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891.
研究采用注意网络测验任务(attention network test, ANT), 分别检验自我相关信息在注意的警觉、定向和执行控制网络上的加工效率差异, 以揭示自我信息识别优势的注意机制。实验1考察了面孔类型(自我面孔或他人面孔)在3种注意网络下的加工效率差异; 实验2采用自我联结学习范式对实验1进行验证; 实验3将颜色类型(红色或绿色)作为目标刺激, 面孔类型作为背景, 以考察任务无关自我信息是否对注意网络加工效率有影响。研究结果发现, 当自我信息为目标时, 个体在注意定向网络上存在加工效率优势, 而警觉和执行控制网络上没有加工效率差异。当自我相关信息与任务无关时, 在注意的警觉、定向和执行控制网络中均未表现出加工效率优势。说明了自我信息的注意优势发生在注意定向网络上, 且受任务优先性影响。 相似文献
892.
Qian Zhang Ke-Hai Yuan Lijuan Wang 《The British journal of mathematical and statistical psychology》2019,72(2):334-354
Moderation analysis is useful for addressing interesting research questions in social sciences and behavioural research. In practice, moderated multiple regression (MMR) models have been most widely used. However, missing data pose a challenge, mainly because the interaction term is a product of two or more variables and thus is a non-linear function of the involved variables. Normal-distribution-based maximum likelihood (NML) has been proposed and applied for estimating MMR models with incomplete data. When data are missing completely at random, moderation effect estimates are consistent. However, simulation results have found that when data in the predictor are missing at random (MAR), NML can yield inaccurate estimates of moderation effects when the moderation effects are non-null. Simulation studies are subject to the limitation of confounding systematic bias with sampling errors. Thus, the purpose of this paper is to analytically derive asymptotic bias of NML estimates of moderation effects with MAR data. Results show that when the moderation effect is zero, there is no asymptotic bias in moderation effect estimates with either normal or non-normal data. When the moderation effect is non-zero, however, asymptotic bias may exist and is determined by factors such as the moderation effect size, missing-data proportion, and type of missingness dependence. Our analytical results suggest that researchers should apply NML to MMR models with caution when missing data exist. Suggestions are given regarding moderation analysis with missing data. 相似文献
893.
The use of item responses from questionnaire data is ubiquitous in social science research. One side effect of using such data is that researchers must often account for item level missingness. Multiple imputation is one of the most widely used missing data handling techniques. The traditional multiple imputation approach in structural equation modeling has a number of limitations. Motivated by Lee and Cai’s approach, we propose an alternative method for conducting statistical inference from multiple imputation in categorical structural equation modeling. We examine the performance of our proposed method via a simulation study and illustrate it with one empirical data set. 相似文献
894.
Multiple‐choice tests are frequently used in personnel selection contexts to measure knowledge and abilities. Option weighting is an alternative multiple‐choice scoring procedure that awards partial credit for incomplete knowledge reflected in applicants’ distractor choices. We investigated whether option weights should be based on expert judgment or on empirical data when trying to outperform conventional number‐right scoring in terms of reliability and validity. To obtain generalizable results, we used repeated random sub‐sampling validation and found that empirical option weighting, but not expert option weighting, increased the reliability of a knowledge test. Neither option weighting procedure improved test validity. We recommend to improve the reliability of existing ability and knowledge tests used for personnel selection by computing and publishing empirical option weights. 相似文献
895.
Joshua Jessel Gregory P. Hanley Mahshid Ghaemmaghami Rachel Metras 《Behavioral Interventions》2019,34(1):62-78
Functional analysis can often be a lengthy process requiring time and resources not readily available to practitioners working with children who exhibit severe problem behavior. The interview‐informed synthesized contingency analysis (IISCA) was recently developed as an alternative functional analysis format that improved analytic efficiency by requiring only 25 min to conduct. Furthermore, a within‐session analysis of the first test session of the entire IISCA could reduce the process to as little as a single 5‐min session. We extended this previous research by conducting what was termed the single‐session IISCA with three boys who exhibited severe problem behavior. A function‐based treatment package, including reinforcement thinning, informed by the results of the single‐session IISCA nearly eliminated problem behavior for all three participants. We suggest that the single‐session IISCA could be a viable alternative to other functional analysis formats when time is limited. 相似文献
896.
Abdul Badran Matthew J. Hollocks Rebecca L. Brookes Robin G. Morris Hugh S. Markus 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2019,26(4):531-540
“Normal” age-related cognitive decline has been associated with cardiovascular risk factors. Framingham Vascular Age is age-normed cardiovascular risk which may help communicate risk to patients and identify those at relatively higher risk. We aim to assess the association between Framingham Vascular Age and cognition. 346 “healthy” participants (57±10 years) without neuropsychiatric disorders or clinical manifestations of cardiovascular disease were studied. Cognition was evaluated using the Brief Memory and Executive Test and Framingham Vascular Age was calculated. The association between Framingham Vascular Age and cognitive performance was determined through General Linear Models to control for covariates. Framingham Vascular age was associated with poorer Memory and Executive Function/Processing Speed indices (p= 0.019 and p<0.001, respectively). We conclude Framingham Vascular Age is associated with worse Executive Function/Processing Speed and Memory. Vascular Age may help identify patients at higher risk of age-related cognitive decline with implications for communicating the morbidity associated with cardiovascular risk. 相似文献
897.
在建议采纳过程中,建议者面孔宽高比作为可靠性线索可能影响决策者的决策与判断。本研究通过3个实验来分析建议者面孔宽高比对决策者建议采纳的影响及其机制,并探讨了建议者性别与决策情境的调节作用。结果显示: (1) 相较于女性与低面孔宽高比建议者,男性高面孔宽高比建议者的建议被更低程度地采纳,建议者可靠性感知中介了这一过程。(2) 建议情境的情绪困难程度调节了上述关系,高情绪困难会削弱面孔宽高比对建议采纳的影响。 相似文献
898.
899.
900.
当前心理测验的应用问题与伦理规范 总被引:9,自引:0,他引:9
心理测验法在心理学研究中是一种常用的方法,但是,这种方法的应用价值受到诸多条件的限制。本文从经典测验理论出发回顾了影响心理测验应用价值的一些因素,并对心理测验的使用者做了重点分析,指出只有经过培训并获得相关资格者才能管理心理测验,而且施测者应该从自身与被测者之间的关系出发,严格地遵循心理测验的伦理价值,并在法律的规范下使用心理测验,才能充分地体现心理测验的真正价值。 相似文献