NBEO Visual Perception Practice Exam 2025 – Comprehensive Test Prep

Question: 1 / 400

What does a high specificity value indicate about a diagnostic test?

The test incorrectly identifies diseases in healthy individuals.

The test accurately identifies individuals without the disease.

A high specificity value for a diagnostic test indicates that the test is effective at accurately identifying individuals who do not have the disease. This means that when the test results are negative, there is a high likelihood that these individuals are indeed free from the condition, thus minimizing the risk of false positives.

In practical terms, high specificity is crucial for screening programs where the goal is to ensure that healthy individuals are not incorrectly diagnosed with a disease, which could lead to unnecessary stress, further testing, or treatment. It highlights the reliability of the test in ruling out disease among those who are healthy. Ultimately, the higher the specificity, the more trustworthy the test is when it comes to confirming that someone does not have the condition being assessed.

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The test has high false negative results.

The test has high false positive results.

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