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

Random Error01:04

Random Error

882
Random or indeterminate errors originate from various uncontrollable variables, such as variations in environmental conditions, instrument imperfections, or the inherent variability of the phenomena being measured. Usually, these errors cannot be predicted, estimated, or characterized because their direction and magnitude often vary in magnitude and direction even during consecutive measurements. As a result, they are difficult to eliminate. However, the aggregate effect of these errors can be...
882
Random and Systematic Errors01:20

Random and Systematic Errors

10.9K
Scientists always try their best to record measurements with the utmost accuracy and precision. However, sometimes errors do occur. These errors can be random or systematic. Random errors are observed due to the inconsistency or fluctuation in the measurement process, or variations in the quantity itself that is being measured. Such errors fluctuate from being greater than or less than the true value in repeated measurements. Consider a scientist measuring the length of an earthworm using a...
10.9K

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

Making time for a dynamic attentional priority map.

Trends in cognitive sciences·2026
Same author

Biasmapping: Idiosyncratic covert search in the vicinity of fixation.

Journal of experimental psychology. Human perception and performance·2026
Same author

Interfacial charge-transfer-driven uptake and reduction of hexavalent chromium on amine-functionalized bentonite: mechanistic insights into surface chemistry and electron-transfer processes.

Journal of environmental management·2026
Same author

The lack of efficacy of high-definition transcranial direct current stimulation in the five-day training of a difficult visual search task.

Brain stimulation·2026
Same author

Research on the influence mechanism of exploitative leadership on employees' job insecurity from an observer's perspective.

Frontiers in psychology·2026
Same author

The Shape of Saccade-based Functional Visual Fields (FVFs): A cautionary note.

Attention, perception & psychophysics·2026
Same journal

Self-face recognition under self-implicating threat: preserved self-prioritization and recalibrated control dynamics.

Cognitive research: principles and implications·2026
Same journal

Out of sight, out of mind? How discarded items shape environmental judgments.

Cognitive research: principles and implications·2026
Same journal

Implicit learning of social information in contextual cueing.

Cognitive research: principles and implications·2026
Same journal

A downside of conceptual metaphor: metaphoric alignments of black and white.

Cognitive research: principles and implications·2026
Same journal

Visual attention in bilingual instructional videos: effects of audiovisual congruency and subtitle language.

Cognitive research: principles and implications·2026
Same journal

Predicting accuracy in eyewitness showups: confidence and response time in the laboratory, confidence in the field.

Cognitive research: principles and implications·2026
查看所有相关文章

相关实验视频

Updated: Jun 30, 2025

Simultaneous Eye Tracking and Single-Neuron Recordings in Human Epilepsy Patients
07:43

Simultaneous Eye Tracking and Single-Neuron Recordings in Human Epilepsy Patients

Published on: June 17, 2019

7.7K

视觉搜索中的错误:它们是随机的还是决定性的?

Aoqi Li1, Johan Hulleman2, Jeremy M Wolfe3,4

  • 1The University of Manchester, Manchester, UK. aoqi.li@manchester.ac.uk.

Cognitive research: principles and implications
|March 19, 2024
PubMed
概括
此摘要是机器生成的。

视觉搜索错误是随机的 (随机的) 或一致的 (决定性的). 在视觉搜索任务中减少确定性错误可能需要特定的注意力指导线索,特别是在较低的对比度.

关键词:
确定性误差 确定性误差是指确定性的误差.随机错误 随机错误 是一个随机错误.视觉搜索 视觉搜索 视觉搜索

更多相关视频

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
05:58

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking

Published on: August 29, 2018

8.9K
Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills
09:27

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills

Published on: January 19, 2024

1.2K

相关实验视频

Last Updated: Jun 30, 2025

Simultaneous Eye Tracking and Single-Neuron Recordings in Human Epilepsy Patients
07:43

Simultaneous Eye Tracking and Single-Neuron Recordings in Human Epilepsy Patients

Published on: June 17, 2019

7.7K
Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
05:58

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking

Published on: August 29, 2018

8.9K
Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills
09:27

Author Spotlight: Exploring the Link Between Time Perception of Visual Stimuli and Reading Skills

Published on: January 19, 2024

1.2K

科学领域:

  • 认知心理学 认知心理学
  • 视觉感知 视觉感知 视觉感知
  • 人类因素 人类因素

背景情况:

  • 视觉搜索任务在研究和现实世界场景中都是常见的,容易出现观察员错误.
  • 视觉搜索中的错误可以归类为确定性 (在重复试验中出现的一致错误) 或随机性 (随机错误).
  • 了解错误类型对于在视觉搜索中开发有效的错误减轻策略至关重要.

研究的目的:

  • 在简单的视觉搜索任务中实证地分类错误.
  • 调查目标可见度对错误类型的影响 (随机与决定性).
  • 评估不同注意力提示方法在减少视觉搜索错误方面的有效性.

主要方法:

  • 在视觉搜索任务中,观察者在分心字母 ("L") 中搜索目标字母 ("T").
  • 显示显示两次以评估错误的一致性 (决定性与随机性).
  • 通过在杂的背景下改变字母对比度来操纵目标的可见性,并且在某些条件下使用了注意力线索.

主要成果:

  • 在高可见性条件下,错误主要是随机的.
  • 减少目标可见性导致了随机和决定性错误的混合,较低的对比度增加了决定性错误.
  • 一般的注意力线索并没有减少错误,但对所有项目的位置的注意力线索有效地减少了确定性错误.

结论:

  • 视觉搜索中的错误类型受到目标可见性的影响.
  • 确定性错误,特别是在低对比度时普遍存在,可以通过提示所有项目的位置来减轻.
  • 需要有针对性的干预措施来解决视觉搜索中的不同类型的错误.