Question

A researcher would like to evaluate the claim that drinking large quantities of 1.3 water can help prevent the common cold. One group of participants drinks 8 glasses of water every day, and a second group drinks 2 glasses of water every day. The researcher records the number of colds each individual experiences during the 4-month winter season.

Answer 1

The independent variable is the quantity of water and the dependent variable is whether or not a person catches common cold.

What is an experiment?

An experiment is the process by which we are able to establish a cause and effect relationship. An experiment must have a dependent variable and an independent variable.

The independent variable is the variable that is being changed in an experiment. As the independent variable is changed, the dependent variable also changes.

In this experiment, the independent variable is the quantity of water and the dependent variable is whether or not a person catches common cold.

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Missing parts;

A researcher would like to evaluate the claim that drinking large quantities of water can help prevent the common cold. One group of participants drinks 8 glasses of water every day, and a second group drinks 2 glasses of water every day. The researcher records the number of colds each individual experiences during the 4-month winter season. . Identify the dependent variable for this study