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Related Concept Videos

Preclinical Development: Overview01:28

Preclinical Development: Overview

Preclinical development consists of a series of tests that ensure the safety and efficacy of a new therapeutic compound before it is tested in humans. There are four main phases to this process. First, safety pharmacology tests are conducted to ensure the drug does not produce any acutely harmful effects. These tests examine parameters such as bronchoconstriction, cardiac dysrhythmias, blood pressure changes, and ataxia. Next, preliminary toxicological testing is performed to determine the...

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Related Experiment Video

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Computerized Adaptive Testing System of Functional Assessment of Stroke
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Advancing the objective structured clinical examination: sequential testing in theory and practice.

Godfrey Pell1, Richard Fuller, Matthew Homer

  • 1Leeds Institute of Medical Education, School of Medicine, University of Leeds, Leeds, UK. g.pell@leeds.ac.uk

Medical Education
|May 14, 2013
PubMed
Summary
This summary is machine-generated.

Sequential testing in Objective Structured Clinical Examinations (OSCEs) improves reliability and reduces costs for medical students. This method offers financial benefits and proves acceptable to stakeholders, enhancing assessment accuracy.

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Area of Science:

  • Medical Education
  • Assessment and Evaluation
  • Clinical Skills Training

Background:

  • Traditional remediation models for underperforming students in Objective Structured Clinical Examinations (OSCEs) are costly and may lead to long-term underperformance.
  • Retesting in OSCEs presents significant logistical and financial challenges.
  • There is a need for more effective and efficient assessment strategies in medical education.

Purpose of the Study:

  • To model the impact of sequential assessment on student performance, cost-effectiveness, and reliability in a medical degree program's final OSCE.
  • To evaluate an alternative to traditional OSCE remediation and retesting.

Main Methods:

  • A sequential testing model was implemented, involving a screening test followed by a sequential test for those who did not meet the standard.
  • Pass/fail decisions were based on the full sequence of tests.
  • Data from a graduating OSCE in an undergraduate medical degree program were used for modeling and pilot testing.

Main Results:

  • Sequential testing improved reliability, with 13.5% of students requiring the sequential OSCE.
  • A small number of false positives were identified (0.4%).
  • Nine students who would have failed under the old system passed the full sequence, avoiding delays and financial loss. Significant cost savings were achieved, with overall reliability estimated at 0.79.

Conclusions:

  • Sequential testing enhances reliability for borderline students in OSCEs by increasing the number of observations, bringing observed marks closer to true marks.
  • High station-level assessment quality is crucial for maximizing reliability benefits.
  • The sequential testing system demonstrates financial advantages, valid inferences, and stakeholder acceptance.