Aresearcher diffuses a few drops of perfume in a house and asks clara if she can smell it, to which clara says yes. according to signal detection theory, clara's response is

A researcher diffuses a few drops of perfume in a house and asks clara if she can smell it, to which clara says yes. according to signal detection theory, Clara's response is  hit. This would mean that Clara responded accurately to the stimulus so her deduction was the correct one.