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161.
Impulsiveness is increasingly gaining attention as a potential risk factor for various mental disorders. Until now, there have been German instruments that allowed for assessing adolescents' self-reported impulsiveness multi-dimensionally. The present study examined the German version of the Barratt Impulsiveness Scale-11 (BIS-11) for adolescents. The instrument was completed by 659 adolescents ages 10 to 20 years; 98 were retested after 6 months. Items showed adequate psychometric properties. An exploratory factor analysis identified three factors that showed slightdifferences from the initial questionnaire proposed by Barratt. The factors showed low to moderate intercorrelations, satisfactory internal consistency (dependent on factor), and were stable over time. Convergent validity was ascertained, and the item pool showed sufficient power to discriminate adolescents with symptoms of attention deficit hyperactivity disorder and those with loss of eating control from healthy adolescents. Findings suggest that the German BIS-11 is appropriate for reliable investigation of impulsiveness in adolescents. Future research should examine sensitivity as a screening tool, as well as sensitivity to change. 相似文献
162.
Dick DM Meyers JL Latendresse SJ Creemers HE Lansford JE Pettit GS Bates JE Dodge KA Budde J Goate A Buitelaar JK Ormel J Verhulst FC Huizink AC 《Psychological science》2011,22(4):481-489
Psychologists, with their long-standing tradition of studying mechanistic processes, can make important contributions to further characterizing the risk associated with genes identified as influencing risk for psychiatric disorders. We report one such effort with respect to CHRM2, which codes for the cholinergic muscarinic 2 receptor and was of interest originally for its association with alcohol dependence. We tested for association between CHRM2 and prospectively measured externalizing behavior in a longitudinal, community-based sample of adolescents, as well as for moderation of this association by parental monitoring. We found evidence for an interaction in which the association between the genotype and externalizing behavior was stronger in environments with lower parental monitoring. There was also suggestion of a crossover effect, in which the genotype associated with the highest levels of externalizing behavior under low parental monitoring had the lowest levels of externalizing behavior at the extreme high end of parental monitoring. The difficulties involved in distinguishing mechanisms of gene-environment interaction are discussed. 相似文献
163.
It has been suggested that the mental representation of numbers is spatial in nature such that numbers are ordered on a mental
number line. In the present investigation we use a variant of the Eriksen flanker task requiring a magnitude decision (smaller
or larger than 5) for a central target number by pressing a response button with the right or left hand. The target number
is flanked by irrelevant distracters that are either identical to the target, different from the target but biasing the same
response, or different from the target and biasing a different response. Response latencies and event-related brain potentials
were obtained in a group of healthy adults. Besides the typical response congruency effects on response latency and the N2
component of the ERP, we observed several other effects. First, numerical distance of the target to the standard 5 influenced
decision latencies and amplitude and latency of the P3 component with smaller distances leading to longer decision latencies,
longer P3 latencies and smaller P3 amplitudes. Second, smaller numerical distance between target and distracters led to faster
decisions for response congruent and to slower decisions for response-incongruent trials. For response-incongruent trials
P3 amplitude was small/large and P3 latency was long/short for small/large distances. These findings underscore the spatial
character of number representation and further show that the relation between targets and distracters, although task irrelevant,
is assessed automatically with facilitatory and inhibitory effects driven by spatial distance on the mental number line. 相似文献
164.
Lucia Zivcakova Eileen Wood Gail Forsyth Navinder Dhillon Danielle Ball Brittany Corolis Amanda Coulas Stephen Daniels Joshua Hill Anja Krstic Amy Linseman Marjan Petkovski 《Journal of Academic Ethics》2012,10(2):137-150
A peer instruction model was used whereby 78 residence dons (36 males, 42 females) provided instruction regarding academic integrity for 324 students (125 males, 196 females) under their supervision. Quantitative and qualitative analyses were conducted to assess survey responses from both the dons and students regarding presentation content, quality, and learning. Overall, dons consistently identified information-based slides about academic integrity as the most important material for the presentations, indicating that fundamental information was needed. Although student ratings of the usefulness of the presentations were middling, students did indicate knowledge gains. Both interest and personal value for academic integrity were highly predictive of positive evaluations of the presentations. Dons and students provided suggestions for improvement and identified more global concerns. 相似文献
165.
