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951.
Björn Lidestam 《Behavior research methods》2014,46(2):499-516
A method for creating and presenting video-recorded synchronized audiovisual stimuli at a high frame rate—which would be highly useful for psychophysical studies on, for example, just-noticeable differences and gating—is presented. Methods for accomplishing this include recording audio and video separately using an exact synchronization signal, editing the recordings and finding exact synchronization points, and presenting the synchronized audiovisual stimuli with a desired frame rate on a cathode ray tube display using MATLAB and Psychophysics Toolbox 3. The methods from an empirical gating study (Moradi, Lidestam, & Rönnberg, Frontiers in Psychology 4:359, 2013) are presented as an example of the implementation of playback at 120 fps. 相似文献
952.
We investigated attentional demands in visual rhythm perception of periodically moving stimuli using a visual search paradigm. A dynamic search display consisted of vertically “bouncing dots” with regular rhythms. The search target was defined by a unique visual rhythm (i.e., a shorter or longer period) among rhythmic distractors with identical periods. We found that search efficiency for a faster or a slower periodically moving target decreased as the number of distractors increased, although searching for a faster target was about one second faster than searching for a slower target. We conclude that perception of a visual rhythm defined by a unique period is not a “pop-out” process, but a serial one that demands considerable attention. 相似文献
953.
954.
Our aim was to identify the ethical issues faced by students in the behavioral and natural sciences during their doctoral programmes. The participants were 28 PhD students who were interviewed about their doctoral study and supervision experiences. We identified a total of 102 ethical issues compromising the principles of nonmaleficence, beneficence, autonomy, justice, or fidelity. There were some differences in emphases, with the students in the behavioral sciences displaying a broader range of ethical compromises than the students in the natural sciences. Ethical problems emerged in the individual supervisor–student relationships, but often problems involving the scholarly community appeared in the background. 相似文献
955.
Prejudice‐reduction in Culturally Mixed Classrooms: The Development and Assessment of a Theory‐driven Intervention Among Majority and Minority Youth in Finland
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Karmela Liebkind Tuuli Anna Mähönen Emilia Solares Erling Solheim Inga Jasinskaja‐Lahti 《Journal of community & applied social psychology》2014,24(4):325-339
The aim of this field experiment was to develop and assess an intervention promoting positive intergroup relations in culturally diverse schools. The intervention was based on extended contact and social learning and utilized behavioural journalism as its method. Intervention effects were assessed on out‐group attitudes, perceived importance of future contact, perceived peer norms and intergroup anxiety among ethnic majority (N = 583) and minority (N = 214) youth in grades 7–9 in Finnish secondary schools (total Nexperimental = 388; total Ncontrol = 409). As a result of the intervention, both groups showed a tendency to perceive future intergroup contact as more important, and this effect was most notable for younger participants and girls. Prototypicality of in‐group and out‐group peer models contributed positively to intervention effects. However, unexpectedly, the intervention also increased experiences of intergroup anxiety among the oldest participants. The results are discussed taking into account the developmental stage of the youth studied. Besides critically assessing the effectiveness of the intervention, recommendations for improving theory‐driven prejudice‐reduction and for the development of future interventions in culturally diverse contexts are given. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
956.
Long QT syndrome (LQTS) is a contributor to unexplained deaths in infants (SIDS), children, teenagers and young adults. A gene test result may allow for individual tailored treatment, but also pose a burden of knowing one’s carrier status, with no treatment recommendation. Genetic risk knowledge in the case of LQTS can promote adjustment and coping, but also fear anxiety, ambivalence and moral dilemmas. This makes it challenging to respect both the right to know and the right not to know. The purpose of this study was to explore LQTS parents’ perception of genetic knowledge, and their need to know or not to know about their children’s carrier status. Qualitative, semi structured interviews were conducted with thirteen parents of LQTS-children. Results show that parents found it important to know the result of a gene test for LQTS including their children’s carrier status. The risk was framed and incorporated into their everyday life and their life perspectives. Pertinent moral dilemmas concerned information disclosure to children and relatives. Parents thought that early and gradual disclosure to children would promote coping. Parents’ moral dilemmas were rarely addressed during encounters with healthcare providers. The participants had several suggestions for improvement in that regard. 相似文献
957.
958.
Alexandru Agache Birgit Leyendecker Esther Schäfermeier Axel Schölmerich 《European Journal of Developmental Psychology》2014,11(2):259-277
This study explored the role of fathers' involvement for life satisfaction changes among 598 cohabitating couples before and after childbirth using data from the German Socio-Economic Panel (GSOEP). We included longitudinal data and reports from both parents on their time spent on housework and childcare and their life satisfaction. Piecewise latent growth models showed that fathers' relative involvement trajectories for housework and childcare (amount of time men spent compared to their partners) were positively correlated. Fathers' relative involvement was perceived as supportive for mothers' childcare. In families where fathers were more involved, life satisfaction trajectories were much steeper; both parents had elevated levels around birth and returned to their baseline levels compared to families with less-involved fathers. Fathers who were less involved did not increase in life satisfaction at birth and decreased below their baseline levels within the third year post-birth. 相似文献
959.
Prof. Dr. Dieter Dölling Prof. Dr. Dieter Hermann PD Dr. Christian Laue Wolfgang Weninger 《Forensische Psychiatrie, Psychologie, Kriminologie》2014,8(2):72-83
The article shows that the registered juvenile delinquency has decreased in recent years. Serious violent crime partially exists, but this is only a small part of the overall juvenile delinquency. Forms of appearance of these violent crimes are outlined. With the help of a dark field study it is illustrated that there is a great variety of delinquency among young people. There are young people showing mostly law-abiding behavior, infrequent offenders and a group with a significant burden of crimes. 相似文献
960.
Stephanie Badde Tobias Heed Brigitte Röder 《Attention, perception & psychophysics》2014,76(4):1136-1150
To perform an action toward a touch, the tactile spatial representation must be transformed from a skin-based, anatomical reference frame into an external reference frame. Evidence suggests that, after transformation, both anatomical and external coordinates are integrated for the location estimate. The present study investigated whether the calculation and integration of external coordinates are automatic processes. Participants made temporal order judgments (TOJs) of two tactile stimuli, one applied to each hand, in crossed and uncrossed postures. The influence of the external coordinates of touch was indicated by the performance difference between crossed and uncrossed postures, referred to as the crossing effect. To assess automaticity, the TOJ task was combined with a working memory task that varied in difficulty (size of the working memory set) and quality (verbal vs. spatial). In two studies, the crossing effect was consistently reduced under processing load. When the load level was adaptively adjusted to individual performance (Study 2), the crossing effect additionally varied as a function of the difficulty of the secondary task. These modulatory effects of processing load on the crossing effect were independent of the type of working memory. The sensitivity of the crossing effect to processing load suggests that coordinate integration for touch localization is not fully automatic. To reconcile the present results with previous findings, we suggest that the genuine remapping process—that is, the transformation of anatomical into external coordinates—proceeds automatically, whereas their integration in service of a combined location estimate is subject to top-down control. 相似文献