectives) can mitigate this influence of comprehensibility. Undergraduate students read comprehensible or less comprehensible health texts with topic knowledge being described as complex, uncomplex, or not described at all. They reported whether they agreed with the claim and would rely on their decision. Results showed that after reading comprehensible information, participants' reliance on their decision increased less when they considered topic knowledge to be complex. Practical implications of the findings are discussed. Copyright © 2014 John Wiley & Sons, Ltd.     

语言加工过程中的观点采择及其认知机制

观点采择是指个体从他人或他人所处情境出发, 想象或推测他人观点与态度的心理过程。对相关研究综述发现: (1)观点采择是否存在自我中心偏向依然存在争论; (2)观点采择自我中心偏向不是始终存在的, 其原因可能是个体受到时间压力和特定类型任务的要求; (3)他人存在影响观点采择自我中心偏向, 并且这种影响是自动化的, 不受任务类型的影响; (4)观点采择的认知机制主要包括交互对齐、记忆提取和概率计算。未来研究需要: (1)整合已实现的计算模型; (2)进一步探究观点采择能力与心理理论的关系; (3)探究观点采择中私有信息的作用; (4)提高观点采择研究的生态效度; (5)采用不同的技术手段进行汇聚性验证。     

Learning of nondomain facts in high- and low-knowledge domains

Research on expertise has repeatedly documented that experts learn new information better than do novices, but only when the information is relevant to the expert's domain. It was found in Experiment 1 that participants showed superior learning and recall of a large quantity of new, non-domain-relevant facts about concepts within their domain of high knowledge than about concepts for which they had low domain knowledge. Experiment 2 investigated whether the participants' superior recall of new facts related to concepts within their domain of high knowledge was due to the number of prior facts associated with the concept or to the prior frequency of repetition of those concepts. It was found that participants' recall of new facts was better for concepts with 5 prior associated facts than for concepts with a single prior association but that the number of previous repetitions of each concept did not affect the level of recall for the new facts.     

Health information on the Internet and people living with HIV/AIDS: information evaluation and coping styles.

Individuals who seek information on the Internet to cope with chronic illness may be vulnerable to misinformation and unfounded claims. This study examined the association between health-related coping and the evaluation of health information. Men (n = 347) and women (n = 72) who were living with HIV/AIDS and reported currently using the Internet completed measures assessing their Internet use. Health Web sites downloaded from the Internet were also rated for quality of information. HIV-positive adults commonly used the Internet to find health information (66%) and to learn about clinical trials (25%); they also talked to their physicians about information found online (24%). In a multivariate analysis, assigning higher credibility to unfounded Internet information was predicted by lower incomes, less education, and avoidant coping styles. People who cope by avoiding health information may be vulnerable to misinformation and unfounded claims that are commonly encountered on the Internet.     

University students' Internet attitudes and Internet self-efficacy: a study at three universities in Taiwan.

This study was conducted to explore university students' attitudes and self-efficacy toward the Internet. Moreover, the relationships between their attitudes and self-efficacy toward the Internet were also investigated. The sample of this study included 1,313 students, coming from three universities in Taiwan. It was found that male students expressed significantly more positive attitudes than females on their "perceived control" of the Internet. The male students also revealed better Internet self-efficacy than their female counterparts. Moreover, students having more on-line hours per week, in general, displayed more positive Internet attitudes and Internet self-efficacy. In addition, students' grade level also played an important role in their Internet attitudes; graduate students tended to possess more positive Internet attitudes. More importantly, students' Internet attitudes were highly correlated with their Internet self-efficacy. The results in this study seemed to reveal that students' attitudes toward the Internet could be viewed as one of the important indicators for predicting their Internet self-efficacy. It is also suggested that some training programs or courses may be helpful in improving university students' attitudes and self-efficacy toward the Internet.     

Cultural illiteracy and the Internet.

The Internet has created different expectations regarding its possibilities as a tool for including groups that have heretofore been excluded from the modern world. But mere access to information does not necessarily imply correct and effective use of it. Despite the great increase in Internet access in previously excluded areas, expectations of inclusion have not been fulfilled. Research suggests that the effectiveness of Internet use varies among cultures, but all such studies analyze countries as a whole with no further breakdown. Yet it is known that within a given country there co-exist subcultures that differ both in language and social context. This paper presents a study that shows the correlation between different social subcultures and their Internet knowledge.     

Pedestrians at the kerb – Recognising the action intentions of humans

Aim of the presented research is the development of a cognitive driver assistance system, which can capture the traffic situation, analyse it, and warn the driver in case a pedestrian is a potential hazard. Hence parameters have to be identified by which the intention of the pedestrian can be unambiguously predicted. Two approaches to the topic are addressed. First, the pedestrian’s perspective was taken. The question was how crossing decisions were influenced by the parameters distance and velocity of the car. Following a signal, participants had to choose to cross the road in front of or behind the car. The data analysis showed that pedestrians relied on the distance of the car rather than the time to collision for their decision. In the second experiment the observer’s perspective raised the question what parameters humans use to predict pedestrians’ intentions. Videos of natural traffic scenes were presented. Participants had to make statements about whether the shown pedestrian would cross the street during the next moment. In a baseline and four experimental conditions, certain information was masked in the videos. Just the condition in which only the trajectory information of the pedestrian was available produced a higher error rate.