About 870 men took part in the study to study the effectiveness of the hormone therapy. Half of the men were chosen randomly to come in and get the hormone therapy while the other half were told to stay home and thus didn't receive the therapy. After about a year, blood tests were conducted on each and every subject by a lab technician who was aware of which group (treatment or those given nothing) the blood samples originated from. In presenting the results of the experiment, the authors reported that men in the treatment group had experienced a statistically important raise in HDL (the so-called "good" cholesterol) and the statistically significant reduction in LDL (the so-called "bad" cholesterol) when compared with control group.
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Select at least one answer.
This study would be categorized as un-blinded.
The subjects are the 870 men in the study.
This study would be classified as double-blind.
The subjects are the blood tests.
The treatments are the hormone therapy or the absence of it.
The treatments are the HDL and the LDL.
This is an example of a completely randomized design.
This study would be classified as single-blind.
This is an example of a matched pairs design.
This is an example of a block design.