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Design Example: Vintage Mixing Console01:17

Design Example: Vintage Mixing Console

582
A sound engineer at a music company recently encountered a problem. The output from their newly acquired studio's vintage mixing console was too low for the requirements of modern recording equipment. To rectify this situation, the engineer decided to design an audio pre-amplifier using an operational amplifier (op-amp) to boost the signal level.
The specifications for the pre-amplifier were clear. It needed to amplify the audio signal by a factor of 10, have an input impedance above 10...
582
Group Design02:01

Group Design

10.5K
The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
10.5K
Design Example: Managing Concrete Workability01:14

Design Example: Managing Concrete Workability

313
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
313
Study Designs in Epidemiology01:20

Study Designs in Epidemiology

977
Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
Observational studies are those where the researcher does not intervene but rather observes natural variations. They include cross-sectional, cohort, and...
977
Study Design in Statistics01:15

Study Design in Statistics

10.0K
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...
10.0K
Factorial Design02:01

Factorial Design

13.8K
Factorial Analysis is an experimental design that applies Analysis of Variance (ANOVA) statistical procedures to examine a change in a dependent variable due to more than one independent variable, also known as factors. Changes in worker productivity can be reasoned, for example, to be influenced by salary and other conditions, such as skill level. One way to test this hypothesis is by categorizing salary into three levels (low, moderate, and high) and skills sets into two levels (entry level...
13.8K

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相关实验视频

Updated: Feb 4, 2026

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
07:40

Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design

Published on: May 31, 2021

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设计案例管理手机健康应用程序用于暴力干预计划:混合方法以人为本的设计研究研究

Marianna G Salvatori1, Devika Patel1,2, Adrienne Paige Baer3

  • 1The Better Lab, University of California, San Francisco, 2540 23rd Street, 4th Fl., San Francisco, CA, 94110, United States, 1 5102550453.

JMIR formative research
|February 2, 2026
PubMed
概括
此摘要是机器生成的。

这项研究开发了一个移动健康 (mHealth) 应用程序,使用以人为中心的设计来改善暴力幸存者及其暴力预防专业人员 (VPP) 的沟通和资源访问. 该应用程序通过解决诸如信任,定制资源和客户赋权等关键主题来增强案例管理.

关键词:
通过RITE的方法.案例管理 案例管理以人为中心的设计移动健康 移动健康 移动健康 移动健康移动应用程序移动应用程序移动健康的移动健康手机电话 手机电话手机电话防止暴力 预防暴力

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相关实验视频

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Validation of a Psychosocial Intervention on Body Image in Older People: An Experimental Design
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科学领域:

  • 数字健康干预措施 数字健康干预措施
  • 人与计算机的互动.
  • 公共卫生技术 公共卫生技术

背景情况:

  • 基于医院的暴力干预计划 (VIPs) 显示出希望,但由于时间限制和效率低下的做法而面临限制.
  • 暴力预防专业人员 (VPP) 作为案例经理,将幸存者与基本资源联系起来.
  • 现有的移动健康 (mHealth) 应用程序并不是专门为VIP服务的弱势群体设计的.

研究的目的:

  • 设计一个根据VPP和暴力幸存者的需求量身定制的mHealth应用程序.
  • 改善VPP与客户之间的沟通和资源可访问性.
  • 为应用程序开发利用以人为本的设计 (HCD) 和代原型设计.

主要方法:

  • 采用HCD方法,包括参与式设计,低保真原型测试和高保真原型测试 (快速代测试和评估 - RITE).
  • 与VPP进行了深入采访和共同设计会议,以告知设计代.
  • 利用诱导性定性分析来解释反和完善mHealth应用程序的设计.

主要成果:

  • 参与式设计确定了关键主题:信任,个人联系,量身定制的资源和行政负担管理.
  • 原型测试揭示了其他主题:直观的设计,进度跟踪,标准化的语言,边界控制,成功庆祝,客户赋权和温暖的交付.
  • 快速代测试和评估 (RITE) 方法实现了73%的影响率,解决了181个确定的可用性问题中的133.

结论:

  • 综合的HCD和RITE方法成功创建了一个mHealth应用程序,专门用于支持暴力幸存者的VPP.
  • 开发的应用程序解决了由VPPs确定的关键需求,增强了案件管理.
  • 这种方法为开发其他专业人群的移动健康解决方案提供了可转移的模型.