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

Reliability and Validity01:29

Reliability and Validity

13.9K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
13.9K
ECG Interpretation of Arrhythmias I: Sinus Arrhythmias01:16

ECG Interpretation of Arrhythmias I: Sinus Arrhythmias

826
Arrhythmias are disturbances in the heart's rhythm that lead to abnormal heartbeats. These irregularities can originate from different parts of the heart and are classified based on their origin and nature.
Types of Arrhythmias
Sinus Node Arrhythmias
Sinus Bradycardia: Originating from the sinoatrial (SA) node, sinus bradycardia involves slower impulses, resulting in a heart rate of less than 60 beats per minute (bpm). Causes include sleep, vagal stimulation, beta-blockers, hypothyroidism,...
826
Data Validation01:15

Data Validation

1.8K
Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality results. This process is essential when a method is applied to different sample matrices or when procedural modifications are made, ensuring that the results meet acceptable standards across various applications.
Key parameters for method validation include:
1.8K
Data Validation01:03

Data Validation

6.8K
Data validation is an essential part of a comprehensive assessment. Validation is confirming or verifying and opening the door to gathering more assessment data as it clarifies vague or unclear data. The process of checking and verifying the collected information is called data validation. The primary purpose of data validation is to ensure data is as free from error, bias, and misinterpretation as possible.
Nursing assessment guides are generally based on holistic models rather than medical...
6.8K
Endoscopic Studies II: Thoracocentesis01:26

Endoscopic Studies II: Thoracocentesis

1.4K
Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
1.4K
Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

1.1K
An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:
1.1K

You might also read

Related Articles

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

Sort by
Same author

Beyond the Battlefield: Lymphoma Outcomes in Post-9/11 Service Members and Veterans.

Journal of clinical medicine·2026
Same author

Changes in retroperitoneal anatomy of the lumbar spine in supine, prone, and lateral lumbar spine MRIs.

Spine deformity·2026
Same author

The impact of marijuana use on postoperative outcomes in reduction mammaplasty: Risks, complications, and considerations.

Journal of plastic, reconstructive & aesthetic surgery : JPRAS·2026
Same author

Use of Zone 1 REBOA in Deployed U.S. Military Settings Is Associated With Improved Survival to Next Role of Care.

Military medicine·2026
Same author

Validation of a Wearable Photoplethysmography-Based Sensor for Compensatory Reserve Measurement Monitoring in Simulated Human Hemorrhage.

Sensors (Basel, Switzerland)·2026
Same author

Patient-reported outcomes favor below-knee over above-knee amputation in patients with nontraumatic lower extremity wounds.

Wounds : a compendium of clinical research and practice·2026

Related Experiment Video

Updated: Jan 31, 2026

Endoscopic Cholesteatoma Surgery
08:47

Endoscopic Cholesteatoma Surgery

Published on: January 19, 2022

13.0K

Construct validity of a low-cost medium-fidelity endoscopic sinus surgery simulation model.

Yuki Yoshiyasu1,2, Daniel R Chang1,2, Leon Bunegin2

  • 1Department of Otolaryngology-Head and Neck Surgery, University of Texas Health Science Center at San Antonio, San Antonio, Texas, U.S.A.

The Laryngoscope
|December 23, 2018
PubMed
Summary

A new low-cost silicone model for endoscopic sinus surgery (ESS) training has construct validity. Experienced surgeons and residents significantly outperformed novices, confirming its effectiveness for surgical education.

Keywords:
Endoscopic sinus surgerymodel task trainerresident educationsimulationthree-dimensional printingvalidation

More Related Videos

Creation of a High-Fidelity, Low-Cost, Intraosseous Line Placement Task Trainer via 3D Printing
11:45

Creation of a High-Fidelity, Low-Cost, Intraosseous Line Placement Task Trainer via 3D Printing

Published on: August 17, 2022

2.6K
Full-Endoscopic Surgery for Hypothalamic Hamartoma Resection
02:22

Full-Endoscopic Surgery for Hypothalamic Hamartoma Resection

Published on: April 12, 2024

967

Related Experiment Videos

Last Updated: Jan 31, 2026

Endoscopic Cholesteatoma Surgery
08:47

Endoscopic Cholesteatoma Surgery

Published on: January 19, 2022

13.0K
Creation of a High-Fidelity, Low-Cost, Intraosseous Line Placement Task Trainer via 3D Printing
11:45

Creation of a High-Fidelity, Low-Cost, Intraosseous Line Placement Task Trainer via 3D Printing

Published on: August 17, 2022

2.6K
Full-Endoscopic Surgery for Hypothalamic Hamartoma Resection
02:22

Full-Endoscopic Surgery for Hypothalamic Hamartoma Resection

Published on: April 12, 2024

967

Area of Science:

  • Otolaryngology
  • Surgical Education
  • Medical Simulation

Background:

  • Endoscopic sinus surgery (ESS) requires specialized skills.
  • Effective training models are crucial for developing surgical proficiency.
  • Low-cost, high-fidelity simulation tools are needed for widespread adoption.

Purpose of the Study:

  • To assess the construct validity of a novel, low-cost, medium-fidelity silicone injection molded model for ESS training.
  • To determine if the model can differentiate between novice and experienced surgeons.

Main Methods:

  • Thirty-two participants, including fellowship-trained rhinologists, otolaryngology attendings, and residents at various training levels, performed procedures on the model.
  • Performance was evaluated using a validated checklist, comparing novice (PGY 1-2) and experienced (PGY 3-5 and attendings) groups.

Main Results:

  • Otolaryngology attendings and postgraduate year (PGY) 3-5 residents demonstrated significantly better performance than PGY 1-2 residents on most checklist tasks.
  • This performance difference indicates the model's ability to discriminate skill levels.

Conclusions:

  • The study successfully demonstrated the construct validity of the low-cost, medium-fidelity ESS task trainer.
  • This model is a viable and effective tool for endoscopic sinus surgery training.