Answer:
The answer is a double-blind study.
Explanation:
A double-blind study is a research method in which neither the participants or the researchers are aware about which group is receiving the treatment. This is done in order to avoid biases such as the placebo effect, as well as preventing accidental cues given by the researchers.
The greatest advantage of this approach is its high validity.
Hello Dsajflgn7569, What is a multilateral aid?<span> Definition aid
provided by a group of countries, or an institution representing a
group of countries such as the World Bank, to one or more recipient
countries.</span><span>Multilateral organizations obtain their
funding from multiple governments and spend it on projects in various
countries. They normally require job-seekers to have specialized
training in relevant fields such as public health, economics, business
and social or behavioral sciences, as well as prior experience, so </span><span>an example of a multilateral aid agency is, the </span><span>multilateral aid agency giving money to another country s and help them with a project.
</span><span>
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Answer:
United States is the strongest economy
Tuvalu is the weakest economy
Explanation:
United States has a GDP of$20.5 trillion the population is 327.2 millio GDP per capita $62,869
Tuvalu is the world's smallest national economy, with a GDP of about $32 million, because of its very small population, a lack of natural resources, reliance on foreign aid, negligible capital investment, demographic problems, and low average incomes.
Answer:
caffeine.
Explanation:
When Xi consumed several cups of coffee to stay wake for another hour.Coffee contains caffeine.Since caffeine is psychoactive drug and it is legal also unlike other psychoactive drugs.You feel more energetic.It acts as a central nervous system stimulant and when it reaches the brain it causes alertness and you will feel more awake.But Xi consumed more than he needed hence he was not able to go to sleep.
