Which of the Following Statistical Studies Is an Experimental Study

question 10

Multiple Choice

Which of the following statistical studies is an experimental study? ​

• A)A researcher observes the effect of alcohol consumption on reaction time by administering various quantities of alcohol to randomly-selected subjects.
• B)A study is conducted to see if exposure to increased carbon dioxide levels increases tomato yields.Tomato plants are selected at random and are then exposed to various doses of carbon dioxide.
• C)Two random samples of senior adults are selected.The first group watches a 30-minute presentation on medicare fraud, while the other group does not watch the presentation.A survey is then administered to measure the level of confidence the subjects have in their health care providers.
• D)All of these are experimental studies.
• E)None of these are experimental studies.

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Definitions:

Exclusive Right

A legal provision granting someone the sole authority to sell, produce, or use a particular product or service.

Product Name

The title given to a merchandise or service to distinguish it from other offerings.

Trademark

A distinguishable symbol, pattern, or phrase that differentiates the goods or services of a specific origin from those of other sources.

Oligopolists

Firms or individuals that dominate a particular market, leading to a market structure known as oligopoly, where a few entities control the majority of market share.