A-B-A-B design could provide the most valid non intervention measure with demonstration of experimental control.
In statistics, the experimental design, also known as the design of experiment (DOE), is described as the layout of an information-gathering experiment in which a variation may or may not be present. Typically, controlled experiments use this phrase. In order to make the results more reliable, these tests minimize the impacts of the variable. In this design, a group of people, plants, animals, etc. may participate in an experimental unit's procedure.
Pre-experimental research designs are the most straightforward kind of experimental research designs in statistics. Following the identification of some factors as causes and effects, a group or groups are kept under observation in this method. Typically, this approach is used to determine whether the targeted group need additional research. This is the reason why this procedure is regarded as being economical.
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The reason why Russia is spoken by a lot of these countries is because Many of these countries use to be part of the Soviet Union.
<h3>What was the Soviet Union?</h3>
This was a socialist and communist republic that existed in Europe for a period of 69 years.
The people had a similar language at the time before it was dissolved in the year 1991.
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Hernan Cortes was able to conquer the Aztec Empire by scaring the natives with the 16 horses, gaining alliances with the other enemies of the Aztec, having superior and better weapons than the natives (like guns), having armor, and having steel.
Answer:
1. Firefighting and medical assistance
2. Education
3. Inspection
Explanation:
A fire department is an organization that delivers firefighting services. They are alternatively referred to as fire brigade, fire service or fire authority. They operate within a region or district (for easy access) and are usually public owned.
The ways in which a fire department helps communities include;
1. As the name implies, the fire department delivers firefighting services by putting out fires. They put out fires from buildings, rescue victims that are stuck in burning buildings and offer emergency medical assistance to such victims.
2. They also carry out orientation programs that educate the community by teaching them safety initiatives, fire prevention tips and what to do when there is a fire before the fire department arrives.
3. The fire department also carries out inspections on buildings so as to make sure buildings are safe and reduce the impact any fire emergency could cause.
Answer:
jefferson also felt that the central government should be "rigorously frugal and simple." As president he reduced the size and scope of the federal government by ending internal taxes, reducing the size of the army and navy, and paying off the government's debt.
Explanation:
