Determine Whether the Study Depicts an Observational Study or an Experiment

question 99

Multiple Choice

Determine whether the study depicts an observational study or an experiment
-A researcher obtained a random sample of 100 smokers and a random sample of 100 nonsmokers. Afterinterviewing all 200 participants in the study, the researcher compared the rate of depression among thesmokers with the rate of depression among nonsmokers.

• A) observational study
• B) experiment

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Definitions:

Brand Loyalty

The tendency of consumers to continuously purchase one brand's products over another, often due to a perceived superiority or an emotional attachment.

Monopoly Power

The ability of a company or entity to control the price and supply of a product or service, due to the lack of competition in the market.

Long-run Equilibrium

A state in which all factors of production and costs are variable, and economic agents have fully adjusted to any economic changes, leaving no incentives for further adjustments.

Minimum Average Cost

The lowest point on the average cost curve, signifying the most efficient scale of operation for a firm.