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《Multivariate behavioral research》2013,48(1):101-116
Different applicatiions require different systems of cluster analysis. The ways in which systems differ are pointed out. The present system was designed originally; to identify, in a homogeneous callection of questionnaire or inventory items or of tests, groups of items which can be scored as subtests, or groups of tests which can be combined to yield globa1-trait scores, but it may well be applicable to other problems. 相似文献
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《Multivariate behavioral research》2013,48(4):517-522
Statistical significance is not part of the scientific method. The three canons of reproducibility of an experiment: Data Matrix Homegeneity, Subject Generalizability, and Method Generalizability provide better guides to experimentation and theory development. As adjuncts to Scientific Method they provide a better basis for evaluation of statistical findings. 相似文献
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Jrgen Aage Jensen 《Scandinavian journal of psychology》1970,11(1):196-212
The problem of assessing concrete transitivity of length is explored with a non-verbal design employing nine sets of three sticks each. A training phase is used to establish the relevant variable to which the subjects must attend, to obtain a bead. A test phase consists of eight trials, in which the elements A, B, and C, are displayed in a systematic variation. A subject is said to display transitivity, when he more than five times in the eight trials chooses the largest of three sticks, A, on the basis of the information A > B and B 7< C. In a group of 20 children, varying in age between 52 and 80 months, half of the group, which is socio-economically upper-middle class, displayed transitivity. However, the youngest child displaying transitivity with six correct test-trials was 5 1/2 years old. The youngest child displaying transitivity with eight correct trials was 6 1/4 years old. 相似文献
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本项研究把课堂教学看成一个动态系统。在广泛收集资料和运用特尔斐法进行调查的基础上,又经两次因子分析处理,得出问卷量表。用此量表在62名初中数学教师所教的1937名学生中取得数据。经多因素统计分析,提出课堂教学的五个子系统和二十五项心理因素的可靠性;突破了以往研究的局限性;探讨了课堂教学结构心理因素的数量化和预测教学效果的可能性;增强了评议课堂教学质量的客观性。 相似文献
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早老性痴呆病人早期记忆损害的检测方法 总被引:2,自引:0,他引:2
采用词语延迟回忆、记忆广度和双任务工作记忆测验,研究可能用于检测(Alzheimer’s disease,AD)早期记忆损害的方法。共有4组被试:两个正常年轻人组、一个正常老年人组、一个很可能患早老性痴呆病人(Probable AD,PAD)组。结果表明:(1)正常年轻人和正常老年人的词语延迟回忆保持率没有显著差异,而PAD患者表现出明显受损;(2)两个正常年轻人组的双任务工作记忆成绩也没有显著不同,与之相比,正常老年人组有一定程度的降低,而PAD患者表现出更大程度的损害;(3)4组被试的记忆广度都不相同。这些结果提示,词语延迟回忆和双任务工作记忆测验可能能够用于检测AD早期的记忆损害。 相似文献
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