To test the effect of a medication, 100 volunteers were randomly divided into tw

Question

To test the effect of a medication, 100 volunteers were randomly divided into two groups. Each person was given a month's supply of pills. For one group, the pill contained the medicine, whereas for the other group, the pills contained only inert ingredients. Participants were not told which type of pill they had. At the end of the month, a researcher evaluated them to determine if they had improved. The researcher did not know which of the subjects had the pill with the medicine added.

Identify each of the following as true or false.

1. This study is single blind.

2. This study is double blind.

3. The group receiving the pill with inert ingredients will 'not' experience the placebo effect.

4. This experiment includes blocking.

5. The number of factors in the experiment is two.

6. The group receiving the medicine is the control group.

Explanation / Answer

False

True

False

True

True

True

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