Asked by Kawsu Jammeh on Jun 09, 2024

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Researchers who were studying memory had participants learn a list of words after consuming a soft drink with caffeine or a decaffeinated version of the same soft drink.The researchers then counted the number of words that were recalled from the list.In this study,what would you call the type of beverage (caffeinated or decaffeinated)

A)  extraneous variable 
B)  dependent variable 
C)  confounding variable 
D)  independent variable

Independent Variable

In research and experimentation, the variable that is manipulated or changed to assess its effect on a dependent variable.

Extraneous Variable

Any variable that you are not intentionally studying in your experiment or test that could affect the outcome of your research.

  • Comprehend the roles that variables play in the context of psychological experiments, including independent, dependent, and confounded variables.
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LT
Lournicha TelfortJun 13, 2024
Final Answer :
D
Explanation :
The type of beverage (caffeinated or decaffeinated) is the independent variable, as it is being manipulated by the researchers to determine its effect on memory recall.