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Related Concept Videos

Randomized Experiments01:13

Randomized Experiments

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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
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Blinding01:11

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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.
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Study Designs in Epidemiology

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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.
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Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
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Clinical Trials01:16

Clinical Trials

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Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
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Related Experiment Video

Updated: Sep 26, 2025

E-Patient Counseling Trial E-PACO: Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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A Web-Based Well-being Program for Health Care Workers (Thrive): Protocol for a Randomized Controlled Trial.

Luke A Egan1, Mary Mulcahy2, Karen Tuqiri3

  • 1Neuroscience Research Australia, Randwick, Australia.

JMIR Research Protocols
|April 22, 2022
PubMed
Summary

This study evaluates the Thrive program, a neuroscience-based intervention to boost mental well-being and reduce distress in healthcare workers. The randomized controlled trial will assess its effectiveness over 12 weeks.

Keywords:
COMPAS-WComposure, Own-worth, Mastery, Positivity, Achievement, and Satisfaction for WellbeingRCTbrainhealth carehospitalmental healthneuroscienceonlinerandomized controlled trialresiliencewell-being

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Area of Science:

  • Neuroscience
  • Mental Health Research
  • Digital Health Interventions

Background:

  • Healthcare workers face high stress, exacerbated by the COVID-19 pandemic.
  • Mental health is increasingly defined by well-being, not just absence of illness.
  • The Thrive program is a novel, neuroscience-based digital intervention for healthcare worker well-being.

Purpose of the Study:

  • To evaluate the effectiveness of the Thrive program.
  • To compare the Thrive program against an active control condition.
  • To measure increases in well-being and decreases in psychological distress among healthcare workers.

Main Methods:

  • A 12-week randomized controlled trial with intervention and active control groups.
  • Web-based program delivery via video presentations and digital pamphlets.
  • Surveys administered at weeks 0, 4, 8, and 12 to measure key variables.
  • Planned analyses using linear mixed models to estimate group-by-time interaction effects.

Main Results:

  • The Thrive program was piloted between February and July 2021.
  • A total sample size of at least 200 participants is recommended.
  • The full rollout to remaining hospital wards is scheduled from October to December 2021.

Conclusions:

  • This trial will evaluate a new web-based well-being program for healthcare professionals.
  • Findings will contribute to the evidence base for promoting mental well-being in high-stress occupations.
  • The study aims to enhance mental health support for frontline workers.