A police officer uses a color test on a suspicious white powder. She does not know that the material is powdered sugar. No color change is observed. This is an example of a

Question

Quizplus · Accepted Answer

A true negative result means that the test correctly shows that the substance is negative for the presence of the substance being tested. In this case, the lack of color change in the test indicates that there is no presence of the suspected drug, which is true since it is actually powdered sugar.

A Police Officer Uses a Color Test on a Suspicious