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Situated cognition and cognitive style : Effects on students' learning as measured by conventional tests and performance assessments 情境认知和认知风格:对学生学习的影响,通过传统测试和绩效评估来衡量
IF 2.2 4区 教育学 Q1 Social Sciences Pub Date : 1996-07-01 DOI: 10.1080/00220973.1996.10806600
M. Griffin, B. W. Griffin
AbstractThe purpose of the present study was to replicate and extend an earlier study that examined the effectiveness of an instructional method based on the tenets of situated cognition. The findings of an earlier study indicated that students who learned to read maps by this method did better on a performance assessment of map skills than, and equally as well on a written assessment of map skills as, students who learned to read maps by conventional instruction. The impact of situated cognition on short- and long-term retention of map skills among fourth graders and the effect of cognitive style on their learning was investigated in the present study. Fourth-grade students were assigned either to situated-cognition instruction using cognitive apprenticeship or to a conventional-instruction treatment. The conventional-instruction group performed significantly better than the situated-cognition group on the immediate postwritten measure of map skills, but the two groups did not differ on the corresponding...
摘要本研究的目的是复制和扩展早期的一项研究,该研究考察了基于情境认知原则的教学方法的有效性。早期的一项研究结果表明,通过这种方法学习看地图的学生在地图技能的表现评估上比通过传统教学学习看地图的学生表现更好,在地图技能的书面评估上也与通过传统教学学习看地图的学生表现相同。本研究探讨了情境认知对四年级小学生地图技能短期和长期保留的影响,以及认知方式对四年级小学生地图技能学习的影响。四年级学生被分配到使用认知学徒制的情境认知教学或传统教学治疗。在地图技能的即时后记测试中,常规教学组的表现明显优于情境认知组,但在相应的测试中,两组没有差异。
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引用次数: 26
Type I Error Rates and Statistical Power for the James Second-Order Test and the Univariate F Test in Two-Way Fixed-Effects ANOVA Models under Heteroscedasticity and/or Nonnormality. 异方差和/或非正态下双向固定效应ANOVA模型的James二阶检验和单变量F检验的I型错误率和统计能力
IF 2.2 4区 教育学 Q1 Social Sciences Pub Date : 1996-07-01 DOI: 10.1080/00220973.1996.9943463
T. Hsiung, S. Olejnik
Abstract Type I error rates and statistical power for the univariate F test and the James second-order test for comparing population means were estimated for the two-factor fixed-effects completely randomized design. When variances were heterogeneous, the univariate F test was shown to have actual Type I error rates greater than the nominal value even when sample sizes were equal. The James second-order test controlled the Type I error rate under heteroscedasticity when population distributions were normal or platykurtic. However, the James second-order test had increased the Type I error rates when the population distributions were skewed. When variances were homogeneous and distributions were normal, the univariate F test and the James second-order test had similar statistical power for testing main effects, but large power differences favoring the univariate F were found for testing interaction effects.
摘要对双因素固定效应完全随机设计的单变量F检验和比较总体均值的James二阶检验的I型错误率和统计能力进行了估计。当方差是异质时,单变量F检验显示,即使样本量相等,实际的I型错误率也大于标称值。詹姆斯二阶检验控制了种群正态分布或平态分布异方差下的I型错误率。然而,当总体分布偏斜时,詹姆斯二阶检验增加了I型错误率。当方差齐次且分布为正态分布时,单变量F检验和James二阶检验在检验主效应时具有相似的统计能力,但在检验交互效应时,单变量F检验具有较大的统计能力差异。
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引用次数: 21
Determining the Efficacy of Intervention: The Use of Effect Sizes for Data Analysis in Single-Subject Research 确定干预的有效性:在单受试者研究中使用效应量进行数据分析
IF 2.2 4区 教育学 Q1 Social Sciences Pub Date : 1996-07-01 DOI: 10.1080/00220973.1996.9943464
J. Kromrey, L. Foster-Johnson
Abstract Use of the effect size as a descriptive statistic for single-subject research is presented. A brief review of visual and statistical analysis techniques commonly used in single-subject methods is provided, and the limitations of each are noted. Effect sizes are presented as statistics that can augment the interpretation of results as well as provide additional information about the effectiveness of interventions. Four types of treatment effects are presented, with corresponding case studies illustrating the computation and interpretation of the effect size for each. An appendix includes the case study data and a sample computer program for computing the effect sizes described.
