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101.
This study investigated the relationship between a spatial auditory inspection time task and previous versions of AIT, as well as the relationships of these tasks with visual inspection time (VIT) and general speediness (Gs). A total of 96 university undergraduates (age mean (M) = 20.0 years, standard deviation (SD) = 4.0 years) completed three AIT tasks, VIT, auditory reaction time (ART) and visual reaction time (VRT), and two Gs marker tests. Auditory inspection time‐spatial (AIT‐S) did not relate to VIT, but it did relate to the Gs marker tests. It also loaded moderately on a Gs factor along with VIT. Neither of the alternate AIT tasks showed any consistent relationships to reaction time (RT) or Gs measures. The AIT‐S task did, however, share substantial variance with its predecessors, suggesting that performance on all AIT tasks relies to some extent on similar processes. Further research is required to determine the nature of these processes. 相似文献
102.
In 2008, nearly 31% of vehicle fatalities were related to failure to adhere to safe vehicle speeds (National Highway Traffic Safety Administration [NHTSA], 2009). The current study evaluated the effect of a rectangular rapid-flashing beacon (RRFB) triggered by excessive speed on vehicle speed using a combined alternating treatments and reversal design. The percentage of vehicles traveling above 41 mph (66 km per hour) decreased by 20%, and speed distributions showed a shift toward lower speeds during the RRFB condition. 相似文献
103.
The major goal of the present study was to investigate the potential influence of age on the relationship among performance measures derived from a Hick reaction time task and general intelligence (psychometric g). Participants were 130 male and 130 female younger adults (mean age: 24.6 years) covering a wide range of individual levels of intelligence. Results from structural-equation modelling analyses clearly indicate that there is no evidence for the notion of a general speed factor underlying psychometric g. A much more sufficient model is provided by the assumption that median reaction time (RTmd) and intraindividual variability of reaction time (RTSD), though highly correlated, reflect two distinct sources of variance for psychometric g. While age was negatively associated with RTmd, no such relationship could be established for RTSD. 相似文献
104.
Temporal preparation was assessed in 15 Alzheimer’s disease (AD) patients, 20 persons with mild cognitive impairment (MCI) and 28 healthy older adults. Participants completed a simple reaction time task in which the preparatory interval duration varied randomly within two blocks (short versus long temporal window). Results indicated that AD and MCI patients had difficulty preparing for the shortest preparatory interval of the short temporal window. AD and MCI patients also had difficulty maintaining an optimal level of preparation up to 5 s within the short temporal window. These results suggest that AD and MCI patients might show difficulty preparing for rapidly occurring events and maintaining preparation over time. This phenomenon should be considered when using reaction time measures with such patients. 相似文献
105.
106.
Tom Rockmore 《Frontiers of Philosophy in China》2014,9(3):342-349
Marx is concerned with theory that not only interprets but also changes the world. His central concern lies in the transition from capitalism to communism. This paper examines three ways that he might understand this transition as concerns economic crisis, politics, or the proletariat. 相似文献
107.
基本心理能力老化的认知机制 总被引:2,自引:0,他引:2
基本心理能力老化机制是认知老化领域研究热点之一。横断研究与追踪研究表明, 感觉功能、加工速度、工作记忆等信息加工资源的衰退导致了基本心理能力的衰退。但由于相关研究不能进行因果推论, 基本心理能力老化的认知机制尚存在争论。因此本项目拟采用实验室研究和干预实验设计, 通过操纵感觉功能(知觉压力水平)、干预加工速度与工作记忆, 考察基本心理能力的年龄差异的变化, 以期为认知老化理论的深化和拓展提供实验依据。 相似文献
108.
The processing speed account suggests that general slowing of mental processing speed results in an overall decline, especially age-related decline, in other cognitive domains. Support for the speed account comes mainly from cross-sectional studies with participants that vary in age (age-heterogeneous samples). This study investigated how well variations in processing speed predict change of episodic recall in a longitudinal framework and examined with the Narrow Age Cohort (NAC) design. Data were obtained from Betula, a population-based longitudinal study. Both 5-year (n= 490; Time 3 - Time 4) and 10-year follow-up results (n= 608; Time 1 - Time 3) were used. In both samples, which were subjected to prospective dementia screening, we found considerably weaker associations in longitudinal data compared to cross-sectional, and also weaker associations in age-homogeneous than in age-heterogeneous samples. The results provide little support for the speed account. 相似文献
109.
Connell A Bullock BM Dishion TJ Shaw D Wilson M Gardner F 《Journal of abnormal child psychology》2008,36(8):1211-1225
This study used latent transition analysis (LTA) to examine changes in early emotional and behavioral problems in children
age 2 to 4 years resulting from participation in a family-centered intervention. A sample of 731 economically disadvantaged
families was recruited from among participants in a national food supplement and nutrition program. Families with toddlers
between age 2 and 3 were randomized either to the Family Check-Up (FCU) or to a nonintervention control group. The FCU’s linked
interventions were tailored to each family’s needs. Assessments occurred at age 2, 3, and 4. The FCU followed age 2 and age
3 assessments. Latent class analyses were conducted on mother reports of behavior and emotional problems from age 2 to 4 to
study transitions among the following four groups: (a) externalizing only, (b) internalizing only, (c) comorbid internalizing
and externalizing, and (d) normative. LTA results revealed that participation in the FCU increased the likelihood of transitioning
from either the comorbid or the internalizing class into the normative class by age 4. These results suggest family interventions
in early childhood can potentially disrupt the early emergence of both emotional and behavioral problems. 相似文献
110.
Ramphele M 《The Journal of analytical psychology》2008,53(2):157-167
Abstract: Although South Africa's transition into nationhood has been remarkable by all measures, persistent inequalities remain. These are directly traceable to the impact of the social engineering of apartheid which has left a legacy of poverty and a lack of education. In this talk, I focus on three key dilemmas for South Africans: identity as a nation of citizens with multiple identities, capacity for self‐knowledge and self‐acceptance and openness to new impulses. Acceptance of multiple identities is widespread but how deep is the acceptance of difference, especially when conflicts of opinion emerge? Finding a language of self‐knowledge and acceptance requires a language that enables us to gain greater mastery of the complexities of living in a diverse society. How can psychology help with this task? In African cultures illness is described as a visitation from the ancestors: affected persons become wounded healers whose healing powers come from their acknowledged weakness. To what extent might you, as analytical psychologists, help find the ritual processes and language to be effective healers of your own nation? 相似文献