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81.
Social class, solipsism, and contextualism: how the rich are different from the poor 总被引:1,自引:0,他引:1
MW Kraus PK Piff R Mendoza-Denton ML Rheinschmidt D Keltner 《Psychological review》2012,119(3):546-572
Social class is shaped by an individual's material resources as well as perceptions of rank vis-à-vis others in society, and in this article, we examine how class influences behavior. Diminished resources and lower rank create contexts that constrain social outcomes for lower-class individuals and enhance contextualist tendencies--that is, a focus on external, uncontrollable social forces and other individuals who influence one's life outcomes. In contrast, abundant resources and elevated rank create contexts that enhance the personal freedoms of upper-class individuals and give rise to solipsistic social cognitive tendencies--that is, an individualistic focus on one's own internal states, goals, motivations, and emotions. Guided by this framework, we detail 9 hypotheses and relevant empirical evidence concerning how class-based contextualist and solipsistic tendencies shape the self, perceptions of the social environment, and relationships to other individuals. Novel predictions and implications for research in other socio-political contexts are considered. 相似文献
82.
PT Leach SG Poplawski JW Kenney B Hoffman DA Liebermann T Abel TJ Gould 《Learning & memory (Cold Spring Harbor, N.Y.)》2012,19(8):319-324
Growth arrest and DNA damage-inducible β (Gadd45b) has been shown to be involved in DNA demethylation and may be important for cognitive processes. Gadd45b is abnormally expressed in subjects with autism and psychosis, two disorders associated with cognitive deficits. Furthermore, several high-throughput screens have identified Gadd45b as a candidate plasticity-related gene. However, a direct demonstration of a link between Gadd45b and memory has not been established. The current studies first determined whether expression of the Gadd45 family of genes was affected by contextual fear conditioning. Gadd45b, and to a lesser extent Gadd45g, were up-regulated in the hippocampus following contextual fear conditioning, whereas Gadd45a was not. Next, Gadd45b knockout mice were tested for contextual and cued fear conditioning. Gadd45b knockout mice exhibited a significant deficit in long-term contextual fear conditioning; however, they displayed normal levels of short-term contextual fear conditioning. No differences between Gadd45b knockout and wild-type mice were observed in cued fear conditioning. Because cued fear conditioning is hippocampus independent, while contextual fear conditioning is hippocampus dependent, the current studies suggest that Gadd45b may be important for long-term hippocampus-dependent memory storage. Therefore, Gadd45b may be a novel therapeutic target for the cognitive deficits associated with many neurodevelopmental, neurological, and psychiatric disorders. 相似文献
83.
Kraus N 《Trends in cognitive sciences》2012,16(1):12-13
Examining rhythms in the brain reveals a biological basis for dyslexia. A new study provides evidence of atypical oscillatory patterns and hemispheric specialization in dyslexic adults. These patterns inform phonological processing and verbal memory problems, known to be core deficits in dyslexia. 相似文献
84.
Piper BJ Li V Eiwaz MA Kobel YV Benice TS Chu AM Olsen RH Rice DZ Gray HM Mueller ST Raber J 《Behavior research methods》2012,44(1):110-123
The measurement of executive function has a long history in clinical and experimental neuropsychology. The goal of the present report was to determine the profile
of behavior across the lifespan on four computerized measures of executive function contained in the recently developed Psychology
Experiment Building Language (PEBL) test battery and evaluate whether this pattern is comparable to data previously obtained with the non-PEBL versions of these tests. Participants
(N = 1,223; ages, 5–89 years) completed the PEBL Trail Making Test (pTMT), the Wisconsin Card Sort Test (pWCST; Berg, Journal of General Psychology, 39, 15–22, 1948; Grant & Berg, Journal of Experimental Psychology, 38, 404–411, 1948), the Tower of London (pToL), or a time estimation task (Time-Wall). Age-related effects were found over all four tests,
especially as age increased from young childhood through adulthood. For several tests and measures (including pToL and pTMT),
age-related slowing was found as age increased in adulthood. Together, these findings indicate that the PEBL tests provide
valid and versatile new research tools for measuring executive functions. 相似文献
85.
86.
The purpose of the current study was to determine relationships between orthographic and morphological awareness of academic words and achievement across content areas. Participants (n = 256), diverse seventh and eighth graders, took three word knowledge measures; two standardized achievement measures were used as outcomes. Orthographic awareness of academic words explained variance in achievement, beyond overall breadth of vocabulary knowledge, with significant changes in R2 ranging from 0.02 to 0.08. Morphological awareness of academic words explained variance in achievement, beyond overall breadth of vocabulary knowledge, with significant changes in R2 ranging from 0.06 to 0.16. 相似文献
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89.
Michael D. Mumford Ethan P. Waples Alison L. Antes Ryan P. Brown Shane Connelly Stephen T. Murphy 《创造力研究杂志》2013,25(1):74-89
Students of creativity have long been interested in the relationship between creativity and deviant behaviors such as criminality, mental disease, and unethical behavior. In this study we wished to examine the relationship between creative thinking skills and ethical decision-making among scientists. Accordingly, 258 doctoral students in the health, biological, and social sciences were asked to complete a measure of creative processing skills (e.g., problem definition, conceptual combination, idea generation) and a measure of ethical decision-making examining four domains: data management, study conduct, professional practices, and business practices. It was found that ethical decision-making in all four of these areas was related to creative problem-solving processes with late-cycle processes (e.g., idea generation and solution monitoring) proving particularly important. The implications of these findings for understanding the relationship between creative and deviant thought are discussed. 相似文献
90.
Multi-trait multi-method (MTMM) models provide a way to assess convergent and discriminant validity when multiple traits are measured by multiple methods. In recent years, longitudinal extensions of MTMM models have been proposed in the structural equation modeling framework to evaluate whether and how the trait as well as method factors change over time. We propose a novel longitudinal ordinal MTMM model that can be used to effectively distinguish volatile “state” processes from “trait” processes that tend to remain stable and invariant over time. The proposed model, termed a longitudinal multi-trait-state-method (LM-TSM) model, combines 3 key modeling components: (a) a measurement model for ordinal data, (b) a vector autoregressive moving average model at the latent level to examine changes in the state as well as the method factors over time, and (c) a second-order factor-analytic model to capture time-invariant traits as shared variances among the state factors across all measurement occasions. Data from the Affective Dynamics and Individual Differences (ADID; Emotions and Dynamic Systems Laboratory, 2010) study was used to illustrate the proposed longitudinal LM-TSM model. Methodological issues associated with fitting the LM-TSM model are discussed. 相似文献