Determine whether the following observational studies are crosssectional, retrospective, or prospective. Explain your reasoning 1.Researchers was to determine the current rate of tobacco consumption among teenagers in the United States. They conduct a survey of 1,000 teenagers living in the United States. 2.Researchers collect data about winning an election by interviewing politicians who have won their election races from 2000-2012.
Determine whether the following observational studies are crosssectional, retrospective, or prospective. Explain your reasoning
1.Researchers was to determine the current rate of tobacco consumption among teenagers in the United States. They conduct a survey of 1,000 teenagers living in the United States.
2.Researchers collect data about winning an election by interviewing politicians who have won their election races from 2000-2012.
The observational studies are the one in which we only observe but not interfere or introduce anything. We come to conclusion only from the observing the subject(s). It helps to get the rare results.
The experimental studies are the one in which we we introduce some interventions and try to study the effect of the same. It may be more economical than the observational studies.
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