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61.
62.
Practice can enhance of perceptual sensitivity, a well-known phenomenon called perceptual learning. However, the effect of practice on subjective perception has received little attention. We approach this problem from a visual psychophysics and computational modeling perspective. In a sequence of visual search experiments, subjects significantly increased the ability to detect a “trained target”. Before and after training, subjects performed two psychophysical protocols that parametrically vary the visibility of the “trained target”: an attentional blink and a visual masking task. We found that confidence increased after learning only in the attentional blink task. Despite large differences in some observables and task settings, we identify common mechanisms for decision-making and confidence. Specifically, our behavioral results and computational model suggest that perceptual ability is independent of processing time, indicating that changes in early cortical representations are effective, and learning changes decision criteria to convey choice and confidence. 相似文献
63.
Karen M. Douglas Robbie M. Sutton Mitchell J. Callan Rael J. Dawtry Annelie J. Harvey 《Thinking & reasoning》2016,22(1):57-77
We hypothesised that belief in conspiracy theories would be predicted by the general tendency to attribute agency and intentionality where it is unlikely to exist. We further hypothesised that this tendency would explain the relationship between education level and belief in conspiracy theories, where lower levels of education have been found to be associated with higher conspiracy belief. In Study 1 (N = 202) participants were more likely to agree with a range of conspiracy theories if they also tended to attribute intentionality and agency to inanimate objects. As predicted, this relationship accounted for the link between education level and belief in conspiracy theories. We replicated this finding in Study 2 (N = 330), whilst taking into account beliefs in paranormal phenomena. These results suggest that education may undermine the reasoning processes and assumptions that are reflected in conspiracy belief. 相似文献
64.
Emanuela Saita Chiara Zuliani Martina Tramontano George A. Bonanno 《World Futures: Journal of General Evolution》2016,72(5-6):254-265
This article follows a previous study that has recently been published in Narrare I Gruppi and explored the reasons for the large numeric gap between the regions of the North and South of Italy, referring to the breast cancer screening program adherence rate sponsored by the Italian Healthcare System, that addresses all women living in Italy ranging in age between 48 and 69 years, and proposes a free mammogram every two years. The effectiveness of cancer early detections has been widely demonstrated by medical research; this kind of diagnosis is particularly important in the case of breast cancer. A diagnosis of this form of cancer at its early phases in 97% of cases allows women to survive at least five years after it. However, the different level of trust women feel for healthcare structures is the discriminating element between the North and South of Italy for their access to the screening program. This topic will be thoroughly analyzed by presenting the results of research aimed at evaluating the meaning given to the outcomes of a first exploratory study, this second study also offers the opportunity to share our results within the social context that has generated them. The outcomes of the present research have been presented to a group of “privileged witnesses” living in the South (Naples and its surroundings): 12 women aging from 49 to 65, and 5 healthcare workers (one doctor, 25 two nurses, and two Local Health Authority supervisors); they took part in three Focus Groups for an in-depth look of the theme in question. The analyses of the groups' debates, carried out by means of a software for text analysis (T-LAB), confirmed the results of the previous research: the diffidence and lack of synergy between institutions and healthcare workers are the causes of southern women's lack of participation to the breast cancer screening program. In particular, the comparison between women's and workers' viewpoints shows a different emotional connotation about the possibility to improve participation to the screening: the workers' optimism countervails women's distrust and pessimism. 相似文献
65.
66.
Hyisung C. Hwang David Matsumoto Vincent Sandoval 《Journal of Investigative Psychology & Offender Profiling》2016,13(1):56-69
A recent study showed that specific linguistic and grammatical features of a technique commonly referred to as statement analysis are applicable across different language groups. One limitation of that study was that it used an eyewitness crime video paradigm, which might be different from writing a statement after committing an actual criminal act. We remedied that limitation by using a mock crime paradigm. In this study, three language groups (English, Spanish, and Chinese) produced statements after committing a mock crime, taking a check, in an experimental context. Certain linguistic features significantly discriminated truths from lies similarly across the different language groups, suggesting that statement analysis might be applicable as a reliable indicator of deception across languages. Copyright © 2015 John Wiley & Sons, Ltd. 相似文献
67.
