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

Randomized Experiments01:13

Randomized Experiments

9.3K
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...
9.3K
Blinding01:11

Blinding

4.0K
Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.
4.0K
Blind Procedures02:07

Blind Procedures

13.9K
Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
13.9K
Bioavailability Study Design: Healthy Subjects Versus Patients01:15

Bioavailability Study Design: Healthy Subjects Versus Patients

202
Bioavailability studies are essential for evaluating a drug's therapeutic efficacy and understanding its absorption patterns under various physiological conditions. Conducting such studies on target patient populations provides more relevant data by simulating real-world disease states. However, practical challenges often necessitate the use of young, healthy adult volunteers as study subjects.Patients may exhibit altered drug absorption patterns due to the effects of the disease itself,...
202
Nurses' Legal Responsibilities I01:27

Nurses' Legal Responsibilities I

2.1K
In healthcare, informed consent is a crucial process that involves thoroughly communicating medical treatment options to patients, including benefits, risks, potential side effects, and alternatives. This process enables patients to make well-informed decisions about their care, ensuring they understand the implications of their choices before consenting to or refusing treatment.
The legal responsibilities of a nurse regarding informed consent include the following:
2.1K
Ethics in Research01:56

Ethics in Research

26.1K
Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.
26.1K

You might also read

Related Articles

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

Sort by
Same author

Dexmedetomidine in The Treatment of Toxicologic Conditions in The Emergency Department: A Dual-Center Retrospective Observational Cohort Study.

Journal of medical toxicology : official journal of the American College of Medical Toxicology·2026
Same author

In Reply: Letter to the Editor on "A Case Report of Delayed, Severe, Paroxysmal Muscle Cramping after Chilean Rose Tarantula (Grammostola rosea) Envenomation".

Clinical practice and cases in emergency medicine·2026
Same author

Intramuscular droperidol, olanzapine, midazolam, or lorazepam to treat methamphetamine intoxication in the emergency department.

The American journal of emergency medicine·2026
Same author

Emergency Department-Initiated Buprenorphine for Opioid Use Disorder: A Randomized Clinical Trial.

JAMA·2026
Same author

Estimation of emergency care cost savings based on caller survey data from a three-state regional poison center.

The American journal of emergency medicine·2026
Same author

Metal sulfide formation on United States coins after hydrogen sulfide exposure.

Clinical toxicology (Philadelphia, Pa.)·2026

Related Experiment Video

Updated: Mar 20, 2026

Working with Human Tissues for Translational Cancer Research
07:48

Working with Human Tissues for Translational Cancer Research

Published on: November 26, 2015

10.4K

Randomizing Patients without Consent: Waiver vs Exception from Informed Consent.

Jon B Cole1, Jeffrey D Ho2, Michelle H Biros3

  • 11Minnesota Poison Control System,Hennepin County Medical Center,Minneapolis,Minnesota USA.

Prehospital and Disaster Medicine
|May 27, 2016
PubMed
Summary
This summary is machine-generated.

In emergency situations, randomizing patients without consent may be necessary. This involves understanding the difference between waiving and excepting informed consent in critical care.

More Related Videos

Transauricular Vagus Nerve Stimulation and Electroencephalographic Assessment in Disorders of Consciousness
04:04

Transauricular Vagus Nerve Stimulation and Electroencephalographic Assessment in Disorders of Consciousness

Published on: July 11, 2025

1.8K
Performing Behavioral Tasks in Subjects with Intracranial Electrodes
12:10

Performing Behavioral Tasks in Subjects with Intracranial Electrodes

Published on: October 2, 2014

12.0K

Related Experiment Videos

Last Updated: Mar 20, 2026

Working with Human Tissues for Translational Cancer Research
07:48

Working with Human Tissues for Translational Cancer Research

Published on: November 26, 2015

10.4K
Transauricular Vagus Nerve Stimulation and Electroencephalographic Assessment in Disorders of Consciousness
04:04

Transauricular Vagus Nerve Stimulation and Electroencephalographic Assessment in Disorders of Consciousness

Published on: July 11, 2025

1.8K
Performing Behavioral Tasks in Subjects with Intracranial Electrodes
12:10

Performing Behavioral Tasks in Subjects with Intracranial Electrodes

Published on: October 2, 2014

12.0K

Area of Science:

  • Emergency Medicine
  • Medical Ethics
  • Clinical Research

Background:

  • Informed consent is a cornerstone of ethical medical practice.
  • Emergency research presents unique challenges to obtaining informed consent.
  • Existing regulations address situations where informed consent cannot be obtained.

Purpose of the Study:

  • To clarify the distinction between waiver and exception from informed consent in emergency research.
  • To analyze the ethical and legal implications of randomizing patients without consent.
  • To provide guidance on navigating consent challenges in prehospital and disaster medicine.

Main Methods:

  • Review of relevant ethical guidelines and regulatory frameworks.
  • Analysis of case scenarios and hypothetical situations.
  • Discussion of the practical application of waiver vs. exception in emergency settings.

Main Results:

  • Waiver of consent requires prior approval from an ethics board and specific conditions.
  • Exception from consent allows for research under certain emergency circumstances without prior approval.
  • Both require robust plans for post-study notification and consent.

Conclusions:

  • Clear understanding and application of waiver and exception are crucial for ethical emergency research.
  • Properly navigating these consent pathways ensures patient rights while enabling vital research.
  • Further dialogue is needed to refine guidelines for consent in critical, time-sensitive medical research.