在统一数据集3.0神经心理电池上对认知分散的规范的开发和有效性
Andrew M Kiselica1, Alyssa N Kaser2, Daniel S Weitzner3
1Department of Health Psychology, University of Missouri, Columbia, MO, USA.
概括
这项研究制定了认知分散度,个体内标准偏差 (ISD) 和老年人变化系数 (CoV) 的规范标准. 这些新标准有助于解释临床和研究应用的认知变异性.
科学领域:
- 神经科学是一个神经科学.
- 老年学是一门学科.
- 心理测量 心理测量 心理测量
背景情况:
- 认知分散指数是指神经心理测试表现的个体内变化.
- 分散度的测量表明,它有望用于识别认知失控和功能困难.
- 缺乏规范性数据限制了认知分散措施的实际应用.
研究的目的:
- 开发和评估老年人认知分散的规范得分.
- 为解释临床和研究环境中的认知变异提供实用工具.
主要方法:
- 从统一数据集 (UDS) 中分析了4,283名年龄≥50岁的认知正常参与者的数据 3.0.0.
- 计算的个体内标准偏差 (ISD) 和变化系数 (CoV).
- 开发了受人口调整的z-score,并检查了针对Lewy体疾病的诊断效用.
主要成果:
- 为ISD和Cov扩展得分生成了规范表.
- 认知分散与年龄,教育和种族/种族有关.
- 开发了一个免费访问的Excel计算器,用于规范分数,证明了出色的诊断实用性.
结论:
- 在UDS 3.0上认知分散的规范标准在临床上是有用的.
- 人口调整标准有助于解释老年人的个人内变异性.
- 这些标准支持用于认知评估的临床和研究应用.
更多相关视频
07:18A Behavioral Test Battery for the Repeated Assessment of Motor Skills, Mood, and Cognition in Mice
Published on: March 2, 2019
19.1K
07:02A Computerized Test Battery to Study Pharmacodynamic Effects on the Central Nervous System of Cholinergic Drugs in Early Phase Drug Development
Published on: February 11, 2019
9.8K
相关概念视频
01:22Self-Report Tests of Personality
350
Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.
350
01:29Reliability and Validity
12.7K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
12.7K
01:29Measures of Intelligence
7.2K
Psychologists measure intelligence by using standardized tests that produce a score known as the intelligence quotient or IQ. To understand IQ tests, it's important to recognize the key principles behind their construction: validity, reliability, and standardization.
Validity refers to how well a test measures what it claims to measure. An intelligence test should accurately assess intelligence rather than another characteristic, like anxiety. Criterion validity is one way to evaluate this;...
Validity refers to how well a test measures what it claims to measure. An intelligence test should accurately assess intelligence rather than another characteristic, like anxiety. Criterion validity is one way to evaluate this;...
7.2K
01:21The Bell Curve
188
The normal probability distribution, often depicted as a symmetrical, bell-shaped curve, is fundamental in statistics and the study of natural phenomena. This pattern, famously described by mathematician Carl Friedrich Gauss, shows how data points are distributed around a central mean, with most values near the average and fewer observations occurring as they deviate further from it.
This pattern applies to many human characteristics beyond intelligence, such as height. For example, if you...
This pattern applies to many human characteristics beyond intelligence, such as height. For example, if you...
188