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. what is the independent variable? what research method is being used experimental or correlational?
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.
what is the independent variable?
what research method is being used experimental or
Correlational study: A correlational study is an one type of study where researcher observes the effect of risk factor, treatment. In other words Researcher were trying to just observe the relation ship between them with out manipulating any variables i.e., whether the relation positive or negative.
Experimental study : A type of study in which researcher introduce an invention and study the effects i.e., individuals are observed or certain outcomes are measured.
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