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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Answer:
All of the following have been linked to sleep deprivation and health EXCEPT:
a. can lead to limbic brain responses that can contribute to the development of anorexia nervosa.
Explanation:
What sleep deprivations generates wouldn't be anorexia nerviosa. In the contrary what it does is to increase appetite, because sleep deprivations increases ghrelin which makes people more hungry and decreases on leptin, a hormon that helps feel satieted.
Britain and France are the two nations that had greatest amount of territory in Africa
<u>Answer:
</u>
One common theme that can be noticed in all three Hispanic stories is the proximity to nature.
<u>Explanation:
</u>
- The description of the settings in which the stories have taken place sets up a mood which takes the reader close to the idea of nature.
- The association of the background with the stories of the characters helps the readers imagine the scenes in a better way and guess the atmospheric essence of the incidents.
Many other species are expected. We think that there are several sources for gases in the moons atmosphere. Here in the dense atmosphere at the surface of earth the molecules motion is dominated by collisions between the molecules. However the moons atmosphere is so thin, atoms and molecules almost never collide.
