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

Sample Size Calculation01:19

Sample Size Calculation

3.2K
Knowledge of the sample size is the first requirement to conduct random sampling or an experiment. The sample size is the total number of units, observations, or groups (in some cases) used to get the data to estimate a population parameter. As the name suggests, the sample size is that of the sample drawn from the population and differs from the population size.
The sample size for the given experiment or sampling effort is fundamental to any study design. Sample size decides the number of...
3.2K
Study Design in Statistics01:15

Study Design in Statistics

7.8K
A study design is a set of techniques that allow a researcher to collect and analyze data from different variables defined for a specific research problem. Statistics is commonly for effective study design and more robust experiments,
Does aspirin reduce the risk of heart attacks? Is one brand of fertilizer more effective at growing roses than another? Is fatigue as dangerous to a driver as the influence of alcohol? Questions like these are answered using randomized experiments with proper...
7.8K
Sampling Plans01:23

Sampling Plans

167
Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
167
One-Way ANOVA: Equal Sample Sizes01:15

One-Way ANOVA: Equal Sample Sizes

3.2K
One-Way ANOVA can be performed on three or more samples with equal or unequal sample sizes. When one-way ANOVA is performed on two datasets with samples of equal sizes, it can be easily observed that the computed F statistic is highly sensitive to the sample mean.
Different sample means can result in different values for the variance estimate: variance between samples. This is because the variance between samples is calculated as the product of the sample size and the variance between the...
3.2K
One-Way ANOVA: Unequal Sample Sizes01:15

One-Way ANOVA: Unequal Sample Sizes

5.7K
One-way ANOVA can be performed on three or more samples of unequal sizes. However, calculations get complicated when sample sizes are not always the same. So, while performing ANOVA with unequal samples size, the following equation is used:
5.7K
Statistical Methods for Analyzing Epidemiological Data01:25

Statistical Methods for Analyzing Epidemiological Data

301
Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods:
301

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

Therapeutic efficacy of glucocorticoids, ATP, and antithyroid drugs in acute thyrotoxic myopathy: evaluation using the acute thyrotoxic myopathy symptom score.

Frontiers in endocrinology·2026
Same author

Clinical and molecular characteristics of a series of Chinese children with pseudohypoaldosteronism: a case series.

Translational pediatrics·2026
Same author

Predicting functional topography of the human visual cortex from cortical anatomy at scale.

bioRxiv : the preprint server for biology·2025
Same author

Correction to: 'Perceiving object size in pictures involves high-level processing' (2025), by Altan <i>et al.</i>

Proceedings. Biological sciences·2025
Same author

The spoon illusion: A consistent rearward bias in human sound localisation.

Perception·2025
Same author

Correction: Spatial frequency adaptation modulates population receptive field sizes.

eLife·2025
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 5, 2025

Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities
10:26

Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities

Published on: September 11, 2021

3.9K

一个简单的统计框架,用于小样本研究.

D Samuel Schwarzkopf1, Zien Huang1

  • 1School of Optometry and Vision Science, University of Auckland.

Psychological methods
|December 5, 2024
PubMed
概括
此摘要是机器生成的。

研究人员现在可以用小样本大小测试普遍现象. 一个新的框架允许只有2-5名参与者得出强有力的结论,提高了研究的可信度.

更多相关视频

A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents
08:38

A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents

Published on: November 21, 2019

7.6K
Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems
07:41

Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems

Published on: July 30, 2019

7.4K

相关实验视频

Last Updated: Jun 5, 2025

Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities
10:26

Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities

Published on: September 11, 2021

3.9K
A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents
08:38

A System for Tracking the Dynamics of Social Preference Behavior in Small Rodents

Published on: November 21, 2019

7.6K
Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems
07:41

Modeling the Size Spectrum for Macroinvertebrates and Fishes in Stream Ecosystems

Published on: July 30, 2019

7.4K

科学领域:

  • 心理学 心理学 心理学
  • 神经科学是一个神经科学.
  • 生命科学 生命科学

背景情况:

  • 传统研究推断出平均人口效应.
  • 测试现象的普遍性往往被忽视.
  • 小样本研究缺乏正式的证据价值计算.

研究的目的:

  • 引入一个正式的框架来评估在小样本中的普遍性.
  • 能够从最小的参与者数据中得出可靠的结论.
  • 促进小样本实验设计的预注册.

主要方法:

  • 开发了一个使用二项式概率比率的框架.
  • 将普遍性模型与零星效应零假设进行比较.
  • 采用实验设计,最大限度地提高灵敏度和特异性.

主要成果:

  • 该框架允许在只有2-5名参与者的情况下得出强有力的结论.
  • 证明了顺序测试的灵活性.
  • 提供了定义先验证据值的方法.

结论:

  • 这种方法提高了小样本研究的实用性和可信度.
  • 使研究人员能够从最小的数据中得出有意义的结论.
  • 支持预先注册以进行更严格的科学调查.