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11.
Marre Lammers Wim Bernasco Henk Elffers 《Journal of Investigative Psychology & Offender Profiling》2012,9(1):13-29
Why is it that some serial offenders are arrested quickly and others only after a long period, or never at all? What characterises offenders who continue to escape arrest despite their continued involvement in crime? To be able to answer these questions, arrested (identified) offenders must be compared with never arrested (unidentified) offenders. In this paper, data from the Dutch DNA database are used to assess which characteristics of the criminal behaviour of unidentified offenders influence the probability that they will subsequently be arrested. DNA data offer a unique opportunity to compare crime series of identified offenders with crime series of yet unidentified offenders. Using the Cox proportional hazards model, we tested whether the number of crimes committed, offence specialization, and offence seriousness affect the probability of arrest of serial offenders. Results showed that as an offender commits more crimes, the probability that he will be arrested increases and that offence specialization decreases the probability of arrest. Another conclusion drawn is that DNA traces offer unique opportunities for criminological research. We discuss the limitations of this new data source and make suggestions for future research using DNA traces and for future research that might improve the current study. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
12.
The focus of the present article was to analyze processes that determine the enactment and age effect in a multi-trial free recall paradigm by looking at the serial position effects. In an experimental study (see Schatz et al 2010), the performance-enhancing effect of enactive encoding and repeated learning was tested with older and younger participants. As expected, there was a steady improvement of memory performance as a function of repeated learning regardless of age. In addition, enactive encoding led to a better memory performance than verbal encoding in both age groups. Furthermore, younger adults outperformed the elderly regardless of type of encoding. Analyses in the present article show that encoding by enacting seems to profit especially from remembering the last items of a presented list. Regarding age differences, younger outperformed older participants in nearly all item positions. The performance enhancement after task repetition is due to a higher amount of recalled items in the middle positions in a subject performed task (SPT) and a verbal task (VT) as well as the last positions of a learned list in VT. 相似文献
13.
Unravelling Crime Series Patterns amongst Serial Sex Offenders: Duration,Frequency, and Environmental Consistency 下载免费PDF全文
Nadine Deslauriers‐Varin Eric Beauregard 《Journal of Investigative Psychology & Offender Profiling》2014,11(3):253-275
Crime linkage and the investigation of behavioural consistency amongst serial offenders has been a flourishing field of research over the past decade or so, especially with respect to serial sex offenders. The emerging research in this field has often portrayed serial sex offenders as a single, distinct, and homogeneous group. Such an assumption, however, has never been empirically examined. Using a criminal career approach and a sample of 72 serial sex offenders who have committed a total of 361 sexual assaults on stranger victims, the current study aims to examine and describe subgroups of crime series patterns amongst serial sex offenders in terms of duration and frequency of offending. The level of environmental consistency display (i.e. offender's choice of crime location and characteristics of the crime site selected) across subgroups of crime series patterns is also examined. Study findings suggest the presence and heterogeneity of crime series patterns amongst serial sex offenders, advocating for the consideration of subgroups of crime series patterns when studying serial sex offenders. Moreover, the offenders' level of environmental consistency varies across the different crime series patterns identified, allowing for the identification of subgroups of offenders showing a higher or lower level of environmental consistency. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
14.
Richard Tindle Mitchell G. Longstaff 《Advances in cognitive psychology / University of Finance and Management in Warsaw》2015,11(4):147-155
Previous research has assumed that writing is a cognitively complex task, but has
not determined if writing overloads Working Memory more than reading and
listening. To investigate this, participants completed three recall tasks. These
were reading lists of words before recalling them, hearing lists of words before
recalling them, and hearing lists of words and writing them as they heard them,
then recalling them. The experiment involved serial recall of lists of 6 words.
The hypothesis that fewer words would be recalled overall when writing was
supported. Post-hoc analysis revealed the same pattern of results at individual
serial positions (1 to 3). However, there was no difference between the three
conditions at serial position 4, or between listening and writing at positions 5
and 6 which were both greater than recall in the reading condition. This
suggests writing overloads working memory more than reading and listening,
particularly in the early serial positions. The results show that writing
interferes with working memory processes and so is not recommended when the goal
is to immediately recall information. 相似文献
15.
Although the Serial Reaction-Time Task has been an effective tool in studying procedural learning, there is still a debate as to whether learning in the task is effector-based, stimulus-based, or response-based. In this article, the authors contribute to this debate by contrasting response- and stimulus-based learning by manipulating them selectively and simultaneously. Results show that (a) participants learned response sequences in the absence of stimulus-specific perceptual sequence information but (b) not stimulus sequences without corresponding response information. In a third condition, response sequence and stimulus frequency information were in conflict, and each effect decreased learning in the other domain. Overall, our findings show that learning in these tasks is primarily motor-based, but it is also constrained by relatively salient perceptual information. Together with earlier findings in the literature, the findings also suggest a task and stimulus-arrangement-specific interaction between motor and perceptual learning, where relevance and salience of the specific information plays a crucial role. 相似文献
16.
