Heidi is running a study for a large mental health center.She is responsible for assigning participants to one of two conditions--either the condition that receives the medicine being tested or a placebo pill.The actual nurses and doctors administering the medication or placebos do not know which they are giving, nor do the patients know which they are receiving.Only Heidi tracks this information.Heidi's study uses a(n) design.

Question

Quizplus · Accepted Answer

The use of both a medicine being tested and a placebo pill, along with the fact that neither the nurses and doctors nor the patients know which they are receiving, suggests that Heidi's study uses a double-blind design. This helps to minimize potential biases and increase the validity of the study results.

Heidi Is Running a Study for a Large Mental Health