Question Detail

BIO 201 Objective Question

Question

An Area Under the ROC Curve (AUC) value of 0.5 indicates which characteristic of a diagnostic test?
Options
A No diagnostic discrimination beyond random chance
Correct Answer
B Perfect diagnostic accuracy
C High specificity with low sensitivity
D Complete inverse correlation with clinical outcomes
Correct Answer

Option A is the correct answer.

Detailed Explanation

An AUC of 0.5 represents a line of non-discrimination, meaning the test performs no better than flipping a coin.

Hint

No hint available

Question Info