Dr Wang Is Studying the Effects of Caffeine on Hunger

question 113

Multiple Choice

Dr. Wang is studying the effects of caffeine on hunger. He hypothesizes that people who ingest more caffeine experience less hunger pangs throughout the day. He designs a study where one group of participants is given caffeine throughout the day, and the other group is not allowed to have any caffeine. He then has the two groups journal their hunger pangs throughout the day and he compares the results. In this study, the dependent variable is the:

• A) number of hunger pangs a participant experiences.
• B) amount of caffeine a person ingests.
• C) time of day when the hunger pangs happen.
• D) age of the participant.

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Definitions:

Vendor

A person or company offering something for sale, especially a trader in the goods market.

Terms

Conditions and stipulations specified in a contract or agreement.

Net Fixed Assets

The value of a company's permanent assets less any depreciation that has been accounted for.

Depreciated

The process of allocating the cost of a tangible asset over its useful life, reflecting its decrease in value over time.