摘要介绍了单受试者研究中效应量作为描述性统计量的使用。简要回顾了单主题方法中常用的视觉和统计分析技术,并指出了各自的局限性。效应量以统计数据的形式呈现,可以增强对结果的解释,并提供有关干预措施有效性的额外信息。提出了四种类型的治疗效果,并给出了相应的案例研究,说明了每种效果大小的计算和解释。附录包括案例研究数据和用于计算所述效应大小的示例计算机程序。
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引用次数: 145
Teacher Beliefs and Practices in Schools Serving Communities That Differ in Socioeconomic Level 为不同社会经济水平社区服务的学校的教师信念和实践
IF 2.2 4区 教育学 Q1 Social Sciences Pub Date : 1996-07-01 DOI: 10.1080/00220973.1996.10806602
D. Solomon, V. Battistich, A. Hom
AbstractAttitudes, beliefs, perceptions, and classroom practices of teachers in 24 urban and suburban elementary schools throughout the United States were assessed with teacher questionnaires and classroom observations during a single school year. Teachers in schools serving students from economically disadvantaged backgrounds put greater emphasis on teacher authority and control and less on student autonomy and constructivist approaches than teachers in other schools did. Teachers in schools serving students from economically disadvantaged backgrounds also were less trusting of students and more skeptical about their abilities. Teachers’ beliefs were generally consistent with their practices, even when school poverty level and students’ mean achievement levels were statistically controlled.
摘要采用教师问卷调查和一学年的课堂观察,对美国24所城市和郊区小学教师的态度、信念、观念和课堂实践进行了评估。与其他学校的教师相比,为经济背景不利的学生提供服务的学校的教师更重视教师的权威和控制,而不太重视学生的自主权和建构主义方法。在为经济条件差的学生提供服务的学校里,老师也不太信任学生,更怀疑他们的能力。即使在学校贫困水平和学生平均成绩水平受到统计控制的情况下,教师的信念总体上与他们的实践一致。
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引用次数: 108
A Note on Homogeneity of Variance of Scores and Ranks 分数和等级方差的同质性注释
IF 2.2 4区 教育学 Q1 Social Sciences Pub Date : 1996-07-01 DOI: 10.1080/00220973.1996.10806603
D. W. Zimmerman
When any two or more sets of scores with unequal variances are com bined and ranked together as one set, the corresponding sets of ranks inherit the unequal variances. This fact is well known in the theory of nonparametric statistics, but in practice researchers and applied statisticians frequently overlook its implica tions. Because of this property, familiar nonparametric rank tests cannot overcome effects of heterogeneous variances of treatment groups in statistical significance test ing. A simulation study demonstrates explicitly that transformation of scores to ranks reduces variance heterogeneity, although not enough to prevent gross distor tion of the probabilities of type I and type II errors of statistical significance tests, including the t test, the Wilcoxon-Mann-Whitney test, and the van der Waerden, or normal scores, test. The present note also focuses attention on an aspect of the prob lem that is neglected in the literature: The equivalence of various nonparametric tests and their parametric counterparts performed on ranks, or the rank transfor mation concept, provides a rationale for the influence of unequal variances on test statistics calculated from ranks. MY PURPOSE in the present note is to call attention to a simple property of ranks that researchers and applied statisticians sometimes overlook when using statistical methods based on ranks. This property, noted by Pratt (1964) and Zaremba (1965), and later by many other authors, has implications for the prob lem of homogeneity of variance in statistical significance testing. It reveals that substitution of nonparametric methods for parametric tests such as t and F to overcome violation of the assumption, a procedure widely recommended in introductory textbooks, does not accomplish what is intended. Although some textbook authors have become aware of this problem in recent years, they have missed its connection with the rank transformation concept, or the equivalence of various nonparametric tests with parametric counterparts per formed on ranks replacing scores. In the present note, I emphasize that this con
当任意两组或两组以上方差不等的分数组合在一起并排为一组时,相应的排名集继承不相等的方差。这一事实在非参数统计理论中是众所周知的,但在实践中,研究人员和应用统计学家经常忽略它的含义。由于这一性质,在统计显著性检验中,熟悉的非参数秩检验不能克服治疗组异质性方差的影响。一项模拟研究明确表明,分数到排名的转换减少了方差异质性,尽管不足以防止统计显著性检验(包括t检验、Wilcoxon-Mann-Whitney检验和van der Waerden或正常分数检验)的I型和II型错误概率的严重扭曲。本说明还集中注意在文献中被忽视的问题的一个方面:对等级进行的各种非参数检验及其参数对应物的等价性,或等级转换概念,为不等方差对从等级计算的检验统计量的影响提供了一个基本原理。我在本说明中的目的是提请注意研究人员和应用统计学家在使用基于排名的统计方法时有时忽略的排名的一个简单属性。Pratt(1964)和Zaremba(1965)以及后来的许多其他作者都注意到这一性质,这对统计显著性检验中方差的同质性问题有影响。它揭示了用非参数方法代替参数检验(如t和F)来克服违反假设的情况,这是介绍性教科书中广泛推荐的一种方法,但并没有达到预期的目的。虽然近年来一些教科书的作者已经意识到这个问题,但他们忽略了它与秩变换概念的联系,或者在秩取代分数的情况下,各种非参数检验与参数检验的等价性。在本照会中,我强调这一点
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引用次数: 34
How Expectation of Questioning Method Affects Undergraduates' Preparation for Class 问法预期如何影响大学生备课
IF 2.2 4区 教育学 Q1 Social Sciences Pub Date : 1996-07-01 DOI: 10.1080/00220973.1996.9943462
D. McDougall, Cheryl D. Granby
Abstract Results of this experimental study indicated that undergraduates who expected their instructor to call on them, at random, to answer questions during class (a) completed more assigned readings before class, (b) recalled more information from these readings, and (c) demonstrated greater confidence in their reading recall than did classmates who expected their instructor to use voluntary oral questioning. These results suggest that college instructors who wish to increase undergraduates' preparation for class should carefully assess and select in-class questioning methods to ensure student accountability. Instructors of research methods or statistics can use this experiment as a simulation when teaching students about basic research designs, descriptive statistics, and inferential statistics.
