You can distinguish between correlation and causation and eliminate confounding variables by using random assignment. Experiments often create contrasts between a control group and one or more treatment groups as a crucial part of the scientific method.
<h3>When is random assignment appropriate in an experiment?</h3>
In general, whenever it is ethically feasible and appropriate for your research topic, random assignment should always be used in trials. Both random sampling and random assignment are crucial ideas in research, but it's critical to recognize their distinctions.
<h3>Is it moral to choose participants for an experiment at random?</h3>
Random assignment cannot be used to evaluate risky or unhealthy behaviour. For instance, it would be unethical to assign volunteers at random to one of the two groups and urge them to consume huge amounts of alcohol as part of an experiment on heavy drinkers versus social drinkers.
Learn more about Completely randomized design:
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I believe he is evaluating the information that he has found.
During this stage, he already dound the information that are related to the purpose of his literacy process.
Now, he's trying to determine whether the information could be used within his writing or if it's still not fulfilling a certain requirement.
Answer:
the right to vote in local elections until the adults have established residency
Explanation:
Before being allowed to participate in local elections, all states require the voters to have live in their current residency for a specific period of time. (most states require you to live there for 366 days before considered as local residents)
This policies was created to prevent voters fraud. Without this policy, somebody can move to another local residency during the election period in order to cast their votes more than once.
