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Data Collection by Experiments01:13

Data Collection by Experiments

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Data collection is a systematic method of obtaining, observing, measuring, and analyzing accurate information. An experimental study is a standard method of data collection that involves the manipulation of the samples by applying some form of treatment prior to data collection. It refers to manipulating one variable to determine its changes on another variable. The sample subjected to treatment is known as “experimental units.”
An example of the experimental method is a public...
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Convenience Sampling Method00:55

Convenience Sampling Method

8.9K
Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population.
Convenience sampling is a non-random method of sample selection; this method selects individuals that are easily accessible and may result in biased data. For example, a marketing...
8.9K
Sampling Methods: Overview01:06

Sampling Methods: Overview

375
A sample refers to a smaller subset representative of a larger population. In analytical chemistry, studying or analyzing an entire population is often impractical or impossible. Therefore, samples are used to draw inferences and generalize the whole population. The sampling method selects individuals or items from a population to create a sample. Standard sampling methods include random, judgemental, systematic, stratified, and cluster sampling. 
In analytical chemistry, the choice of...
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相关实验视频

Updated: Jul 18, 2025

An Application for Pairing with Wearable Devices to Monitor Personal Health Status
06:58

An Application for Pairing with Wearable Devices to Monitor Personal Health Status

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埃斯米拉:一个分散的开源应用程序,用于收集经验抽样数据.

David Lewetz1, Stefan Stieger2

  • 1Department of Psychology and Psychodynamics, Karl Landsteiner University of Health Sciences, Dr. Karl-Dorrek-Straße 30, A-3500, Krems an der Donau, Austria. david.lewetz@kl.ac.at.

Behavior research methods
|August 21, 2023
PubMed
概括
此摘要是机器生成的。

ESMira是一个免费的,开源的移动应用程序和服务器,用于经验采样方法 (ESM) 研究. 它为研究人员提供了完全的数据控制,增强的安全性和易于使用的功能,用于复杂的研究设计.

关键词:
健行诊断的评估方式安卓安卓安卓是一个安卓系统.分散的去中心化.生态瞬间评价 生态瞬间评价这是开源的,开源的.智能手机就是智能手机.在 iOS 上,您可以使用iOS.

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A Cross-Disciplinary and Multi-Modal Experimental Design for Studying Near-Real-Time Authentic Examination Experiences
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A Cross-Disciplinary and Multi-Modal Experimental Design for Studying Near-Real-Time Authentic Examination Experiences

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Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data
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Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data

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相关实验视频

Last Updated: Jul 18, 2025

An Application for Pairing with Wearable Devices to Monitor Personal Health Status
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An Application for Pairing with Wearable Devices to Monitor Personal Health Status

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科学领域:

  • 心理学 心理学 心理学
  • 计算机科学 计算机科学
  • 研究方法研究方法研究方法学

背景情况:

  • 经验采样方法 (ESM) 研究需要专门的数据收集工具.
  • 现有的平台可能在成本,数据控制或技术要求方面存在限制.

研究的目的:

  • 介绍ESMira,一个新的,免费的,开源的ESM研究平台.
  • 突出ESMira的特点,重点关注易用性,数据安全性和行政控制.
  • 展示平台能够支持复杂的研究设计和道德考虑的能力.

主要方法:

  • 开发一个分散的服务器和移动应用程序 (Android,iOS).
  • 实施知情同意,数据加密和匿名性的功能.
  • 专注于一个用户友好的界面,用于研究设置和参与者互动.
  • 包括高级功能,如匿名聊天和奖励系统.

主要成果:

  • 埃斯米拉为ESM研究提供了一个免费的开源解决方案.
  • 该平台为研究人员提供了对研究数据和设计的重要控制权.
  • 欧洲社会保障基金支持复杂的抽样策略和参与者参与功能.
  • 它通过强大的设计确保了数据安全和参与者的匿名性.

结论:

  • ESMira为研究人员提供了一种灵活,安全和具有成本效益的ESM研究工具.
  • 该平台的去中心化和开源性质促进了独立性和协作.
  • 在保持道德标准的同时,ESMira促进了复杂的研究设计的实施.