Topic 5

Question 1

Specificity

Answer 1

(also called the true negative rate) measures the proportion of actual negatives that are correctly identified as such (e.g., the percentage of healthy people who are correctly identified as not having the condition).

Question 2

Sensitivity

Answer 2

(also called the true positive rate, the recall, or probability of detection[1] in some fields) measures the proportion of actual positives that are correctly identified as such (e.g., the percentage of sick people who are correctly identified as having the condition).

Question 3

Power

Answer 3

the probability that the test will give the right result when there is a real effect