Answer: This is a "CONTROLLED PLACEBO EXPERIMENT".
Explanation: A controlled placebo experiment is a type of research method that is used to check the effectiveness of a drug in a patient. This is done by selecting a sample group, then randomly divide the two group into a placebo group ( this are the group that will receive the drug treatment ) and the controlled group( these are the group that will receive a coloured mixture that looks like the drug, but does not have any effect). Without the groups knowledge about the real drugs and the coloured mixture, but are followed up and tested.
This is a controlled placebo experiment, because 400 student has been choosed as the sample, and are divided into a placebo group and a controlled group, to check the effectiveness of a drug on their memory.
Hi! The paragraph says nothing about technology and the most likely answer is C. Because the paragraph is referring to a new school, therefore she cannot have a correct observation.
I hope this helps!
Answer:
By reducing tensions associated with the threat of nuclear wa
Explanation:
Answer:
the right to vote in local elections until the adults have established residency
Explanation:
Before being allowed to participate in local elections, all states require the voters to have live in their current residency for a specific period of time. (most states require you to live there for 366 days before considered as local residents)
This policies was created to prevent voters fraud. Without this policy, somebody can move to another local residency during the election period in order to cast their votes more than once.
Six powers of congress that were listed in section 8 of the constitution are:
- Power to collect taxes and duties.
- Power to borrow money on behalf of the United States.
- Power to regulate trade with foreign countries.
- Power to fix the standards of money and measurements.
- Power to punish individuals with counterfeit currencies.
- Power to declare war.
<h3>What are the Powers of Congress?</h3>
The powers of congress refer to the rights that are granted congress on behalf of the United States.
In section 8, Article I of the constitution, many of these powers are listed. Six of them have been indicated above.
Learn more about the Powers of Congress here:
brainly.com/question/14336660
