Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Transient and Steady-state Response01:24

Transient and Steady-state Response

160
In control systems, test signals are essential for evaluating performance under various conditions. The ramp function is effective for systems undergoing gradual changes, while the step function is suitable for assessing systems facing sudden disturbances. For systems subjected to shock inputs, the impulse function is the most appropriate test signal.
These test signals are integral in designing control systems to exhibit two key performance aspects: transient response and steady-state...
160
Testing a Claim about Standard Deviation01:19

Testing a Claim about Standard Deviation

2.4K
A complete procedure to test a claim about population standard deviation or population variance is explained here.
The hypothesis testing for the claim of population standard deviation (or variance) requires the data and samples to be random and unbiased. The population distribution also must be normal. There is no specific requirement on the sample size as the estimation is based on the chi-square distribution.
As a first step, the hypothesis (null and alternative) concerning the claim about...
2.4K
Response Surface Methodology01:16

Response Surface Methodology

95
Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
95
Dose-Response Relationship: Overview01:03

Dose-Response Relationship: Overview

3.0K
Agonists can bind with and activate receptors, resulting in the formation of drug-receptor complexes. Once formed, these complexes catalyze many biochemical processes at the cellular level and subsequently induce a pharmacologic response. The degree of response is directly proportional to the fraction of activated receptors, which in turn, depends on the concentration of the drug at the receptor site as well as the sensitivity of the receptor. An increase in the administered dose contributes to...
3.0K
McNemar's Test01:23

McNemar's Test

162
McNemar's Test is a nonparametric statistical test used to determine if there is a significant difference in proportions between two related groups when the outcome is binary (e.g., yes/no, success/failure). It is beneficial when we have paired data, such as pre-test/post-test designs, where the same subjects are measured under two different conditions. The test is named after the statistician Quinn McNemar, who introduced it in 1947. It is commonly used in situations where subjects are...
162
Goodness-of-Fit Test01:16

Goodness-of-Fit Test

3.3K
The goodness-of-fit test is a type of hypothesis test which determines whether the data "fits" a particular distribution. For example, one may suspect that some anonymous data may fit a binomial distribution. A chi-square test (meaning the distribution for the hypothesis test is chi-square) can be used to determine if there is a fit. The null and alternative hypotheses may be written in sentences or stated as equations or inequalities. The test statistic for a goodness-of-fit test is given as...
3.3K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Neuropsychological impairments in emotion recognition compared to general cognition: profiles across six different neurological disorders.

Journal of neurology·2026
Same author

External Validation of a Prognostic Model for Outcome After Mild Traumatic Brain Injury at 6 Months Post Injury.

European journal of neurology·2026
Same author

Investigating the analytical robustness of the social and behavioural sciences.

Nature·2026
Same author

Developing and validating a frailty score based on patient-reported outcome 3 months after stroke: A Riksstroke-based study.

PloS one·2026
Same author

Augmenting virtual reality exposure for PTSD with physical activity: study protocol of a randomised controlled trial.

European journal of psychotraumatology·2026
Same author

The Compassionate Engagement and Action Scale for Youths: psychometric properties in a clinical psychiatric Swedish sample.

Frontiers in psychology·2026
Same journal

Bayesian evaluation for latent variable models: A tutorial on computing information criteria and bayes factors with the r package bleval.

Psychological methods·2026
Same journal

A stochastic block prior for clustering in graphical models.

Psychological methods·2026
Same journal

Three-level vector autoregressive models.

Psychological methods·2026
Same journal

Scaling cognitive modeling to big data: A deep learning approach to studying individual differences in evidence accumulation model parameters.

Psychological methods·2026
Same journal

Best practices in multilevel modeling for within-cluster group comparisons: An evaluation of coding strategies reflecting group composition and heterogeneity.

Psychological methods·2026
Same journal

A unified framework for psychometrics in experimental psychology: The standardized generalized hierarchical factor model.

Psychological methods·2026
查看所有相关文章

相关实验视频

Updated: Jun 10, 2025

Testing for Metacognitive Responding Using an Odor-based Delayed Match-to-Sample Test in Rats
08:06

Testing for Metacognitive Responding Using an Odor-based Delayed Match-to-Sample Test in Rats

Published on: June 18, 2018

7.2K

基于物品响应理论的连续测试规范.

Hannah M Heister1, Casper J Albers1, Marie Wiberg2

  • 1Department Psychometrics and Statistics, University of Groningen.

Psychological methods
|October 15, 2024
PubMed
概括
此摘要是机器生成的。

一种新的方法,2PL-norm,模拟了心理测试规范的项目响应,比原始分数方法更准确. 它提供了卓越的可信区间覆盖,但在分数分布的极端端可能不那么精确.

更多相关视频

Psychophysically-anchored, Robust Thresholding in Studying Pain-related Lateralization of Oscillatory Prestimulus Activity
07:28

Psychophysically-anchored, Robust Thresholding in Studying Pain-related Lateralization of Oscillatory Prestimulus Activity

Published on: January 21, 2017

6.9K
Making Sense of Listening: The IMAP Test Battery
11:25

Making Sense of Listening: The IMAP Test Battery

Published on: October 11, 2010

15.8K

相关实验视频

Last Updated: Jun 10, 2025

Testing for Metacognitive Responding Using an Odor-based Delayed Match-to-Sample Test in Rats
08:06

Testing for Metacognitive Responding Using an Odor-based Delayed Match-to-Sample Test in Rats

Published on: June 18, 2018

7.2K
Psychophysically-anchored, Robust Thresholding in Studying Pain-related Lateralization of Oscillatory Prestimulus Activity
07:28

Psychophysically-anchored, Robust Thresholding in Studying Pain-related Lateralization of Oscillatory Prestimulus Activity

Published on: January 21, 2017

6.9K
Making Sense of Listening: The IMAP Test Battery
11:25

Making Sense of Listening: The IMAP Test Battery

Published on: October 11, 2010

15.8K

科学领域:

  • 心理测量 心理测量 心理测量
  • 心理测量 心理测量
  • 统计建模 统计建模

背景情况:

  • 标准参考心理测试依赖于对参考人群的标准化得分.
  • 当前的连续规范化方法使用原始测试分数,忽视单个项目响应数据.
  • 取决于年龄的规范要求准确地将原始分数转换为标准化分数.

研究的目的:

  • 引入一个新的贝叶斯物件响应理论模型,2PL-norm,用于心理测试中的持续规范.
  • 将2PL标准的准确性和覆盖范围与已建立的基于原始分数的规范方法 (cNORM,GAMLSS) 进行比较.
  • 为选择基于模型假设和分析目标的适当规范方法提供实际指导.

主要方法:

  • 开发了一种贝叶斯式两参数逻辑 (2PL) 项目响应理论模型 (2PL-norm),其中包含了年龄依赖的潜在特征分布.
  • 模拟的单个项目得分,而不是总的原始得分.
  • 从估计的隐性特征得分和年龄依赖的分布参数中得出的规范.

主要成果:

  • 在模拟中,2PL-norm与cNORM和GAMLSS相比显示出更高的精度和可靠的间隔覆盖.
  • 基于原始分数的方法,特别是GAMLSS,在标准的极端尾部表现更好.
  • 经验数据分析证实了2PL-norm,cNORM和GAMLSS的实际应用和比较.

结论:

  • 2PL-norm提供了一种更准确,更可靠的方法来规范心理测试,当它的假设得到满足时.
  • 对于cNORM来说,GAMLSS是一个可取的替代方案,并且可能更适合于专注于极端得分估计的分析.
  • 该研究提供了实施2PL标准的代码,以促进其在经验实践中的采用.