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.
Answer:
Hi! After World War II, Egypt pressed for evacuation of British troops from the Suez Canal Zone, and in July 1956 President Nasser nationalized the canal, hoping to charge tolls that would pay for construction of a massive dam on the Nile River. ...
If this helped drop a brainley :)
Explanation:
<span>The Boy Scouts were conceived in Britain by Robert Baden-Powell in
1908 as a way to overcome the perceived dangers of moral decline. Characterized
by a focus on outdoor activities, swearing to an oath of loyalty to God and
country, and wearing a uniform, the movement spread to the US in 1910. The US effort was led by William Boyce who
perceived a weakness in American boys due to a changing culture and the decline
of patriotism. </span>
Answer:
C) King believed that the problem of racial injustice was not limited to Birmingham, Alabama; rather it affected all Americans.
Explanation:
Though in the the beginning of 1960s Birmingham, Alabama presented itself as <em>one of the most racially divided cities in the U.S</em>., Dr. Martin Luther King (January 15, 1929 – April 4, 1968) understood that this a <u>nationwide problem</u> and the road to its solution has to start somewhere.
It is only natural that the Birmingham campaign of nonviolent direct action and confrontations between black activists and white authority representatives ultimately paved the way to the <u>Civil Rights Act of 1964</u>. This act prohibited racial discrimination not only Birmingham but all over the country.
