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用不同外部表征方式集中呈现信息条件下的因果力判断 总被引:2,自引:0,他引:2
在分别用文字陈述、表格和图形三种外部表征方式集中呈现因果信息的条件下,用直接估计因果力大小的实验范式考察单一因果关系因果力估计的特点,检验概率对比模型,效力PC理论和pCI规则。让287名大学生被试估计不同化学药物影响动物基因变异的能力。结果发现,对单一因果关系因果力估计具有以下4个特点:⑴不对称性:在预防原因条件下的因果力估计较多符合效力PC理论,而在产生原因条件下的因果力估计一般符合概率对比模型;⑵文字陈述、表格和图形三种信息外部表征方式,不影响产生原因条件下的因果力估计,但影响预防原因条件下的因果力估计。在预防原因条件下,与文字陈述和表格表征相比,图形表征会促使更多被试按效力PC理论来做因果力估计;⑶没有被试使用pCI规则;⑷被试估计因果力所使用的规则存在明显的个体差异。 相似文献
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The Five Factor Model (FFM) domains of neuroticism and extraversion have consistently been related to suicidal ideation, such that individuals high in neuroticism or low in extraversion are at greater risk for suicidal thinking. The relationship between mindfulness and suicidal thoughts has not been empirically investigated in relation to personality. However, mindfulness has been shown to moderate the relationship between neuroticism and depression (Barnhofer, Duggan, & Griffith, 2011). The current study examined the relationship of the FFM domains, mindfulness, and suicidal ideation, and tested whether mindfulness would moderate the relationship between FFM domains and suicidal thinking. Results indicated that mindfulness weakened the relationship between neuroticism and suicidal ideation. Additionally, a strong negative relationship between suicidal ideation and extraversion was present at low levels of mindfulness. The possible importance of incorporating mindfulness practices in the prevention of suicidal thinking is discussed. 相似文献
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本研究的目的在于应用Rasch模型编制和分析数学入学准备测验,从而分析Rasch模型的有效性和优势。自编数学入学准备测试,对150名平均年龄为6.6岁的儿童进行测查,应用Rasch模型对题目和评分等级做出修正并分析结果。结果表明修正后的测试具有较好的信效度,较好地拟合了Rasch模型,评分等级设置合理,测试的整体难度相对较低。儿童的Rasch分数和性别无关,但受到年龄、家庭社会经济地位的影响。相对于经典测量理论而言,应用Rasch模型进行入学准备测试的编制和分析具有优势。 相似文献
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This study evaluated whether a concurrent group teaching procedure, in which all students respond simultaneously, could be used for persons with moderate or severe mental retardation. The teaching procedure used was the Task Demonstration Model, a program based on stimulus-control research and the fading techniques of behavioral psychology. Three teachers and three groups of students participated. Results showed that the teachers increased their rates of questions and instructions, positive feedback, and use of functional materials, but they reduced their rate of prompts to almost zero. Students increased their percentage and rate of correct responding as well as their engaged time. In addition, maladaptive responding, for which there were never any direct consequences, decreased from 45% to 10% for 8 of the 14 students. Results are discussed primarily in two areas: (a) changing stimulus control from teacher prompts to critical elements of the items being taught, and (b) reasons for the reduction of maladaptive behavior for 8 of the subjects. 相似文献
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人事决策信息利用和效能预测模型 总被引:1,自引:0,他引:1
本研究以 1 2 2名人事管理人员为被试 ,采用问卷测量法 ,分析了企业人事决策信息利用的现状 ,信息利用指标和效能的关系。结果发现 :1企业人事决策中比较重视能力要求信息、组织环境信息和个人档案材料 ,忽略心理特点信息的利用 ;2非程序信息、人职匹配信息对效能指标的直接预测力较强 ,其他指标的预测力较弱 ;3能力要求、考核成绩、个人档案材料等信息通过人职匹配信息的利用对效能指标产生影响。文章还构建了人事决策的效能预测模型 ,并讨论了研究结果对企业人事决策诊断和发展的理论和实际意义。 相似文献
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Increasing the variability of response sequences in pigeons by adjusting the frequency of switching between two keys. 总被引:4,自引:4,他引:0 下载免费PDF全文
A Machado 《Journal of the experimental analysis of behavior》1997,68(1):1-25
Three experiments compared the amounts of behavioral variability generated with two reinforcement rules. In Experiments 1 and 2 pigeons received food whenever they generated a sequence of eight pecks, distributed over two keys, provided that the sequence contained a certain number of change-overs between the keys. Although no variability was required-the birds could obtain all reinforcers by repeating the same sequence-the pigeons emitted a large number of different sequences. In Experiment 3 pigeons received food whenever they generated a sequence that had not occurred during the last 25 trials. After prolonged training, the birds showed more sequence variability than in the first two experiments. The analysis of the internal structure of the response sequences revealed that, in general, (a) the location of the first peck was highly stereotyped; (b) as the trial advanced, the probability of switching to the initially preferred key decreased whereas the probability of switching to the other key increased; and (c) a first-order Markov chain model with transition probabilities given by a logistic function accounted well for the internal structure of the birds' response sequences. These findings suggest that, to a large extent, the variability of response sequences is an indirect effect of adjustments in changeover frequency. 相似文献
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