Answer:
random assignment
Explanation:
Random assignment is an experimental technique that seeks to form random and fully randomized experimental groups in relation to the treatments presented in the research. This type of technique prevents the formation of "combined groups" that show the differences to each other and can generate a comprehensive result on the research, thus the random formation of diverse groups that can represent a much larger and different population.
An example of this can be seen in the question above, where the researcher decides the formation of the group that will receive the medicine and the group that will receive the placebo, completely randomly.
Actually it is also a good way to relieve stress. Just exercising or playing an instrument, you
have avenue where you can express your anxiety.
Still, it should not stop there.
If you can you could talk to other people about your problems and get
some counseling. What is important is
that you solve whatever it is that is stressing you out.
Answer:
Most national parks preserve unique geographic features; Everglades National Park was the first created to protect a fragile ecosystem. The Everglades are a network of wetlands and forests fed by a river flowing 0.25 miles (0.40 km) per day out of Lake Okeechobee, southwest into Florida Bay.
Explanation:
B. a degree in law is the best choice
conserving natural vegetation will maintain the balance in our ecosystems.
