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101.
认知诊断、项目自动生成是现代心理测量领域的重要发展领域,二者的结合更是心理测量领域亟待开展的重要课题。本研究以小学数学问题解决认知诊断项目自动生成为例,探讨认知诊断领域的项目生成技术及算法。研究发现:(1)计算机自生成的项目参数与原模板参数具有较高的一致性。(2)同一项目模板下生成的不同试题的测量学特征基本不变。(3)同一批被试在自动生成的两份试卷的前、后测的能力( )值高度相关(r=0.811),前、后两次对被试诊断结果的一致性高达86.5%。这表明本文所设计的认知诊断测验项目的自动生成技术及其算法基本可行,小学数学问题解决认知诊断项目的自动生成效果较好。这也为其它认知诊断领域的项目自动生成提供了技术借鉴和支持。 相似文献
102.
Cai S. Longman Aureliu Lavric Stephen Monsell 《Quarterly journal of experimental psychology (2006)》2016,69(11):2248-2275
Is spatial attention reconfigured independently of, or in tandem with, other task-set components when the task changes? We tracked the eyes of participants cued to perform one of three digit-classification tasks, each consistently associated with a distinct location. Previously we observed, on task switch trials, a substantial delay in orientation to the task-relevant location and tendency to fixate the location of the previously relevant task—“attentional inertia”. In the present experiments the cues specified (and instructions emphasized) the relevant location rather than the current task. In Experiment 1, with explicit spatial cues (arrows or spatial adverbs), the previously documented attentional handicaps all but disappeared, whilst the performance “switch cost” increased. Hence, attention can become decoupled from other aspects of task-set, but at a cost to the efficacy of task-set preparation. Experiment 2 used arbitrary single-letter cues with instructions and a training regime that encouraged participants to interpret the cue as indicating the relevant location rather than task. As in our previous experiments, and unlike in Experiment 1, we now observed clear switch-induced attentional delay and inertia, suggesting that the natural tendency is for spatial attention and task-set to be coupled and that only quasi-exogenous location cues decouple their reconfiguration. 相似文献
103.
The psychometric properties of the Chinese version of the Body Image Acceptance and Action Questionnaire (C-BI-AAQ) and its short form (C-BI-AAQ-5) were examined with a sample of Chinese undergraduates (n = 1,068, 52.6% female). The factor structure, measurement reliability, measurement invariance across gender, and latent gender mean difference of the two scales were explored. Confirmatory factor analysis was used to examine the factor structure of the C-BI-AAQ and the C-BI-AAQ-5. The original one-factor structure was replicated for both the C-BI-AAQ and the C-BI-AAQ-5. Both the C-BI-AAQ and C-BI-AAQ-5 showed good internal consistency, test-retest reliability, and convergent and discriminant validity (e.g., relationship patterns in the expected directions with theoretically similar psychological flexibility, and with theoretically dissimilar body dissatisfaction, and psychological distress). The C-BI-AAQ-5 was shown to be equivalent to the C-BI-AAQ. Furthermore, strict measurement invariance across gender was confirmed for both the C-BI-AAQ and C-BI-AAQ-5, and latent mean difference tests showed that men had higher levels of body image flexibility than women. Thus, both the C-BI-AAQ and C-BI-AAQ-5 appear to be psychometrically sound instruments for use in the Chinese young adult population. In addition, body image flexibility measured by both the C-BI-AAQ and the C-BI-AAQ-5 fully mediated the relationship between body dissatisfaction and psychological distress. 相似文献
104.
Wenjing Cai Sabrine El Baroudi Svetlana N. Khapova Binfeng Xu Maria L. Kraimer 《Psychologie appliquee》2022,71(2):587-611
With the growing interest in the joint effects of individual and contextual factors in predicting team member proactivity, this paper examines why and when pursuing one's career calling can lead to team member proactivity. Drawing on the Work as a Calling Theory, we propose that “living out a calling” explains why employees' perceived career calling positively relates to team member proactivity and especially when the employee receives high levels of mentoring support. Our hypotheses are tested using a multisource and time-lagged study design with a sample of 296 dyads of Chinese employees and their direct supervisors. We found support for the mediating role of living out a calling (Time 2) in the positive relationship between perceiving a calling (Time 1) and team member proactivity (Time 3). Mentoring (Time 2) moderated the perceiving a calling and living out a calling link such that when employees received more mentoring, the relationship was positive, whereas under lower levels of mentoring, the relationship was negative. Similarly, the indirect relationship between perceiving a calling and team member proactivity through living out a calling was positive at higher levels of mentoring, but the relationship was negative at lower levels of mentoring. 相似文献
105.
