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181.
Eric A. Reavis Sebastian M. Frank Peter U. Tse 《Attention, perception & psychophysics》2018,80(5):1110-1126
Visual search is often slow and difficult for complex stimuli such as feature conjunctions. Search efficiency, however, can improve with training. Search for stimuli that can be identified by the spatial configuration of two elements (e.g., the relative position of two colored shapes) improves dramatically within a few hundred trials of practice. Several recent imaging studies have identified neural correlates of this learning, but it remains unclear what stimulus properties participants learn to use to search efficiently. Influential models, such as reverse hierarchy theory, propose two major possibilities: learning to use information contained in low-level image statistics (e.g., single features at particular retinotopic locations) or in high-level characteristics (e.g., feature conjunctions) of the task-relevant stimuli. In a series of experiments, we tested these two hypotheses, which make different predictions about the effect of various stimulus manipulations after training. We find relatively small effects of manipulating low-level properties of the stimuli (e.g., changing their retinotopic location) and some conjunctive properties (e.g., color-position), whereas the effects of manipulating other conjunctive properties (e.g., color-shape) are larger. Overall, the findings suggest conjunction learning involving such stimuli might be an emergent phenomenon that reflects multiple different learning processes, each of which capitalizes on different types of information contained in the stimuli. We also show that both targets and distractors are learned, and that reversing learned target and distractor identities impairs performance. This suggests that participants do not merely learn to discriminate target and distractor stimuli, they also learn stimulus identity mappings that contribute to performance improvements. 相似文献
182.
Emily Corner Paul Gill Ronald Schouten Frank Farnham 《Journal of personality assessment》2018,100(5):459-470
This article aims to move away from intuitive appeals that link mental disorder with violence such as terrorism, mass murder, and other targeted violence. The article synthesizes the existing evidence base regarding the relationship between mental disorders and personality traits and (a) attitudinal affinities with violent causes, and (b) a number of violent behaviors (including mass murder and terrorism). The evidence base is mixed and the research focus changed across time: from simple and unempirical assertions of causation to an almost complete rejection of their presence to a finer grained and disaggregated understanding. Empirical research examining mental disorder in crime and violence highlights that the commission of such events is a complex synthesis of psychopathology, personal circumstance, and environment. The article concludes with several suggestions regarding future research and practice. 相似文献
183.
Some necessary truths are a posteriori. That’s widely agreed and is presumed here. Their existence might appear to show that discoveries about how things are in fact—about how things actually are—can lead to discoveries about all the ways things might be, about the nature of logical space. I detail one way of resisting this conclusion for a number of examples, and the implications of Twin Earth for the issue. Central is the notion of a Cambridge discovery.
相似文献184.
Else E. de Vries Marina Verlinden Jolien Rijlaarsdam Vincent W. V. Jaddoe Frank C. Verhulst Louise Arseneault Henning Tiemeier 《Journal of abnormal child psychology》2018,46(7):1481-1496
Family adversity has been associated with children’s bullying behaviors. The evidence is, however, dominated by mothers’ perceptions of the family environment and a focus on mothers’ behaviors. This prospective population-based study examined whether children’s bullying behaviors were associated with mother- and father-reported family adversity, assessed before and after child birth. Peer-nominations were used to assess bullying behaviors of 1298 children in elementary school (mean age 7.5 years). The following paternal risk factors were prospectively associated with children’s bullying behaviors: (1) father-reported prenatal family distress, (2) fathers’ hostility at preschool age, and (3) fathers’ harsh disciplinary practices at preschool age, but effect sizes were relatively small. The effect of maternal risk factors was less consistent, only mother-reported family distress in childhood was associated with children’s bullying behaviors. The associations were independent of background family risk factors (i.e., life stress, contextual factors, and other background factors such as parental education and risk taking record) and early childhood externalizing problems. Moreover, our results indicated that father-reported family adversity predicted children’s bullying behaviors over and above the background family risk factors, early childhood externalizing problems and mother-reported family adversity. We also demonstrated that the association of fathers’ prenatal hostility and family distress with subsequent bullying behavior of their child at school was partly mediated by fathers’ harsh disciplinary practices at preschool age. Our findings highlight the importance of fathers’ behaviors in the development of children’s bullying behaviors. 相似文献
185.
Our Followers Are Lions,Theirs Are Sheep: How Social Identity Shapes Theories About Followership and Social Influence
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Niklas K. Steffens S. Alexander Haslam Jolanda Jetten Frank Mols 《Political psychology》2018,39(1):23-42
Two studies examine how self‐categorization theory can be used to refine our understanding of people's implicit theories about followership and social influence. Results from Study 1 show that perceivers regard followers of a group they themselves identify strongly with (rather than not at all) to be more representative of the prototype of effective followers (displaying enthusiasm, industry, good citizenship) and to be less representative of the antiprototype of effective followers (displaying conformity, incompetence, and insubordination). Results are replicated in a second experiment in which we compare the views of those self‐categorizing as either Republican or Democrat responding to followers of the Republican and Democratic Party. Results of Study 2 replicate those of Study 1 and also reveal qualitative differences in the preferred influence strategy for dealing with followers. Specifically, respondents seek to engage in persuasion when trying to change the behavior of ingroup followers, while resorting to coercion when trying to change the behavior of outgroup followers. Our results are the first to provide evidence that perceivers' theories about what followers are like and how they are influenced most effectively are structured by perceivers' identification (and dis‐identification) with the particular groups that leaders are championing. 相似文献
186.
