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81.
We examined measurement invariance and age-related robustness of a short 15-item Big Five Inventory (BFI-S) of personality dimensions, which is well suited for applications in large-scale multidisciplinary surveys. The BFI-S was assessed in three different interviewing conditions: computer-assisted or paper-assisted face-to-face interviewing, computer-assisted telephone interviewing, and a self-administered questionnaire. Randomized probability samples from a large-scale German panel survey and a related probability telephone study were used in order to test method effects on self-report measures of personality characteristics across early, middle, and late adulthood. Exploratory structural equation modeling was used in order to test for measurement invariance of the five-factor model of personality trait domains across different assessment methods. For the short inventory, findings suggest strong robustness of self-report measures of personality dimensions among young and middle-aged adults. In old age, telephone interviewing was associated with greater distortions in reliable personality assessment. It is concluded that the greater mental workload of telephone interviewing limits the reliability of self-report personality assessment. Face-to-face surveys and self-administrated questionnaire completion are clearly better suited than phone surveys when personality traits in age-heterogeneous samples are assessed. 相似文献
82.
Using exposure-based treatment for fear of heights, we tested two different manipulations, namely administering blocks of exposure trials on an expanding spaced schedule and varying the nature of the exposure, both of which have been shown to reduce return of fear [Rowe, M. K., & Craske, M. G. (1998a). Effects of an expanding-spaced versus massed exposure schedule on fear reduction and return of fear. Behaviour Research and Therapy, 36, 701-718; Rowe, M. K., & Craske, M. G. (1998b). Effects of varied-stimulus exposure training on fear reduction and return of fear. Behaviour Research and Therapy, 36, 719-734.]. The samples for these two studies included 23 and 34 undergraduates, respectively. Fear was assessed before, immediately after and one month after treatment using self-report and physiological measures. Study hypotheses were not strongly supported, but the manipulations did lead to different responses during treatment. The data suggest that physiological habituation is not necessary for fear reduction. Expanding spaced treatment may have increased generalization, and those in the constant and varied conditions responded to different aspects of the exposure. Reasons for the failure to replicate previous research and ideas for future research are discussed. 相似文献
83.
Parafoveal semantic processing of emotional visual scenes 总被引:2,自引:0,他引:2
Calvo MG Lang PJ 《Journal of experimental psychology. Human perception and performance》2005,31(3):502-519
The authors investigated whether emotional pictorial stimuli are especially likely to be processed in parafoveal vision. Pairs of emotional and neutral visual scenes were presented parafoveally (2.1 degrees or 2.5 degrees of visual angle from a central fixation point) for 150-3,000 ms, followed by an immediate recognition test (500-ms delay). Results indicated that (a) the first fixation was more likely to be placed onto the emotional than the neutral scene; (b) recognition sensitivity (A') was generally higher for the emotional than for the neutral scene when the scenes were paired, but there were no differences when presented individually; and (c) the superior sensitivity for emotional scenes survived changes in size, color, and spatial orientation, but not in meaning. The data suggest that semantic analysis of emotional scenes can begin in parafoveal vision in advance of foveal fixation. 相似文献
84.
Knowledge-based programs (KBPs) are a powerful notion for expressing action policies in which branching conditions refer to
implicit knowledge and call for a deliberation task at execution time. However, branching conditions in KBPs cannot refer
to possibly erroneous beliefs or to graded belief, such as
“if my belief that φ holds is high then do some action α else perform some sensing action β”.
The purpose of this paper is to build a framework where such programs can be expressed. In this paper we focus on the execution
of such a program (a companion paper investigates issues relevant to the off-line evaluation and construction of such programs).
We define a simple graded version of doxastic logic KD45 as the basis for the definition of belief-based programs. Then we
study the way the agent’s belief state is maintained when executing such programs, which calls for revising belief states
by observations (possibly unreliable or imprecise) and progressing belief states by physical actions (which may have normal
as well as exceptional effects).
