Dr. Shang is studying the effects of caffeine on hunger. He hypothesizes that people who ingest more caffeine experience less hu
nger 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. Inthis study, the dependent variable is: A)the number of hunger pangs a participant experiences.
B)the amount of caffeine a person ingests.
C)the time of day when the hunger pangs happen.
D)the age of the participant.
In this study the dependent variable is: <u>A)the number of hunger pangs a participant experiences.</u>
Explanation:
The dependent variable is the variable that is going to be studied, and the want that is going to depend on the changes of other variable. So hunger pangs in going to depend on the amounts of caffeine a person ingests.
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