Related Experiment Video
Updated: Feb 5, 2026
10:26
Problem-Solving Before Instruction PS-I: A Protocol for Assessment and Intervention in Students with Different Abilities
Published on: September 11, 2021
4.5K
Computer-Based Video Instruction for Training Medical Students on Skin Biopsies
Jose Cervantes1, Collin M Costello2, Melody Maarouf2
1Division of Dermatology, Department of Medicine, Dell Medical School, University of Texas, Austin, Texas.
Summary
Computer-based video instruction (CBVI) significantly improved medical students' dermatologic procedural skills in shave and punch biopsies. This method also enhanced knowledge retention and interest in dermatology.
Area of Science:
- Medical Education
- Dermatology
- Surgical Skills Training
Background:
- Procedural skill development is crucial for medical students.
- Computer-based video instruction (CBVI) is known to enhance both knowledge and practical skills.
Purpose of the Study:
- To evaluate the effectiveness of CBVI for training medical students in dermatologic procedures.
- To assess the impact of CBVI on students' perceptions of dermatology.
Main Methods:
- A pilot study randomly assigned 29 first- and second-year medical students to a CBVI group or a control group.
- Both groups received in-person instruction on shave and punch biopsies using cadaver tissue.
- Performance and knowledge retention were assessed by blinded evaluators using a Likert scale.
Main Results:
- The CBVI group showed significantly higher scores in both shave and punch biopsies compared to the control group.
- CBVI improved immediate recall and knowledge retention for both procedures.
- About 33.3% of students reported increased interest in dermatology.
Conclusions:
- Integrating CBVI into dermatology curricula enhances medical students' procedural skills.
- CBVI led to significantly better performance in biopsy grading categories.
- Procedural training incorporating CBVI can boost student interest in dermatology.
Related Concept Videos
01:31Student t Distribution
14.2K
The population standard deviation is rarely known in many day-to-day examples of statistics. When the sample sizes are large, it is easy to estimate the population standard deviation using a confidence interval, which provides results close enough to the original value. However, statisticians ran into problems when the sample size was small. A small sample size caused inaccuracies in the confidence interval.
The Student t distribution was developed by William S. Goset (1876–1937) of the...
The Student t distribution was developed by William S. Goset (1876–1937) of the...
14.2K
01:25Microsoft Excel: Student's t-Test
1.7K
Student's t-test in Microsoft Excel is a statistical method used to compare the means of two groups to determine if they are significantly different from each other. It's commonly used to evaluate hypotheses, such as testing whether a treatment has an effect compared to a control group. Excel provides built-in functions to perform t-tests, making it accessible for users needing to conduct basic statistical analysis.
To conduct a t-test in Excel, use the T.TEST function or the "Data...
To conduct a t-test in Excel, use the T.TEST function or the "Data...
1.7K
01:09Comparing Experimental Results: Student's t-Test
6.0K
The t-test is a statistical method used to compare the sample mean with a population mean or compare two means from two data sets. The test statistic is calculated from the standard deviation, mean, and number of measurements in the data set at a selected confidence interval and then compared to a table of critical values at this confidence level. If the test statistic is smaller than the critical value, the null hypothesis is accepted. In this case, we state that the difference between the...
6.0K
01:23Inhaled Medications
803
Inhaled medications are crucial for managing chronic obstructive pulmonary disease (COPD) and asthma. They are essential for effective treatment and control, ensuring optimal respiratory health and well-being. Inhaled medication delivers drugs directly to the lungs, providing a rapid onset of action and reducing systemic side effects compared to oral or injectable medications. Three primary types of inhalation devices are used to administer these medications: nebulizers, metered-dose inhalers...
803
01:18Endocarditis III: Medical Management
259
Infective endocarditis management involves a multifaceted approach encompassing infection prevention, lifestyle modifications, pharmacological therapy, and surgical management.Infection Prevention:Hand Hygiene: Thorough handwashing is crucial to prevent the spread of infection. Hand hygiene should be performed regularly, especially before and after using the restroom.Oral Hygiene: Good oral hygiene is essential. It includes brushing teeth immediately after waking up and before bed, flossing...
259
01:14Myocarditis III: Medical Management
217
Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
217