* A premliminary and shorter version of this paper in the Proceedings of the 16th European Conference on Artificial Intelligence
(ECAI-04), pp. 368–372 (Laverny and Lang 2004). 相似文献
85.
van Lang ND Ferdinand RF Oldehinkel AJ Ormel J Verhulst FC 《Behaviour research and therapy》2005,43(11):1485-1494
This study investigated the concurrent validity of the DSM-IV scales Anxiety Problems and Affective Problems of the Youth Self-Report (YSR) in a community sample of Dutch young adolescents aged 10-12 years. We first examined the extent to which the YSR/DSM-IV scales reflect symptoms of DSM-IV anxiety disorders and DSM-IV Major Depressive Disorder, assessed with the Revised Child Anxiety and Depression Scale (RCADS). Second, we examined whether the association between the YSR/DSM-IV scales and the RCADS scales was stronger than the association between the empirically derived YSR narrow-band scales Anxious/Depressed and Withdrawn and the same RCADS scales. Results showed that the YSR/DSM-IV scale Affective Problems had a stronger association with symptoms of DSM-IV Major Depressive Disorder than the YSR narrow-band scales Withdrawn and Anxious/Depressed. However, the YSR/DSM-IV scale Anxiety Problems had a weaker association with symptoms of DSM-IV anxiety disorders, compared to the YSR narrow-band scale Anxious/Depressed. It was concluded that the construction of the DSM-IV scales improved the correspondence with DSM-IV Major Depressive Disorder, but not with DSM-IV anxiety disorders. 相似文献
86.
The authors tested the hypothesis that impaired behavioral performance during intoxication results partly from alcohol's deleterious effects on cognitive control. The impact of alcohol on perseverative behavior was examined with an n-back working memory task that included manipulations of task complexity and prepotency of inclinations to respond or withhold responding. Thirty-two social drinkers (16 men) participated in either an alcohol (.075g/100ml) or a no-alcohol condition. Alcohol increased perseveration of prepotent, task-inappropriate response patterns only under cognitively demanding (heavy memory load) conditions. This effect was evident for both commission errors (response persistence despite contingencies altered to require restraint) and omission errors (failure to respond when contingencies were revised to encourage action). Findings suggested that alcohol-induced perseveration arises from impairments in cognitive control. 相似文献
87.
Four actuarial instruments for the prediction of violent and sexual reoffending (the Violence Risk Appraisal Guide [VRAG], Sex Offender Risk Appraisal Guide [SORAG], Rapid Risk Assessment for Sex Offender Recidivism [RRASOR] and Static-99) were evaluated in 4 samples of sex offenders (N = 396). Although all 4 instruments predicted violent (including sexual) recidivism and recidivism known to be sexually motivated, areas under the receiver operating characteristic (ROC) were consistently higher for the VRAG and the SORAG. The instruments performed better when there were fewer missing items and follow-up time was fixed, with an ROC area up to .84 for the VRAG, for example, under such favorable conditions. Predictive accuracy was higher for child molesters than for rapists, especially for the Static-99 and the RRASOR. Consistent with past research, survival analyses revealed that those offenders high in both psychopathy and sexual deviance were an especially high-risk group. 相似文献
88.
The importance of kin relationships was investigated across adulthood with 5 samples (total N = 1,365). Within the personal networks, the genetic relatedness with relationship partners predicted subjective closeness (mean r = .50) and social support (mean r = .13). Effects were robust in 2 samples when controlling for residential proximity and contact frequency. These intraindividual correlations showed considerable variability and were interpreted as individual expressions of nepotism. The heritability of individual nepotism was zero. Variability of nepotism was unrelated to personality traits, but substantially related to sex, and parental and partner status. The authors discuss subjective closeness as 1 proximate cue to kinship, and suggest nepotistic adaptations as powerful mechanisms in social relationships. 相似文献
89.
90.
Joel Brockner Jeffrey Z Rubin Elaine Lang 《Journal of experimental social psychology》1981,17(1):68-79
Entrapping conflicts are those in which individuals: (1) have made substantial, unrealized investments in pursuit of some goal, and (2) feel compelled to justify these expenditures with continued investments, even if the likelihood of goal attainment is low. It was hypothesized that entrapment (i.e., amount invested) would be influenced by the relative importance individuals attach to the costs and rewards associated with continued investments. Two experiments tested the notion that entrapment would be more pronounced when costs were rendered less important (and/or rewards were made more important). In Experiment 1, half of the subjects were instructed beforehand of the virtues of investing conservatively (Cautious condition), whereas half were informed of the advantages of investing a considerable amount (Risky condition). Investments were more than twice as great in the Risky condition. Moreover, consistent with a face-saving analysis, (1) the instructions had a greater effect on subjects with high rather than low social anxiety, and (2) individuals with high social anxiety who participated in front of a large audience were more influenced by the instructions than were individuals with low social anxiety who participated in front of a small audience. In the second experiment, the importance of costs and rewards were varied in a 2 × 2 design. As predicted, subjects invested significantly more when cost importance was low rather than high. Contrary to expectation, reward importance had no effect. Questionnaire data from this study also suggested that entrapment was at least partially mediated by the participants' concern over the way they thought they would be evaluated. Theoretical implications are discussed. 相似文献