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:
a source of contamination
Explanation:
industrial and organizational psychology describes evaluation of behaviour with physical attractiveness in mind as a source of contamination. This is demonstrated in Criterion Contamination which refers to the degree to which performance appraisals may contain misleading elements that cause detraction from the unbiased and accurate assessment of an individual for a job role and his effectiveness in this role. Criterion contamination is caused by appraiser's biases and also from extraneous factors.
Answer:
a. exemplary of the doctrine.
Explanation:
Health Clinic Inc. has no written employment manual or oral discharge policy, avoids abusive treatment of its staff, and acts to prevent illegal and unsafe activities. The clinic freely hires and fires its employees, who are similarly free to quit at any time. With respect to the employment-at-will doctrine, this is <u>exemplary of the doctrine</u>.
Employment-at-will-doctrine means that an employee can be terminated at will at anytime without warning or reason and that an employee can also leave a job without any reason or notice.
Answer: Jargon
Explanation:
Here, in this particular example the terminology "spatial organization" represents a jargon in the respective field. It is referred to as the specialized terminology which is mostly associated with a specific field. It is known to be usually employed in a specific context and thus at times may not be very well comprehended outside the context.
Answer:
The construction of the railroad helped to build the Texas economy after the Civil war
