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

Experimental Designs01:16

Experimental Designs

18.3K
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...
18.3K
Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs01:15

Bioequivalence Experimental Study Designs: Repeated Measures, Cross-Over, Carry-Over, and Latin Square Designs

307
Body:Bioequivalence experimental study designs play a pivotal role in testing the effectiveness of various treatments. Key among these are the repeated measures, cross-over, carry-over, and Latin square designs. In the repeated measures design, each subject receives all treatments, allowing for temporal comparisons. This type of design is useful in reducing variability but requires careful planning to avoid bias.The cross-over design, an economical method, involves sequential administration of...
307

You might also read

Related Articles

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

Sort by
Same author

Experimental Designs for Preclinical Neuroscience Experiments: Part 2-Blocking and Blocked Designs.

eNeuro·2026
Same author

Compassion Fatigue Rounds (CFR): A Proactive Brief Intervention to Introduce Mental Health Awareness in a Veterinary Clerkship.

Journal of veterinary medical education·2024
Same author

Study design: think 'scientific value' not '<i>p</i>-values'.

Laboratory animals·2024
Same author

<i>Laboratory Animals</i> presents Special Issue Biostatistics Notes.

Laboratory animals·2024
Same author

Urinalysis and culture results of free-catch urine samples in dogs: a randomised controlled trial.

The Journal of small animal practice·2024
Same author

Statistical design of experiments: the forgotten component of Reduction.

Lab animal·2024
Same journal

Translational profiling of Drd2-expressing populations reveals molecular heterogeneity of dentate gyrus mossy cells along the dorsoventral axis.

eNeuro·2026
Same journal

Movement Disorder Patients with Depression have Altered Corticostriatal Alpha-Beta Power Response to Reward and Loss.

eNeuro·2026
Same journal

Ocular speech tracking persists in blindness, but its dynamics and oculo-cerebral connectivity depend on visual status.

eNeuro·2026
Same journal

Emergent multidien cycles from partial circadian synchrony.

eNeuro·2026
Same journal

Adolescent social isolation induces persistent impairments in emotional discrimination and helping behavior.

eNeuro·2026
Same journal

Increased Ih Current Is Associated with Reduced Hippocampal CA1 Excitability in a Mouse Model of Multiple Sclerosis.

eNeuro·2026
See all related articles

Related Experiment Video

Updated: Feb 28, 2026

A Within-Subject Experimental Design using an Object Location Task in Rats
09:28

A Within-Subject Experimental Design using an Object Location Task in Rats

Published on: May 6, 2021

5.3K

Experimental Designs for Preclinical Neuroscience Experiments: Part I-Design Basics.

P S Reynolds1

  • 1University of Florida, Gainesville, Florida 32610 psreynolds201@gmail.com.

Eneuro
|February 25, 2026
PubMed
Summary
This summary is machine-generated.

Implementing statistically sound experimental design principles, including randomization, replication, and blocking, is crucial for ethical animal research. This approach enhances data reliability and reproducibility while minimizing animal use.

Keywords:
3Rsdesign of experimentsrandomizationreplicationreproducibilityvariance minimization

More Related Videos

A Fully Automated Rodent Conditioning Protocol for Sensorimotor Integration and Cognitive Control Experiments
09:43

A Fully Automated Rodent Conditioning Protocol for Sensorimotor Integration and Cognitive Control Experiments

Published on: April 15, 2014

11.1K
Adaptable Angled Stereotactic Approach for Versatile Neuroscience Techniques
06:21

Adaptable Angled Stereotactic Approach for Versatile Neuroscience Techniques

Published on: May 7, 2020

5.8K

Related Experiment Videos

Last Updated: Feb 28, 2026

A Within-Subject Experimental Design using an Object Location Task in Rats
09:28

A Within-Subject Experimental Design using an Object Location Task in Rats

Published on: May 6, 2021

5.3K
A Fully Automated Rodent Conditioning Protocol for Sensorimotor Integration and Cognitive Control Experiments
09:43

A Fully Automated Rodent Conditioning Protocol for Sensorimotor Integration and Cognitive Control Experiments

Published on: April 15, 2014

11.1K
Adaptable Angled Stereotactic Approach for Versatile Neuroscience Techniques
06:21

Adaptable Angled Stereotactic Approach for Versatile Neuroscience Techniques

Published on: May 7, 2020

5.8K

Area of Science:

  • Preclinical research
  • Neuroscience
  • Biostatistics

Background:

  • Rigorous experimental design is essential for ethical and effective animal research.
  • Many preclinical researchers lack familiarity with formal Design of Experiments (DOE).
  • Poorly designed studies lead to irreproducibility, translational failures, and increased animal use.

Purpose of the Study:

  • Introduce neuroscience researchers to fundamental principles of statistically based experimental design.
  • Advocate for DOE as an alternative to traditional two-group comparisons.
  • Highlight the importance of proper experimental unit identification to prevent pseudo-replication.

Main Methods:

  • Define key components of a designed experiment.
  • Explain Fisher's three core principles: randomization, replication, and blocking.
  • Emphasize probability-based random allocation and computer-generated randomization plans.

Main Results:

  • Designed experiments control bias and manage variation for valid statistical inferences.
  • Blocking is presented as a method to reduce nuisance variation.
  • Early integration of robust design principles yields reliable and reproducible data.

Conclusions:

  • Statistically grounded experimental design is vital for ethical and reproducible animal research.
  • Adherence to randomization, replication, and blocking ensures data integrity.
  • This series provides foundational knowledge for improving experimental practices in neuroscience.