本实验研究的结果表明,期望老师在课堂上随机叫他们回答问题的本科生(a)在课前完成了更多的指定阅读材料,(b)从这些阅读材料中回忆了更多的信息,(c)比期望老师使用自愿口头提问的同学对自己的阅读回忆表现出更大的信心。这些结果表明,希望增加大学生课堂准备的大学教师应该仔细评估和选择课堂提问方法,以确保学生问责。研究方法或统计学的讲师在教授学生基本研究设计、描述性统计和推理统计时,可以使用这个实验作为模拟。
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引用次数: 17
Applying Herrnstein's Matching Law to Influence Students' Choice to Complete Difficult Academic Tasks 运用Herrnstein匹配定律影响学生完成困难学业任务的选择
IF 2.2 4区 教育学 Q1 Social Sciences Pub Date : 1996-07-01 DOI: 10.1080/00220973.1996.9943460
C. Skinner, Sheri L. Robinson, G. Johns, Pat Logan, P. Belfiore
Abstract In an extension of choice research and Herrnstein's matching law to a more ecologically valid setting, college students were asked to work on a control mathematics assignment containing 16 three-digit by two-digit multiplication (3 × 2) problems and an experimental assignment that contained 16 equivalent 3 × 2 problems plus six interspersed 1 × 1 problems. Afterwards, they rated the experimental assignment as less difficult and time-consuming and requiring less effort than the control assignment. Performance on 3 × 2 problems was equivalent across the control and experimental assignments. Furthermore, when given the opportunity to choose a new control-format or experimental-format assignment (each containing similar, but different, problems as the initial assignments), significantly more students chose the latter format Because these results could be explained by the novelty of the problems interspersed in the experimental assignment, another experiment that interspersed division problems was con...
摘要:在选择研究和Herrnstein匹配定律的基础上,研究人员要求大学生完成一项包含16个三位数乘两位数乘法(3x2)问题的控制数学作业,以及一项包含16个等效的3x2问题和6个穿插的1x1问题的实验作业。之后,他们认为实验任务比对照任务更容易、更耗时、更省力。在3 × 2问题上的表现在控制和实验任务中是相同的。此外,当有机会选择一个新的控制格式或实验格式的作业(每个作业都包含与初始作业相似但不同的问题)时,更多的学生选择后一种格式。因为这些结果可以用实验作业中穿插的问题的新颖性来解释,所以另一个穿插除法问题的实验是错误的。
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引用次数: 96
Assessing Goodness of Fit: Is Parsimony Always Desirable? 评估适合度:节俭总是可取的吗?
IF 2.2 4区 教育学 Q1 Social Sciences Pub Date : 1996-07-01 DOI: 10.1080/00220973.1996.10806604
H. Marsh, K. Hau
AbstractMany mechanistic rules of thumb for evaluating the goodness of fit of structural equation models (SEM) emphasize model parsimony; all other things being equal, a simpler, more parsimonious model with fewer estimated parameters is better than a more complex model Although this is usually good advice, in the present article a heuristic counterexample is demonstrated in which parsimony as typically operationalized in indices of fit may be undesirable. Specifically, in simplex models of longitudinal data, the failure to include correlated uniquenesses relating the same indicators administered on different occasions will typically lead to systematically inflated estimates of stability. Although simplex models with correlated uniquenesses are substantially less parsimonious and may be unacceptable according to mechanistic decision rules that penalize model complexity, it can be argued a priori that these additional parameter estimates should be included. Simulated data . are used to support this claim a...