Nenad Jakšić Goran Milas Ena Ivezić Anja Wertag Nataša Jokić-Begić Aaron L. Pincus 《Journal of psychopathology and behavioral assessment》2014,36(4):640-652
The Pathological Narcissism Inventory (PNI) is a recently developed measure for assessing grandiose and vulnerable themes of narcissistic pathology. The aim of this study was to validate the PNI in the transitional post-war Croatian society by examining its psychometric properties and factor structure in a sample of Croatian university students (N?=?651). The participants filled out several self-report measures of narcissism, as well as measures of trait emotional stability and negative emotional states. Findings of this study supported the existence of seven first-order and two second-order factors of the PNI, invariant across genders. Additionally, all the subscales had good reliability coefficients, while the associations with other measures supported the concurrent validity of the instrument. These findings support the use of the PNI in a transitional post-war society and emphasize certain aspects of cross-cultural stability of pathological narcissism, although some cross-cultural variants should be considered when applying this measure in different cultural settings. 相似文献
166.
A new 3-stage model based on neuroimaging evidence is proposed by Chein and Schneider (2012). Each stage is associated with different brain regions, and draws on cognitive abilities: the first stage on creativity, the second on selective attention, and the third on automatic processing. The purpose of the present study was to scrutinize the validity of this model for 1 popular learning paradigm, visuomotor adaptation. Participants completed tests for creativity, selective attention and automated processing before attending in a pointing task with adaptation to a 60° rotation of visual feedback. To examine the relationship between cognitive abilities and motor learning at different times of practice, associations between cognitive and adaptation scores were calculated repeatedly throughout adaptation. The authors found no benefit of high creativity for adaptive performance. High levels of selective attention were positively associated with early adaptation, but hardly with late adaptation and de-adaptation. High levels of automated execution were beneficial for late adaptation, but hardly for early and de-adaptation. From this we conclude that Chein and Schneider's first learning stage is difficult to confirm by research on visuomotor adaptation, and that the other 2 learning stages rather relate to workaround strategies than to actual adaptive recalibration. 相似文献
167.
The hardness of deformation-induced α’- martensite and parent austenitic matrix in high-alloy CrMnNi steel was investigated by nanoindentation measurements inside scanning electron microscope using picoindenter. After the indentation, the microstructure was investigated by electron backscattered diffraction measurements. The hardness values for α’-martensite are only 24% higher than those of austenite. Thus, the increase in strength during the formation of deformation-induced α’-martensite is rather caused by the small grain size of α’-nuclei resulting in a dynamic Hall–Petch effect than by its “intrinsic” hardness. 相似文献
168.
Visual perception of human actions was investigated in a long-term priming experiment. On each trial in the priming phase, participants were presented with a pair of short motion animations showing a person performing a particular whole body movement and had to decide whether the actions were the same or different. In the testing block, the same observers had to determine whether static pictures of a human model showed a possible or an impossible body pose. For each test posture, a subject either (1) had seen a priming animation in which the actor would have reached the test posture if the animation had lasted longer, (2) had seen an animation in which the actor would have been in the test posture if the animation had started earlier, or (3) had not seen a related priming animation. Reliable facilitatory priming effects were obtained only when the test posture was preceded by a motion sequence that would have resulted in the test posture if the human model had continued the action. The findings support the hypothesis that, when confronted with a human action, observers anticipate the future posture of the actor and that this anticipation facilitates later identification of the posture. 相似文献
169.
The identification of human actions and body postures viewed from different viewpoints was examined in four long-term priming experiments with static pictures of a human model. In Experiments 1 and 2 participants had to name or describe the pictures, and in Experiments 3 and 4 participants had to decide whether the pictures showed a possible or impossible body pose. Reliable priming effects were obtained only when priming and primed action or pose shared the same in-depth orientation (Experiments 1 and 4) and left-right reflection (Experiments 2 and 3). Having seen the same action or pose in a different orientation did not reliably facilitate identification performance later on. Also, there was no priming for poses that are impossible to perform with a human body, not even when an identical same-view prime was used. These findings suggest that the stored representations that mediate the identification of human actions and postures are viewpoint specific. 相似文献
170.
Anja Van den Broeck Joris Van Ruysseveldt Peter Smulders Hans De Witte 《European Journal of Work and Organizational Psychology》2013,22(5):581-609
Based on assumptions of the Job Demands–Resources model and the Person–Environment fit literature, the present research conceptualizes an intrinsic relative to an extrinsic work value orientation as a personal resource. We examine whether such an orientation may strengthen the relations of classical job resources (i.e., autonomy and learning opportunities) with well-being outcomes. The results in a large, representative sample of Dutch employees (N = 4009) show that a predominant intrinsic work orientation strengthened the negative association of learning opportunities with emotional exhaustion as well as the buffering role of autonomy for the health-impairing impact of workload. With respect to work engagement, a predominant intrinsic work orientation strengthened the positive association of autonomy, the expected boosting impact of workload on the stimulating association of autonomy, as well as the—rather unexpected—attenuating impact of workload on the positive association of learning opportunities with work engagement. Although not all hypotheses were confirmed, in general, results point at the importance and practical relevance of personal resources in the realm of the Job Demands–Resources model. 相似文献