Question

Scenario: A researcher wants to determine if drinking ginger ale releases gas when you have an...

Scenario: A researcher wants to determine if drinking ginger ale releases gas when you have an upset stomach. The researcher conducts an experiment with 10 people. 5 will be given ginger ale and the other 5 will only drink water. After testing the theory each participant will be asked "did they notice any difference". Answer the following questions: What is the independent variable? How many levels are there for the independent variable? What is the dependent variable? What is the confound?

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Answer #1

What is the independent variable?

The independent variable is the type of drink releasing gas.

How many levels are there for the independent variable?

There are two levels for the independent variable:

(i) drinking ginger ale

(ii) drinking water

What is the dependent variable?

The dependent variable is upset stomach.

What is the confound?

The confounding variable is the daily activities (lifestyle) of the person.

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