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51.
52.
Birgitta Falk Henry Montgomery 《Transportation Research Part F: Traffic Psychology and Behaviour》2009,12(1):1-11
Previous research in social psychology has brought about significant changes in attitudes and behaviour by merely asking respondents to imagine, or reflect, on a phenomenon and arrive at their own conclusions. To test the potential of such interventions in the traffic safety area, an experiment comprising 353 young men 18–23 years old with a driver’s licence was conducted. Two experimental groups were induced to imagine a severe accident scenario and to visualize their feelings and the consequences on their future lives. A control group was interviewed about neutral issues. Attitudes towards risk-taking were measured post-intervention and at follow-up. The experimental groups showed more “ideal” attitudes than the control group post-intervention. At follow-up the attitudes of the experimental group remained unchanged, whereas the control group had changed towards more “ideal” attitudes. Self-reported risk-taking behaviour was measured pre-intervention and at follow-up. At follow-up all groups reported significantly less risk-taking behaviour than at pre-intervention. It is suggested that answering the questionnaires increased mental elaboration concerning risky driving, and it is concluded that interventions that unobtrusively make drivers reflect on their driving should be explored further as a means to promote traffic safety. 相似文献
53.
Because child abuse victims are often the only available sources of information about their experiences, extensive efforts have been made to understand how to maximize their informativeness. There is now broad international consensus regarding optimal interview practices, and broad awareness that children's informativeness increases when interviewers conduct developmentally appropriate interviews with children. In this paper, we (1) summarize current understanding of how children remember, retrieve, and communicate information and (2) discuss ways in which children's memory and reporting can be fostered using techniques designed to help children recount past experiences such as the Cognitive Interview, the Narrative Elaboration Technique, and the National Institute of Child Health and Human Development‐Protocol. Communicative success clearly depends on how well children understand their role and how effectively interviewers take advantage of children's competencies and abilities to help them maximize their informativeness. Unfortunately, agreement regarding ways in which interviews should be conducted has not been paralleled by changes in the way interviews are actually conducted in the field and more attention thus needs to be paid to training and implementation. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
54.
Edward D. Barker Henrik Larsson Essi Viding Barbara Maughan Fruhling Rijsdijk Nathalie Fontaine Robert Plomin 《Journal of psychopathology and behavioral assessment》2009,31(4):299-308
Although both aggressive (AGG) and deceitful behaviors (DEC) are symptoms of childhood conduct problems, few studies have
examined common vs. specific etiological influences. Early intervention is encouraged for conduct problems and findings from
genetically informative studies can suggest whether interventions should focus on conduct problems in general or groupings
of conduct problems more specifically. Twin model-fitting analyses were conducted on same and different teacher ratings of
AGG and DEC for 872 9-year old male twin pairs. Common genetic influences were found to underlie the susceptibility for both
AGG and DEC. The same teacher ratings resulted in somewhat higher heritability estimates than different teacher ratings. Results
also indicated stronger environmental effects for DEC as compared with AGG, with a significant shared environmental component
for same teachers and a substantial non-shared environmental component for different teachers. Our data suggest that AGG and
DEC share risk genes and environmental factors may differentiate these two types of conduct problems. Characterizing these
specific environmental factors may be useful when developing interventions. 相似文献
55.
Birgitta Dresp 《Attention, perception & psychophysics》1992,52(5):562-570
In two experiments, brightness enhancement of the illusory surface in the Kanizsa square was investigated by means of a brightness matching procedure. The results show that specific properties of the inducing elements such as size, spacing, and luminance have effects on the matching threshold that are similar to those previously obtained in experiments on simultaneous con trast. The data from a third experiment demonstrate that increment thresholds measured within the Kanizsa square are elevated when the target is flashed on a position close to the inducing elements. The thresholds decrease considerably in the center of both test and control figures (representing or not representing an illusory square). These observations suggest that low-level mechanisms are likely to explain local brightness differences within the configurations but not global figure brightness. In other words, local contrast seems to generate brightness information that “sketches out” surfaces at their surrounds but does not “fill” them “in.” 相似文献
56.
Birgitta Berglund 《International journal of psychology》1977,12(2):111-123
Psychological scaling methods can be applied and can bring substantial knowledge to bear upon problems within the realm of environmental hygiene. Methodological issues related to the possibility of obtaining calibrated scales of perceptual variables such as discomfort, annoyance, and unpleasant odors are critical when the scale values are to be entered into a physical pollution index or a perceived environmental quality index, both being applied in the form of norms or recommendations. The level of measurement (ordinal, interval, or ratio scale) is related to the question of calibration of scales. From a practical point of view, the effects of observer-environment dependence are important to disguise in the scale values. Problems having to do with calibration of scales and with application of knowledge about perceptual processes to the scales are being explored in ongoing research projects. These include the measurement of temperature discomfort in different climates and the measurement of annoyance in areas with different noise exposures. Attempts have been made to solve an odorous air pollution problem with psychological measurements. 相似文献
57.
