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101.
- Consumer acceptance of technological innovations is crucial to marketing new products. According to the most influential model in this area, the Technology Acceptance Model (TAM), perceived usefulness (PU) and perceived ease of use (PEOU) determine users' behavioural intentions to use or purchase a system or product. In the specific context of network externalities, a sense of utility that arises from the number of users (NOU) is considered as important as technology‐specific valuation. This study conducted an empirical survey to examine the effects of TAM and network externalities on the acceptance of Multimedia Messaging Services (MMS), an innovation in the field of mobile telecommunications. The results confirm the effectiveness of the TAM and find that network externalities effect affects users' acceptance to this mobile innovations. Accordingly, the TAM can be applied to predict consumer's acceptance to the mobile telecommunication innovations in the presence of network externalities.
102.
The aim of this study was to test different methods for distinguishing between two known timing processes involved in human rhythmic behaviours. We examined the implementation of two approaches used in the literature: the high-frequency slope of the power spectrum and the lag one value of the autocorrelation function, ACF(1). We developed another method based on the Wing and Kristofferson (1973a) model and the predicted negative ACF(1) for event-based series: the detrended windowed (lag one) autocorrelation (DWA). We compared the reliability and performance of these three methods on simulation and experimental series. DWA gave the best results, and guidelines are given for its appropriate use for identifying underlying timing processes. 相似文献
103.
Price MA Butow PN Lo SK Wilson J;Kathleen Cuningham Consortium for Research into Familial Breast Cancer 《Journal of genetic counseling》2007,16(5):635-644
Some women at increased familial risk of breast cancer experience elevated levels of cancer-specific worry, which can possibly
act as a barrier to screening, and may be a significant factor in decisions regarding risk-reducing surgery. The aim of this
study was to comprehensively examine predictors of cancer-specific worry in high risk women and to test a model which proposes
that perceived breast cancer risk mediates the impact of other factors on worry. 1,437 unaffected women from high risk breast
cancer families completed questionnaires and interviews. Path analysis was used to test the model of potential predictors
of cancer worry, including familial, personal and psychological variables, mediated via perceived cancer risk. Levels of cancer-specific
worry were generally low despite an average perceived risk of 50.3%. The goodness-of-fit of the proposed model was poor, explaining
only 9% of the variance for perceived risk and 10% of the variance for cancer specific worry. An alternative model of a direct
relationship between all of the predictor variables and cancer worry, explained 24% of the variation in cancer worry. General
anxiety, perceived risk, the stressful impact of recent cancer related events, a relative risk greater than 10, being closer
in age to the youngest breast cancer diagnosis in family, and knowledge of personal mutation status, all independently contributed
to cancer worry. Addressing general affective responses, experiences of recent cancer related events, in addition to education
about personal risk, should be considered in counselling women with elevated cancer worry. Risk perception appears to act
independently of other factors in its formulation and impact on cancer worry. Further research on the way in which women come
to perceive their risk is indicated.
The kConFab Psychosocial Group are (in alphabetical order of institution): Brain and Mind Institute, University of Sydney,
Australia (I Hickie) Department of Haematology and Medical Oncology, Peter MacCallum Cancer Centre, Melbourne, Australia (K-A
Phillips) Department of Medical Oncology, Prince of Wales Hospital, Randwick, Australia (B Bennett, B Meiser, K Tucker) Department
of Oncology, St Vincent’s Hospital, Melbourne, Australia (S-A MaLachlan) Department of Psychological Medicine, Royal North
Shore Hospital, St Leonards, Australia (C Tennant); Medical Psychology Research Unit, University of Sydney, Australia (P Butow,
M Price). 相似文献
104.
105.
Lo Sze Mon Wong Ho Cheong Lam Ching Yee Shek Daniel T. L. 《Applied research in quality of life》2020,15(1):207-218
Applied Research in Quality of Life - While numerous studies have suggested the rising prevalence of common mental disorders amongst university students, studies examining mental health of Chinese... 相似文献
106.
An analysis of individual and organisational determinants of energy‐related behaviors in office buildings and the interplay between the two is presented. Interviews and focus groups were conducted with office workers from four organisations in two Dutch provinces. The results indicate that, overall, work efficiency and productivity was prioritised over energy conservation. In general, self‐efficacy was the most salient individual determinant, and social norm the least discussed determinant of current office energy‐related behaviors. Nevertheless, both self‐efficacy and social norm elements were encountered in employees' proposed strategies to achieve future office energy‐saving. Formal and informal aspects of the organisational context were found to equally affect individual determinants and their related behaviors. Facility managers' and general office workers' views differed in a few but important ways. Interorganisational comparisons showed that differences in organisational foci were linked to the relative salience of normative, gain, and hedonic motivations. 相似文献
107.
Loïs Schenk Miranda Sentse Margriet Lenkens Gera E. Nagelhout Godfried Engbersen Sabine Severiens 《American journal of community psychology》2020,65(1-2):149-159
Research on youth mentoring highlights the importance of the relationship quality between mentor and mentee; mentoring results in more positive outcomes when the mentee perceives the relationship as satisfying and trustworthy. Research on relationship quality shows that social skills are important for constructing new relationships. However, whereas improved social skills are often one of the main goals of youth mentoring, little is known about the importance of social skills for relationship quality in youth mentoring relations. In this study, we examined whether mentee's pre-intervention social skills were related to mentor–mentee relationship quality as perceived by the mentee, and in turn, if relationship quality was associated with post-intervention social skills. We additionally examined possible gender and age differences in these associations. Data were used from a two-wave study that assessed relationship quality and social skills before and after one semester of mentoring of 390 secondary school students in a school-based mentoring program. Results indicated that relationship quality was positively associated with post-intervention social skills. However, only for young mentees pre-intervention social skills were associated with better relationship quality. Moreover, only for young mentees, relationship quality mediated the association between pre- and post-intervention social skills. 相似文献
108.
Y. S. Lo 《Inquiry (Oslo, Norway)》2013,56(3):331-358
Anti‐naturalistic critics of Unity of Science have often tried to establish a fundamental difference between social and physical science on the grounds that research in the social field (unlike physical research) seems to interfere with the original situations so as to make accurate predictions impossible. A ‘social’ prediction may, e.g., itself influence the course of events so that the prediction proves false. H. A. Simon has dealt with such effects of predictions in a well‐known article. Drawing on a mathematical theorem, Brouwer's so‐called fixed‐point theorem, he claims to prove that reactions to published predictions can be accounted for so that appropriately adjusted predictions can avoid being self‐destructive. The present article is an attempt to show that Simon's use of the Brouwer theorem is misplaced, and that his proof does not parry the anti‐naturalistic argument. Indeed, the burden of his proof is not really of a mathematical, but, it is argued, of a ‘protosociological’ kind. In conclusion, the article points to the fundamental inadequacy of a frame of reference which makes the ‘interference’ or ‘reaction’ effects due to people's having access to social knowledge appear strange or eccentric: as some kind of marginal irregularity causing trouble in the philosophy of (social) science. 相似文献
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