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121.
无均值结构的潜变量交互效应模型的标准化估计 总被引:1,自引:0,他引:1
潜变量交互效应建模研究近年来有两项重要进展, 一是提出了潜变量交互效应模型的标准化估计及其计算公式; 二是发现无均值结构模型可以取代传统的有均值结构模型, 建模大为简化。但标准化估计是在传统的有均值结构模型中建立的, 在简化的模型中同样适用吗?本文在无均值结构模型的框架内, 给出了潜变量交互效应模型的标准化形式、计算公式和建模步骤, 并通过模拟研究比较了极大似然和广义最小二乘两种估计方法、配对乘积指标和全部乘积指标两种指标类型, 结果表明, 在计算交互效应的标准化估计时, 应当使用配对乘积指标建模, 并且首选极大似然估计。 相似文献
122.
初中生英语学业成绩影响因素的因果模型 总被引:5,自引:2,他引:5
采用英语自我效能、英语学习焦虑、英语学习策略问卷,测量研究213名初中生英语自我效能、英语学习焦虑、英语学习策略与英语学业成绩之因果关系模型。结果表明:(1)初中女生英语学习焦虑显著低于男生;(2)初中生性别、自我效能、活用策略对英语学业成绩有显著回归效应,自我效能是性别影响英语学业成绩的中介变量;(3)初中生英语自我效能与学习策略构成因果-反馈关系且对英语学业成绩有显著回归效应;(4)初中生英语自我效能是英语学习焦虑对英语学业成绩产生消极效应的中介变量.并与英语学习焦虑构成因果-反馈关系;(5)初中生英语学习策略与英语自我效能共同对英语学习焦虑构成多级链式因果-反馈关系。 相似文献
123.
Simon R. Walters Philip J. Schluter Anthony R.H. Oldham 《Psychology of sport and exercise》2012,13(2):208-215
Objectives
This study aimed to establish the prevalence, pattern and nature of coaches’ verbal behaviour at children’s (ages 6-12 years) team sports events. The study draws upon the motivational model presented by Mageau and Vallerand (2003) to examine the influence of global (gender), contextual (sport related), and social (athlete gender) factors on coach comments.Design
A cross-sectional observational study of coaches stratified across four team sports: Rugby Union, Netball, Association Football and Touch Rugby.Method
The Observation Instrument at Sports Events was used to categorise covertly recorded verbal comments made by coaches at organised team sports games.Results
Overall, 10,697 comments were recorded at 72 games at a rate of 3.71 comments/minute; 35.4% were categorised as positive, 21.6% as negative, and 43.0% as neutral. Significant differences in negative comments were identified between sport (p < .001) with rugby coaches recording the highest percentage of negative comments and the lowest percentage of positive comments; by coach gender (p < .001), with male coaches recording higher rates of negative comments; and by athlete gender (p < .001), with coaches of male-only teams recording higher rates of negative comments. When simultaneously included in a Poisson regression model the difference in negative comments between sports remained statistically significant (p < .001) whereas coach gender was no longer significant.Conclusions
The ratio of negative coach comments for all sports gives cause for concern. These findings suggest that sports of national and cultural significance are a key driver of coaching behaviours in a competitive environment. 相似文献124.
Phoebe Chang MSSW 《Contemporary Family Therapy》1996,18(4):489-505
Practitioners in Hong Kong have shown an increasing interest in various family therapy approaches since the 1980s. This paper offers a critique of the major concepts and techniques of the Satir model applied to families in Hong Kong. Cultural considerations are examined in relation to the family structure and hierarchy, the Chinese self and self-esteem, communication patterns, and family rules. Implications for the application of the Satir model of family therapy in Hong Kong are discussed. 相似文献
125.
126.
Mika Pantzar 《World Futures: Journal of General Evolution》2013,69(2-4):207-226
The “choreography of everyday life refers to the existence of rules of daily life, correspondingly to those of dances: the rules impose order upon individual behavior beyond the level of pure improvisation. The fact that acts of everyday life repeat themselves supports the idea that there exist some mechanisms generating order to daily practices. The replicative model of evolution is a candidate to explain this process of routinization. At the beginning of a replicative cycle behavioral patterns might change radically. In the course of time integrative and competitive selective forces start working. Finally some established rules, choreography, determining daily practices will emerge. In this mature phase identical replication takes place. 相似文献
127.
Automated verbal credibility assessment of intentions: The model statement technique and predictive modeling 下载免费PDF全文
Bennett Kleinberg Yaloe van der Toolen Aldert Vrij Arnoud Arntz Bruno Verschuere 《Applied cognitive psychology》2018,32(3):354-366
Recently, verbal credibility assessment has been extended to the detection of deceptive intentions, the use of a model statement, and predictive modeling. The current investigation combines these 3 elements to detect deceptive intentions on a large scale. Participants read a model statement and wrote a truthful or deceptive statement about their planned weekend activities (Experiment 1). With the use of linguistic features for machine learning, more than 80% of the participants were classified correctly. Exploratory analyses suggested that liars included more person and location references than truth‐tellers. Experiment 2 examined whether these findings replicated on independent‐sample data. The classification accuracies remained well above chance level but dropped to 63%. Experiment 2 corroborated the finding that liars' statements are richer in location and person references than truth‐tellers' statements. Together, these findings suggest that liars may over‐prepare their statements. Predictive modeling shows promise as an automated veracity assessment approach but needs validation on independent data. 相似文献
128.
129.
The present study illustrates the usefulness of finite mixture of generalized linear models (GLMs) to examine variability in cognitive strategies during childhood. More precisely, it addresses this variability in set-shifting situations where task-goal updating is endogenously driven. In a task-switching paradigm 5–6-year-olds had to switch between color- and shape-matching rules as a function of a predetermined, predictable task sequence. A finite mixture of GLMs was fitted to explore individual differences in performance. The statistical model revealed five response profiles, defined by accuracy and response times. These response profiles likely correspond to different cognitive strategies with varying efficiency and differential relations to working memory capacity (assessed by backward digit span). These results illustrate the heuristic value of statistical modeling to reveal the behavioral and cognitive variability in the temporal dynamics of children's cognitive functioning. 相似文献
130.
Christian Unkelbach Vanessa Ostheimer Frowin Fasold Daniel Memmert 《Organizational behavior and human decision processes》2012
Judges often evaluate stimulus series on dimensions for which no physical scale exists; for example, when judging academic ability in oral examinations. We propose that judges deal with this problem by calibrating an internal judgment scale that maps stimulus input onto available judgment categories. This calibration process implies serial position effects: Judges should initially avoid extreme categories, because using extreme categories reduces judgmental degrees of freedom, thereby increasing the possibility of internal consistency violations. In four experiments, we show that judgments become indeed more extreme later in a series of judgments. Judges evaluated the same good (poor) performances more positive (negative) at the end of a sequence compared to the beginning. Judges’ expertise did not prevent the effect, but allowing end-of-sequence judgments reduced serial position effects. We discuss the implications and possible remedies of these calibration effects on judgment extremity. 相似文献