The psychopathic personality can be conceptualized as three interrelated dimensions, (a) an interpersonal style of glibness, grandiosity, and manipulation; (b) an affective disposition of callousness, lack of empathy, and unemotionality; and (c) a behavioral/lifestyle dimension of impulsivity, need for stimulation, and irresponsibility, underpinning a higher order construct, psychopathic personality. The authors used a self-report questionnaire (The Youth Psychopathic Traits Inventory) to study the importance of genetic and environmental influences on psychopathic personality traits in a sample of 1,090 monozygotic and dizygotic twin pairs, aged 16-17 years. Results showed a strong genetic influence behind the higher order "psychopathic personality" factor, underpinned by the three psychopathic personality dimensions. Over and above the effects to the higher order factor, significant unique genetic influences were also found in the callous/unemotional and in the impulsive/irresponsible dimension, but not in the grandiose/manipulative dimension. The authors propose that this latent psychopathic personality factor is a meaningful target for future etiological research. 相似文献
58.
In the two experiments, the use of a psychophysical procedure of brightness/darkness cancellation shed light on interactions between spatial arrangement and figure-ground contrast in the perceptual filling in of achromatic and colored surfaces. Achromatic and chromatic Kanizsa squares with varying contrast, contrast polarity, and inducer spacing were used to test how these factors interact in the perceptual filling in of surface brightness or darkness. The results suggest that the neuronal processing of surfaces with apparent contrast, leading to figure-ground segregation (i.e., perceptual organization), is governed by mechanisms that integrate both luminance contrast and spatial information carried by the inducing stimuli, while discarding information on contrast polarity or color. The findings are discussed in relation to earlier observations on brightness assimilation and contrast. They support theories of nonantagonistic neural mechanisms suppressing local contrast or color signs in brightness-based figure-ground percepts. Such mechanisms might be necessary to cancel potentially conflicting polarities in geometrically complex visual stimuli so that perceptual filling in resulting in the most plausible representation of figure and ground can be achieved. 相似文献
59.
The first aim of this study was to estimate the prevalence of anxiety and DSM-related anxiety symptom-clusters among adolescents (13-19 years of age) in middle Norway. A second aim was to examine the developmental trajectories of anxiety symptoms for boys and girls during adolescence. In a cross-sectional study, 1,802 students in junior high schools and high schools in the Mid-Norway Health Region filled out a questionnaire (a response-rate of 77%) including the SCARED self-report form (Birmaher et al., 1997) during one school hour. In line with findings of previous studies, girls reported higher anxiety-levels than did boys. A large gender-specific increase in anxiety in 14-15-year-old girls was also found. Apart from this age-specific effect, the results indicated a general reduction in anxiety during adolescence for all symptom groups except generalized anxiety and school phobia. The high anxiety levels in girls aged 13 to 14 years implicate a need for caution by clinicians because such high anxiety levels may be mistaken for the existence of an anxiety disorder. The rapid increase in anxiety symptoms among girls in early adolescence may reflect a heightened sensitivity in this age group, and may have implications for when to implement secondary prevention programs. 相似文献
60.
Cecilia Nakeva von Mentzer Björn Lyxell Birgitta Sahlén Örjan Dahlström Magnus Lindgren Marianne Ors Petter Kallioinen Inger Uhlén 《Scandinavian journal of psychology》2014,55(5):448-455
The present study examined computer‐assisted reading intervention with a phonics approach for deaf and hard of hearing (DHH) children in Sweden using cochlear implants or hearing aids, or a combination of both. The study included 48 children, 5, 6 and 7 years of age. Sixteen children with normal hearing (NH) served as a reference group. The first purpose of the study was to compare NH and DHH children's reading ability at pre and post‐intervention. The second purpose was to investigate effects of the intervention. Cognitive and demographic factors were analyzed in relation to reading improvement. Results showed no statistically significant difference for reading ability at the group level, although NH children showed overall higher reading scores at both test points. Age comparisons revealed a statistically significant higher reading ability in the NH 7‐year‐olds compared to the DHH 7‐year‐olds. The intervention proved successful for word decoding accuracy, passage comprehension and as a reduction of nonword decoding errors in both NH and DHH children. Reading improvement was associated with complex working memory and phonological processing skills in NH children. Correspondent associations were observed with visual working memory and letter knowledge in the DHH children. Age was the only demographic factor that was significantly correlated with reading improvement. The results suggest that DHH children's beginning reading may be influenced by visual strategies that might explain the reading delay in the older children. 相似文献