In some research, the researchers are not able to use random assignments to divide participants among groups. Instead, they compare preexisting groups, which results in a quasi-experimental design.
Random assignments are those which are given as a matter of chance to ensure fairness and equal opportunity for all participants. Here participants forming multiple groups are with similar characteristics. So all groups are the same at the start of the experiment.
A quasi-experimental design applies a non-random method, and subjects are assigned to preexisting groups. There are some situations where true experiments can't be used for practical reasons. In such cases, a quasi-experimental design is a suitable tool.
To learn more about quasi experimental design here
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The correct answer is the Medicare. This is a government
program by which they provide medical care to those people who are disabled and
to those who are already an elderly. These people are likely to receive a two
year SS benefit and covers insurance and medical insurance.
Once france withdrew from the French and Indian war didn't need Britain's protection anymore.
Option: C
Explanation:
The French and Indian War was happened during 1754 and 1763 captured the colonies of British America against New France, both of the side got protection from Americas and allies Indians. The British colonists were supported at various times by the Catawba and Cherokee tribes, and the French colonists were supported by Wabanaki tribes.
The war was continued for seven years in America in between French and India and ended by signing a treaty in between France, Great Britain and Spain. British colonies started conflicting with them during 1750 in Ohio river valley. It is ultimately turned into American revolution.