Atanaska Nikolova 《Quarterly journal of experimental psychology (2006)》2016,69(7):1426-1437
We used a colour change-detection paradigm where participants were required to remember colours of six equally spaced circles. Items were superimposed on a background so as to perceptually group them within (a) an intact ring-shaped object, (b) a physically segmented but perceptually completed ring-shaped object, or (c) a corresponding background segmented into three arc-shaped objects. A nonpredictive cue at the location of one of the circles was followed by the memory items, which in turn were followed by a test display containing a probe indicating the circle to be judged same/different. Reaction times for correct responses revealed a same-object advantage; correct responses were faster to probes on the same object as the cue than to equidistant probes on a segmented object. This same-object advantage was identical for physically and perceptually completed objects, but was only evident in reaction times, and not in accuracy measures. Not only, therefore, is it important to consider object-level perceptual organization of stimulus elements when assessing the influence of a range of factors (e.g., number and complexity of elements) in visuospatial short-term memory, but a more detailed picture of the structure of information in memory may be revealed by measuring speed as well as accuracy. 相似文献
68.
Stephen Rhodes Nelson Cowan 《British journal of psychology (London, England : 1953)》2019,110(2):449-460
This special issue of the British Journal of Psychology brings together cutting edge research on a range of topics in visual working memory (VWM). In this commentary, we attempt to summarize common themes in current VWM research exemplified in this issue. The articles include several reviews of important topics as well as empirical papers covering three main themes. The first concerns the nature of mental representations of memoranda in the commonly used delayed estimation task, where both fine‐grained and broad categorical details appear to be represented, and their susceptibility to interference. The second concerns interactions between VWM representations, both those that produce individuation of representations and those that create an overarching ensemble structure. Finally, the third main topic concerns the use of VWM during visual search and in the learning of repeated configurations in search displays. The work presented here, and other work in the field, points to a rich interplay between representations in VWM but also between VWM and information in long‐term memory. Opportunities for further investigation are highlighted throughout. 相似文献
69.
Christel Devue 《British journal of psychology (London, England : 1953)》2019,110(3):483-485
In this commentary, I will expand on three aspects suggested by Ramon et al. (2019, British Journal of Psychology, 110, 461) to improve the predictive value of laboratory‐based tasks in real‐world applications. There are potential benefits that may arise from three interrelated considerations, particularly in terms of predicting agents’ susceptibility to errors in operational settings. The first is a proposal to conduct a detailed examination of performance on face processing tests rather than only analysing overall accuracy scores. The second involves considering non‐face‐related cognitive and meta‐cognitive sub‐processes involved in face processing tasks. The third highlights the contribution of superior recognisers in creating challenging tests that simulate difficult real‐world situations. 相似文献
70.
Differential rater functioning (DRF) occurs when raters show evidence of exercising differential severity or leniency when scoring examinees within different subgroups. Previous studies of DRF have examined rater bias using manifest variables (e.g., use of covariates) to determine the subgroups. These manifest variables include gender and the ethnicity of the examinee. For example, a rater may score males more severely. Ideally, each rater’s severity should be invariant across subgroups. This study examines DRF in the context of latent subgroups that classify possible sources of DRF based on raters’ scoring behavior rather than manifest factors. An extension of the latent class signal detection theory (LC-SDT) model for identifying DRF is proposed and examined using real-world data and simulations. Results from real-world data show that the signal detection approach leads to an effective method to identify latent DRF. Simulations with varying sample sizes and conditions of rater precision were shown to recover parameters at an adequate level, supporting its use to identify latent DRF in large-scale data. These findings suggest that the DRF extension of the LC-SDT can be a useful model to examine characteristics of raters and add information that can aid rater training. 相似文献