Answer:
placebo control group
Explanation:
In order to determine that a drug has any effect in the body participants of a study are divided into two groups a group which actually receives the treatment and the other group receives a fake treatment. The participants are unaware of which group they belong to.
The fake treatment group is called the placebo control group. If the drug is actually effective then the placebo control group should not shoe the same effects that the treatment group is showing.
Here, the capsule received by group 2 looks like the capsule with the Ginkgo Biloba herb. The participants of group 2 should not show an increased blood flow to the brain. The participants of group 1 should show an increased blood flow to the brain. This would prove that the Ginkgo Biloba increases blood flow to the brain.
Answer:
The experimental group
Explanation:
In every research or experiment, there is always an experimental group and control group.
Experimental Group is simply the group in ang scientific experiment where the experimental procedure is being carried out upon. This group is exposed to the independent variable being tested and the changes are therefore observed and recorded for research purposes. It is known to receive some type of special treatment in relations to the independent variable.
They can also have multiple experimental groups such as high rate and low rate.
Answer:
They help us determine if the system meets our needs.
Explanation:
Describe the seven major goals of the United States economy. They are: economic freedom, efficiency, equity, security, full employment, price stability, and growth.
Hope this helps. Answer is in photo below.
I believe, yes it is.
Ideally, the role of the government is not to babysit the individuals so they can have a decent living without actually making an effort. But, the government need to play a role to ensure that the competition among the citizens happen as fairly as possible, and protect the citizens from any form of internal and external threats.
