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Related Concept Videos

Blinding01:11

Blinding

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.
Clinical Trials01:16

Clinical Trials

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.
There are four phases in a clinical trial. A phase one...
Bioavailability Study Design: Healthy Subjects Versus Patients01:15

Bioavailability Study Design: Healthy Subjects Versus Patients

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,...
Clinical Trials: Overview01:11

Clinical Trials: Overview

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...
Randomized Experiments01:13

Randomized Experiments

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...
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...

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Related Experiment Video

Updated: May 8, 2026

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
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Cluster randomized, controlled trial on patient safety improvement in general practice: a study protocol.

Natasha J Verbakel1, Maaike Langelaan, Theo J M Verheij

  • 1Department of General Practice, Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands. N.J.Verbakel@umcutrecht.nl.

BMC Family Practice
|August 30, 2013
PubMed
Summary

This study compares patient safety culture interventions in primary care. It found that using the SCOPE questionnaire alone or with a workshop can improve safety culture.

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Published on: September 20, 2019

Area of Science:

  • Healthcare Management
  • Patient Safety
  • Organizational Culture

Background:

  • A strong safety culture is crucial for patient safety in healthcare.
  • While hospital strategies are studied, effective primary care interventions remain underexplored.
  • This study addresses the gap in understanding patient safety culture improvement in primary care.

Purpose of the Study:

  • To evaluate the impact of the SCOPE questionnaire alone on patient safety culture.
  • To assess the combined effect of the SCOPE questionnaire and a patient safety workshop.
  • To provide evidence for effective patient safety tools in primary care settings.

Main Methods:

  • A cluster randomized controlled trial involving 30 general practices in the Netherlands.
  • Intervention arms: SCOPE questionnaire with feedback, or SCOPE questionnaire with a workshop.
  • Control arm: usual care. Data collected at baseline and follow-up over one year.

Main Results:

  • The study aims to provide insights into the effectiveness of different patient safety culture interventions.
  • Primary outcome: reported incidents; secondary outcomes: quality/safety indicators and safety culture.
  • Qualitative data from interviews will evaluate the implementation process.

Conclusions:

  • Findings will elucidate the impact of a patient safety questionnaire versus a questionnaire combined with a workshop.
  • Results will inform the implementation of patient safety tools and guide future research.
  • The study acknowledges its strengths and limitations to contextualize findings.