Concept explainers
To explain the effect of large
Answer to Problem 35PT4
(a) a double-blind, completely randomized experiment, with the currently marketed medicine and the experimental medicine as the two treatments.
Explanation of Solution
Given:
In a clinical trial, 30 patients with a certain blood disease are randomly assigned to two groups. One group is then randomly assigned the currently marketed medicine, and the other group receives the experimental medicine. Each week, patients report to the clinic where blood tests are conducted. The lab technician is unaware of the kind of medicine the patient is taking, and the patient is also unaware of which medicine he or she has been given.
First need to know about all the experiments:
Single-bind experiment: In this experiment, neither the individuals who measure or the subjects know which treatment was received.
Double blind experiment: In this experiment neither the subjects not the individuals who measure know which treatment was received.
Completely randomized experiment: The patients have been randomly assigned to the groups and an experiment deliberately imposes some treatment on individuals in order to observe their responses.
Therefore, this experiment is a double-blind, completely randomized experiment, with the currently marketed medicine and the experimental medicine as the two treatments.
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