Frank M. Lachmann PhD 《International Forum of Psychoanalysis》2013,22(3-4):162-165
Abstract Violations of expectations provide a motive for both creativity and perversion. The term “violations of expectations,” derived from empirical studies of early development, includes surprise, shock, betrayals of trust, as well as the possession of extraordinary talents. In the creative area, violations of expectations are illustrated through aspects of the life and work of Marc Chagall and Richard Wagner, and in perversion through the lives and actions of serial killers. Lachmann FM. Kreativität, Perversion und die Verletzungen von Erwartungen Verletzungen von Erwartungen liefern ein Motiv für beides: Kreativität und Perversion.Diese Benennung, aus empirischen Untersuchungen früher Entwicklung abgeleitet, schließt sowohl Überraschung, Schock, Verrat von Vertrauen ein wie auch die Verfügung über außergewöhnliche Talente. Im kreativen Bereich werden Verletzungen von Erwartungen durch Aspekte von Leben und Werk von Chagall und Richard Wagner illustriert und im Bereich der Perversionen durch Leben und Aktionen von Serien-Mördern. Lachmann FM. Creatividad, perversión y violación de las expectativas. La violación de las expectativas provee un motivo para ambas, la creatividad y la perversión. Este término, derivado de estudios empíricos sobre el desarrollo temprano, incluye sorpresa, shock, revelación de la verdad, así como la posesión de talentos extraordinarios. En la creativa violación de expectativas se ilustran aspectos de la vida y del trabajo de Marc Chagall y Richard Wagner y en la perversión a través de sus vidas y acciones de asesinos en serie. 相似文献
17.
The perception of target events presented in a rapid stream of non-targets is impaired for early target positions, but then gradually improves, a phenomenon known as attentional awakening. This phenomenon has been associated with better resource allocation. It is unclear though whether improved resource allocation and attentional awakening are a consequence of the temporal context, that is, the position of the target event in the stimulus stream, or are due to a simple expectancy or foreperiod effect. Expectancy is an alternative explanation of attentional awakening because it depends on the a posteriori probabilities, which will increase with target position when all target positions are equally likely. To differentiate between the expectancy and the temporal context account the a priori (objective) probability of target position was defined such that the a posteriori probability would be high for early and late, and low for intermediate target positions. EEG was collected and the P3 ERP evoked by target events was derived as an indicator of resource allocation. A robust attentional awakening effect was observed. The relationships between measures of performance and P3 amplitude, and respectively target position, a priori, and a posteriori probability were analyzed. Results showed that in contrast to target position, a posteriori probability had little impact on performance and did not moderate the association between P3 amplitude and performance. Results also indicated that in spite of the evident role of target position on resource allocation and the perception of target events in rapid stimulus streams, target position is likely not the only variable these are affected by. Nevertheless, the findings of the present study suggest that whereas the temporal context of a rapid serial event is a key player for resource allocation to and perception of the event, expectancy seems of very little consequence. 相似文献
18.
Marco Fabbri Nicola Cellini Monica Martoni Lorenzo Tonetti Vincenzo Natale 《Cognitive Science》2013,37(7):1228-1250
The spatial‐temporal association indicates that time is represented spatially along a left‐to‐right line. It is unclear whether the spatial‐temporal association is mainly related to a perceptual or a motor component. In addition, the spatial‐temporal association is not consistently found using a time reproduction task. Our rationale for this finding is that, classically, a non‐lateralized button for performing the task has been used. Using two lateralized response buttons, the aim of the study was to find a spatial‐temporal association in a time reproduction task. To account for the perceptual component, reference and target stimuli were presented in different spaces through four experiments. In all experiments, a Spatial‐Temporal Association of Response Codes (STEARC) effect was found and this effect was not modulated by the spatial position of both reference and target stimuli. The results suggested that the spatial‐temporal association was mainly derived from the spatial information provided by response buttons, reflecting a motor but not visuospatial influence. 相似文献
19.
Amy M. Clements-Stephens Gisselle O. McKell-Jeffers Jean-Marie Maddux Amy L. Shelton 《Visual cognition》2013,21(7):886-909
People have a tendency to organize space by extracting meaningful shapes from the configuration of elements. However, research on spatial correspondence in children suggests that when configural processing is difficult, individuation of elements may be critical. To begin to address the distinction between the use of configurations and individuation, and changes associated with age, we relied upon perceptual grouping and manipulated the colour of the displays—promoting either extraction of configural information (monochromatic) or individuation of elements (multicoloured). In a layout reproduction task (Experiments 1 and 2), children showed a robust advantage for multicoloured arrays, whereas adults showed an attenuated advantage for monochromatic displays. Visual discrimination in adults (Experiment 3) revealed that the influence of the display type occurs at the level of perception. Taken together, these results suggest that there are (at least) two routes to establishing spatial correspondence in arrays of elements, with differential dependence over development. 相似文献
20.
This study aimed to investigate what conditions can lead to a bias for communicating stereotype inconsistent (SI) information, relative to stereotype consistent (SC) information. Sixty‐three undergraduate university students (22 males, 41 females; Mage = 21.25) read a story about an Arab man who exhibited characteristics consistent and inconsistent with the stereotype of Arab men. The story was transmitted through 21 three‐person communication chains; each participant rewrote the story from memory for the next person in the chain to read, with only the first participant in each chain reading the original story. As hypothesized, when a surprising category conjunction was formed by pairing the primary stereotype (Arab men) with a secondary stereotype of a contradictory nature (kindergarten teachers), SC information was circulated less than SI information. This was also the case when a causal explanation was provided that accounted for the unexpected SI information. Findings indicate the potential of techniques that elicit cognitive elaboration of SI information to encourage an SI bias in communication, and show promise for exploring ways to reduce the impact of negative stereotypical information in the long term. 相似文献