Luo Yu L. L. Wildschut Tim Sedikides Constantine Cai Huajian 《Journal of Happiness Studies》2022,23(7):3347-3361
Journal of Happiness Studies - Nostalgia, a bittersweet but predominantly positive emotion, arises from self-relevant and social memories. Evidence suggests that nostalgia is a potential source of... 相似文献
106.
Individuals’ goal-directed activity in one situation can affect their behavior in a later, ostensibly unrelated situation. This effect can depend on whether the latter behavior is also goal-directed or is performed automatically. Three studies showed that participants’ rate of speaking in the course of performing a speech shadowing task has a positive influence on the speed with which they later complete an ostensibly unrelated marketing survey. Furthermore, when participants’ attention is called to the goal of working rapidly on the survey, the effect of their past behavior depends on their perception of the goal's desirability. When the time to complete the survey is not mentioned, however, participants’ speed of working on the survey is influenced by their speed of speaking in the earlier situation without their awareness and it does not depend on the desirability of the goal with which their behavior is associated. An additional experiment showed that the relative impact of goal-directed and automatic processes also depends on the cognitive resources that people have available to construe the evaluative implications of their decisions. 相似文献
107.
Lowell Gaertner Constantine Sedikides Michelle Luke Erin M. O'Mara Jonathan Iuzzini Lydia Eckstein Jackson Huajian Cai Quiping Wu 《Journal of experimental social psychology》2012,48(5):997-1013
The individual self, relational self, and collective self are important and meaningful aspects of identity. However, they plausibly differ in their relative importance such that one self lies closer to the motivational core of the self-concept, better represent the “home base” of selfhood, or, simply stated, is motivationally primary. Four multi-method studies tested the relative motivational-primacy of the selves. Despite their disparate methods, the studies yielded consistent evidence of a three-tiered hierarchy with the individual self at the top, followed by the relational self, and trailed at the bottom by the collective self. The same hierarchy emerged in the Eastern culture of China and the Western cultures of the US and UK. Such pancultural consistency suggests that the motivational hierarchy is a fundamental pattern of the human self. 相似文献
108.
109.
Research in the past 2 decades has made great strides in understanding cross-cultural differences in the correlates and causes of subjective well-being. On the basis of past findings on the cross-cultural differences in temporal perspectives of the self, the present research examined a cross-cultural difference in individuals' subjective well-being as a function of how positively they viewed their present and past selves. Study 1 showed that both European and Asian Americans had higher subjective well-being when they viewed their present selves more positively. However, positive evaluations of the past self were accompanied by higher subjective well-being only among Asian Americans. Study 2 showed that when induced to think positively (vs. negatively) of the present self, both European and Asian Americans judged their current lives more favorably. However, when led to view the past self positively (vs. negatively), only Asian Americans made more favorable judgments about their current lives. (PsycINFO Database Record (c) 2012 APA, all rights reserved). 相似文献
110.
S. Ram A. Gautam H. J. Fecht J. Cai J. Bansmann R. J. Behm 《Philosophical Magazine Letters》2013,93(5):361-372
Polymer molecules of polyvinyl alcohol (PVA) serve as a good Ag+?→?Ag0 reducer as well as a template to produce Ag0 nanocrystals of anisotropic shapes. Thin Ag–PVA films (50–100?µm thick) were prepared by carrying out the reaction in aqueous PVA (under heating conditions) and then spin casting the sample in this shape. A topotactic Ag+?→?Ag0 reaction and in-situ Ag0 growth occur in support over the PVA molecules (as per the local structure and Ag0–PVA interactions) of elongated surfaces. The Ag0 state is confirmed with 3d 5/2 and 3d 3/2 XPS signals of 368.37 and 374.13?eV binding energies, respectively. As analyzed with X-ray diffraction, it is a new allotrope with an orthorhombic structure, lattice parameters a?=?0.8535, b?=?0.8410?nm and c?=?0.4119?nm, and density ρ?=?9.69?g?cm?3. On heating in air, the well-known cubic structure develops, a?=?0.4082?nm (ρ?=?10.53?g?cm?3) after 150°C, whereas a?=?0.4071?nm (ρ?= 10.61?g?cm?3) after 300°C for 2?h. According to proposed models, it is a vacancy-stabilized allotrope, which evolves from multiply twinned particles. 相似文献