Lenny Van Rosmalen René Van der Veer Frank Van der Horst 《Journal of the history of the behavioral sciences》2015,51(3):261-284
The American‐Canadian psychologist Mary Ainsworth (1913–1999) developed the Strange Situation Procedure (SSP) to measure mother‐child attachment and attachment theorists have used it ever since. When Ainsworth published the first results of the SSP in 1969, it seemed a completely novel and unique instrument. However, in this paper we will show that the SSP had many precursors and that the road to such an instrument was long and winding. Our analysis of hitherto little‐known studies on children in strange situations allowed us to compare these earlier attempts with the SSP. We argue that it was the combination of Ainsworth's working experience with William Blatz and John Bowlby, her own research in Uganda and Baltimore, and the strong connection of the SSP with attachment theory, that made the SSP differ enough from the other strange situation studies to become one of the most widely used instruments in developmental psychology today. 相似文献
187.
Executive Attention: An Alternative Perspective on General Mental Ability,Performance, and Subgroup Differences
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The validity‐adverse impact tradeoff associated with the relationships among general mental ability (GMA), ethnicity, and employee performance represents one of the most pressing concerns in organizational staffing. We conducted 4 studies with 273 bank employees and 197 university students designed to assess the extent to which executive attention (EA) and GMA predict simulation performance and supervisory ratings of performance. We also assess the extent to which measures of EA and GMA are associated with subgroup differences. Results indicate that, like GMA, EA positively predicts managerial simulation and supervisory ratings of performance. In addition, although reaching statistical significance in only 1 of our 4 studies, EA was generally associated with smaller subgroup differences than GMA, and meta‐analysis across our samples supports this reduced subgroup difference. Moreover, advantages of EA tend to increase as studies move from the laboratory with undergraduate students to a concurrent validation organizational setting with employees. We discuss implications for a theory‐based view of cognitive ability in employee selection and implications for managerial practice. 相似文献
188.
Michael T. McKay Grant B. Morgan N. Job van Exel Frank C. Worrell 《Journal of personality assessment》2015,97(4):395-402
Despite its widespread use, disagreement remains regarding the structure of the Consideration of Future Consequences Scale (CFCS). In particular there is disagreement regarding whether the scale assesses future orientation as a unidimensional or multidimensional (immediate and future) construct. Using 2 samples of high school students in the United Kingdom, 4 models were tested. The totality of results including item loadings, goodness-of-fit indexes, and reliability estimates all supported the bifactor model, suggesting that the 2 hypothesized factors are better understood as grouping or method factors rather than as representative of latent constructs. Accordingly this study supports the unidimensionality of the CFCS and the scoring of all 12 items to produce a global future orientation score. Researchers intending to use the CFCS, and those with existing data, are encouraged to examine a bifactor solution for the scale. 相似文献
189.
Ethnic diversity poses a threat to authoritarians, as it indicates non-conformism to group norms and poses a threat to group conformity. According to authoritarian dynamic theory, threats elicit authoritarian reactions in people with authoritarian predispositions. In the present article we tested a mediation model derived from authoritarian dynamic theory in a sample of 171 students. As expected, authoritarian predisposition negatively predicted diversity beliefs. This effect was fully mediated by an authoritarian manifestation, that is, authoritarian aggression. The two other components of right-wing authoritarianism, authoritarian submission and conventionalism, did not mediate the effect. Results confirm contemporary research on authoritarianism and the differentiation of authoritarian predispositions and its manifestations. 相似文献
190.
Frank M. Schneider Michaela Maier Sara Lovrekovic Andrea Retzbach 《The Journal of psychology》2015,149(2):175-192
The Perceived Leadership Communication Questionnaire (PLCQ) is a short, reliable, and valid instrument for measuring leadership communication from both perspectives of the leader and the follower. Drawing on a communication-based approach to leadership and following a theoretical framework of interpersonal communication processes in organizations, this article describes the development and validation of a one-dimensional 6-item scale in four studies (total N = 604). Results from Study 1 and 2 provide evidence for the internal consistency and factorial validity of the PLCQ's self-rating version (PLCQ-SR)—a version for measuring how leaders perceive their own communication with their followers. Results from Study 3 and 4 show internal consistency, construct validity, and criterion validity of the PLCQ's other-rating version (PLCQ-OR)—a version for measuring how followers perceive the communication of their leaders. Cronbach's α had an average of.80 over the four studies. All confirmatory factor analyses yielded good to excellent model fit indices. Convergent validity was established by average positive correlations of.69 with subdimensions of transformational leadership and leader–member exchange scales. Furthermore, nonsignificant correlations with socially desirable responding indicated discriminant validity. Last, criterion validity was supported by a moderately positive correlation with job satisfaction (r =.31). 相似文献