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

Group Design02:01

Group Design

8.9K
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...
8.9K
Experimental Designs01:16

Experimental Designs

11.4K
An experimental design is a systematic process that allows researchers to evaluate the relationship between dependent and independent variables. There are three widely used types of experimental design - pre-experimental design, true experimental design, and quasi-experimental design. In pre-experimental design, the researcher compares the data before and after some interventions or treatments. The true-experimental design has more than one purposefully created group, a commonly measured...
11.4K
Random Sampling Method01:09

Random Sampling Method

11.1K
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. Among the various sampling methods used by...
11.1K
Study Design in Statistics01:15

Study Design in Statistics

8.1K
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...
8.1K
Randomized Experiments01:13

Randomized Experiments

6.9K
The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
6.9K
Sampling Plans01:23

Sampling Plans

181
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...
181
  1. Home
  2. The Future Of Experimental Design: Integrative, But Is The Sample Diverse Enough?
  1. Home
  2. The Future Of Experimental Design: Integrative, But Is The Sample Diverse Enough?

Related Experiment Video

Sampling Soils in a Heterogeneous Research Plot
07:11

Sampling Soils in a Heterogeneous Research Plot

Published on: January 7, 2019

34.5K

The future of experimental design: Integrative, but is the sample diverse enough?

Sakshi Ghai1, Sanchayan Banerjee2

  • 1Department of Psychology, Cambridge University, Cambridge, UK sg912@cam.ac.uk; https://www.psychol.cam.ac.uk/staff/sakshi-ghai.

The Behavioral and Brain Sciences
|February 4, 2024

View abstract on PubMed

Summary
This summary is machine-generated.

This commentary critiques Almaatouq et al.’s integrative approach, highlighting the omission of sample diversity in enhancing experimental generalisability. We propose modifications to better incorporate diversity for more robust scientific findings.

More Related Videos

A Cross-Disciplinary and Multi-Modal Experimental Design for Studying Near-Real-Time Authentic Examination Experiences
00:08

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

Published on: September 4, 2019

7.0K
Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking
13:40

Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking

Published on: December 16, 2010

16.7K

Related Experiment Videos

Sampling Soils in a Heterogeneous Research Plot
07:11

Sampling Soils in a Heterogeneous Research Plot

Published on: January 7, 2019

34.5K
A Cross-Disciplinary and Multi-Modal Experimental Design for Studying Near-Real-Time Authentic Examination Experiences
00:08

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

Published on: September 4, 2019

7.0K
Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking
13:40

Combining Computer Game-Based Behavioural Experiments With High-Density EEG and Infrared Gaze Tracking

Published on: December 16, 2010

16.7K

Area of Science:

  • Metascience
  • Research Methodology
  • Experimental Design

Background:

  • Almaatouq et al. introduced an integrative approach to improve experimental generalisability and commensurability.
  • This approach, however, overlooks the critical role of sample diversity in achieving true generalisability.

Purpose of the Study:

  • To challenge the underestimation of sample diversity in metascientific frameworks.
  • To propose an enhanced design space that explicitly incorporates sample diversity for improved experimental generalisability.

Main Methods:

  • Critical analysis of Almaatouq et al.'s integrative approach.
  • Metascientific commentary focusing on generalisability, context, population, and diversity.
  • Development of a modified design space framework.

Main Results:

  • Identified a significant omission in the original integrative approach regarding sample diversity.
  • Demonstrated that context, population, and diversity are not subsumed dualities but distinct factors.
  • Proposed concrete modifications to the experimental design space to integrate sample diversity.

Conclusions:

  • The generalisability of experiments is significantly hampered by neglecting sample diversity.
  • An enhanced metascientific framework is necessary, explicitly accounting for sample diversity.
  • Integrating sample diversity is crucial for advancing the commensurability and generalisability of scientific research.