Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Sample Proportion and Population Proportion01:20

Sample Proportion and Population Proportion

5.1K
Collecting samples or responses from an entire population takes significant time and effort, so a researcher collects responses from only a sample of that population. Suppose a study needs to collect information about a specific mobile application. After sample collection, the researcher analyzes the data and discovers that most individuals in the sample use that specific mobile application. The sample proportion measures the number of individuals in a sample who either use or don't use the...
5.1K
Convenience Sampling Method00:55

Convenience Sampling Method

8.6K
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...
8.6K
Systematic Sampling Method01:17

Systematic Sampling Method

9.9K
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. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
Systematic sampling is one of the simplest methods...
9.9K
Data Collection by Survey01:07

Data Collection by Survey

6.4K
The systematic method of obtaining and analyzing accurate information of a population is called data collection. A survey is a standard method of data collection that involves collecting information from a target human population about their experience, opinion, or knowledge of a product, service, or process. The responses are recorded and interpreted. The most common survey examples are written questionnaires, face-to-face or telephonic conversations, focus groups, and electronic (e-mail or...
6.4K
Stratified Sampling Method01:16

Stratified Sampling Method

11.7K
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. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
To choose a stratified sample, divide the population into groups called strata and then take a...
11.7K
Response Surface Methodology01:16

Response Surface Methodology

82
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:
82

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ecological strategies and extinction risk in butterflies and macro-moths of Great Britain and Ireland: A trait similarity network approach.

PloS one·2026
Same author

Increased VH4+JH6+ antibody heavy chain use in plasmablasts from asymptomatic multiple sclerosis patients.

Genes and immunity·2026
Same author

Context-Dependent Effects of HIV Disclosure on Social Isolation Among Rural PLHIV: A Pilot Configurational Study.

International journal of environmental research and public health·2025
Same author

Intersectional Barriers Among PLHIV in Rural Illinois: Insights from a Pilot QCA Study.

International journal of environmental research and public health·2025
Same author

The Etiology of Autism Spectrum Disorder and Gender Dysphoria.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

Shift work schedules alter immune cell regulation and accelerate cognitive impairment during aging.

Journal of neuroinflammation·2025

Related Experiment Video

Updated: May 24, 2025

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
04:54

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq

Published on: March 19, 2021

4.5K

Open-RDS: An Open-Source Mobile Application for Facilitating Respondent-Driven Sampling Surveys.

Zachary Sappington, Cameron Woodard, Morgan Jackson

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |March 5, 2025
    PubMed
    Summary

    Open-RDS (o-RDS) is a new mobile-first web application designed to simplify respondent-driven sampling (RDS) surveys for hard-to-reach populations. This open-source tool enhances data collection, security, and accessibility for public health research.

    More Related Videos

    Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs
    07:13

    Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs

    Published on: April 9, 2021

    4.2K
    Use of a Video Scoring Anchor for Rapid Serial Assessment of Social Communication in Toddlers
    09:16

    Use of a Video Scoring Anchor for Rapid Serial Assessment of Social Communication in Toddlers

    Published on: March 14, 2018

    10.2K

    Related Experiment Videos

    Last Updated: May 24, 2025

    Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
    04:54

    Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq

    Published on: March 19, 2021

    4.5K
    Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs
    07:13

    Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs

    Published on: April 9, 2021

    4.2K
    Use of a Video Scoring Anchor for Rapid Serial Assessment of Social Communication in Toddlers
    09:16

    Use of a Video Scoring Anchor for Rapid Serial Assessment of Social Communication in Toddlers

    Published on: March 14, 2018

    10.2K

    Area of Science:

    • Public Health
    • Computer Science
    • Social Sciences

    Background:

    • Respondent-driven sampling (RDS) is crucial for studying hidden populations.
    • Traditional RDS methods can be complex and costly.
    • Mobile technology offers potential to improve RDS accessibility and efficiency.

    Purpose of the Study:

    • Introduce Open-RDS (o-RDS), an open-source, mobile-first web application.
    • Streamline the process of conducting RDS surveys.
    • Enhance security, confidentiality, and user-friendliness in RDS data collection.

    Main Methods:

    • Developed a responsive web application accessible on mobile devices.
    • Integrated features for survey creation, management, and data collection.
    • Incorporated security measures, referral tracking, and incentive payment functionalities.

    Main Results:

    • o-RDS provides a cost-effective and user-friendly platform for RDS surveys.
    • The application simplifies survey execution, improving security and referral processes.
    • Mobile-first design enhances accessibility for researchers and participants.

    Conclusions:

    • o-RDS offers a flexible and secure solution for conducting RDS surveys.
    • The open-source nature encourages community development and customization.
    • o-RDS has the potential to improve public health data by expanding reach to hidden populations.