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相关概念视频

Language and Cognition01:27

Language and Cognition

329
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
329
Health Literacy01:21

Health Literacy

4.0K
Health literacy is an individual's or a community's capacity to comprehend, receive, read, and use relevant healthcare information and services. The World Health Organization (WHO, 2018) defines health literacy as the cognitive and social skills that determine the ability of individuals to gain access to, understand, and use information in ways that promote and maintain good health. As a result, the WHO helps individuals manage long-term health concerns, participate in preventative...
4.0K
Multiple Regression01:25

Multiple Regression

2.9K
Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
Farmers can use multiple regression to determine the crop yield based on more than one factor, such as water availability, fertilizer, soil properties, etc. Here, the crop yield is the response or dependent variable as it depends on the other independent variables. The analysis requires the construction of a scatter plot...
2.9K
Learning Disabilities01:25

Learning Disabilities

84
Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
Dyslexia
Dyslexia is a...
84
Outliers and Influential Points01:08

Outliers and Influential Points

4.0K
An outlier is an observation of data that does not fit the rest of the data. It is sometimes called an extreme value. When you graph an outlier, it will appear not to fit the pattern of the graph. Some outliers are due to mistakes (for example, writing down 50 instead of 500), while others may indicate that something unusual is happening. Outliers are present far from the least squares line in the vertical direction. They have large "errors," where the "error" or residual is the...
4.0K
Group Design02:01

Group Design

8.9K
The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
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相关实验视频

Updated: Jun 9, 2025

Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills
06:52

Using Cholesky Decomposition to Explore Individual Differences in Longitudinal Relations between Reading Skills

Published on: September 17, 2019

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影响识字的多变量结构:集群分析.

Remziye Akarsu1, Gonca Bumin2, Yusuf Celik3

  • 1Deparment of Occupational Therapy, Faculty of Health Sciences, Biruni University, İstanbul, Turkey.

PloS one
|October 29, 2024
PubMed
概括

这项研究探讨了学龄前儿童的早期识字技能,通过层次集群分析确定了关键因素. 研究结果揭示了影响读写能力发展的不同类型变量,有助于未来的研究设计.

科学领域:

  • 儿童发展 儿童发展
  • 教育心理学教育心理学
  • 语言学的语言学.

背景情况:

  • 早期的识字技能是学业成功的基础.
  • 对学龄前儿童这些技能进行整体检查至关重要.
  • 了解影响变量有助于针对性干预.

研究的目的:

  • 研究学龄前儿童早期识字能力.
  • 确定与识字发展相关的变量聚类,使用树状图.
  • 减少多变量复杂性,以获得更清晰的见解.

主要方法:

  • 对166名学龄前儿童进行了分层集群分析 (CA).
  • 分析了44个变量,包括社会人口统计学,儿童-家长,行为和基于技能的因素.
  • 使用树图来可视化变量关系.

主要成果:

  • 确定了早期识字发展中的可变聚类趋势.
  • 将44个变量缩小为两个主要集群和六个子集群.
  • 证明了 CA 在简化复杂数据集中的实用性.

结论:

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  • 这项研究强调了影响早期识字的因素的相互联系.
  • 建议在未来的识字研究中考虑确定变量关系.
  • 强调多变量分析的价值,以了解复杂的发育领域.