摘要许多评价结构方程模型拟合优度的机械经验法则强调模型的简约性;在所有其他条件相同的情况下,一个更简单、更简洁、估计参数更少的模型比一个更复杂的模型更好。尽管这通常是一个很好的建议,但在本文中,我们展示了一个启发式反例,其中简洁在拟合指数中通常是不可取的。具体地说,在纵向数据的单纯形模型中,未能包括在不同场合管理的相同指标的相关唯一性,通常会导致系统地夸大稳定性估计。尽管具有相关唯一性的单纯形模型实质上不那么简洁,并且根据惩罚模型复杂性的机制决策规则可能是不可接受的,但是可以先验地认为应该包括这些额外的参数估计。模拟数据。都被用来支持这一说法…
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引用次数: 631
Adolescents’ Out-of-School Learning Strategies 青少年校外学习策略
IF 2.2 4区 教育学 Q1 Social Sciences Pub Date : 1996-07-01 DOI: 10.1080/00220973.1996.10806601
D. Bergin
Little is known about how students go about learning in out-of-school settings, how they self-regulate their learning in these settings, and whether school learning affects out-of-school learning. Research on these questions is important because a major purpose of schooling is to enable students to learn on their own in the world beyond school. In the present study, high school students were surveyed to determine their out-of-school activities, use of learning strategies in these activities, engagement in school-prompted interests, and self-efficacy for out-of-school learning. Students reported low rates of using learning strategies in their out-of-school pursuits. Students who became so interested in a topic in school that they learned more about it outside of school (i.e., a school-prompted interest) did not have greater self-efficacy for learning or higher grades, but they did report greater use of out-of-school learning strategies, a higher number of out-of-school activities, and greater likelihood of having done a large project on their own. African American and White students were equally likely to have experienced a school-prompted interest, but Whites were more likely to have done projects. These findings suggest the need for more school instruction in learning strategies that encourages their transfer to the out-of-school domain
关于学生如何在校外环境中学习,他们如何在这些环境中自我调节学习,以及学校学习是否影响校外学习,我们知之甚少。对这些问题的研究很重要,因为学校教育的一个主要目的是让学生在学校之外的世界里自己学习。在本研究中,调查了高中生的校外活动、在这些活动中使用学习策略、参与学校激发的兴趣和校外学习的自我效能感。据报告,学生们在校外活动中使用学习策略的比例很低。那些在学校里对某一话题非常感兴趣,以至于在校外学得更多的学生(即学校激发的兴趣),在学习方面并没有更高的自我效能感或更高的成绩,但他们确实更多地使用了校外学习策略,参加了更多的校外活动,更有可能自己完成了一个大项目。非裔美国学生和白人学生同样有可能经历过学校激发的兴趣,但白人学生更有可能完成项目。这些发现表明,学校需要更多的学习策略指导,以鼓励他们转移到校外领域
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引用次数: 22
Gender and Developmental Differences in the Academic Study Behaviors of Elementary School Children. 小学生学业学习行为的性别与发展差异。
IF 2.2 4区 教育学 Q1 Social Sciences Pub Date : 1996-07-01 DOI: 10.1080/00220973.1996.9943461
T. Hancock, W. Stock, R. W. Kulhavy, L. Swindell
Abstract Study behaviors common to elementary school students were identified by teachers, and critical incidents of study behavior were derived from student interviews. A 40-item study behavior questionnaire was developed from the resulting data and administered to 793 elementary students. Factor analysis did not yield a stable structure for the total data set. However, further exploration yielded significant grade (fourth and sixth) and gender factors. The factors indicated that fourth-grade boys and girls emphasize overt study activities, but girls are more occupied with text, their thinking appears to be deeper, and their study behavior more deliberate. In sixth-grade, however, girls' predominant perception of study strategies becomes deliberate, planful review for tests, whereas boys are more concerned with independent study behaviors and deep processing of oral classroom interaction. These gender differences in study strategies appear to account for gender differences in academic achievement identif...
摘要通过教师对小学生常见的学习行为进行识别,并通过对学生的访谈得出小学生学习行为中的关键事件。本研究以所得资料为基础,编制40项研究行为问卷,并对793名小学生进行问卷调查。因子分析并没有为整个数据集提供一个稳定的结构。然而,进一步的探索发现了显著的年级(第四和第六)和性别因素。这些因素表明,四年级男生和女生都强调显性的学习活动,而女生则更专注于文本,思维更深入,学习行为更刻意。而到了六年级,女生对学习策略的认知主要转变为刻意的、有计划的备考复习,而男生则更关注自主学习行为和课堂口语互动的深度加工。这些学习策略上的性别差异似乎解释了学业成就认同上的性别差异。
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引用次数: 26
期刊
Journal of Experimental Education
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