The prevalence of Alzheimer's dementia is very high among residents living in nursing homes. A student concludes that it is likely that living in a nursing home causes Alzheimer's dementia. What is the flaw in the student's reasoning?
A) The student is drawing a false conclusion by making the mistake of omitting critical variables such as the age and gender of the residents.
B) The student has failed to take into account other causes of Alzheimer's disease.
C) The student is drawing a false conclusion; he is confusing cause and effect.
D) The student is using an inadequate sample size.
C
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Which of the following leads a good to have a high elasticity of supply? I. The good must be produced using unique resources. II. The good is produced using commonly available resources
A) I only B) II only C) I and II D) neither I nor II
In the specific factors model, a 5% increase in the price of food accompanied by a 1% increase in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed factor in the production of food, and ________ in
the welfare of the fixed factor in the production of cloth. A) an ambiguous change; an increase; a decrease B) an ambiguous change; a decrease; an increase C) an ambiguous change; an ambiguous change; an ambiguous change D) a decrease; an ambiguous change; an ambiguous change E) an increase; a decrease; an increase