1.3 A researcher would like to evaluate the claim that large doses of vitamin C

Question

1.3 A researcher would like to evaluate the claim that large doses of vitamin C can help prevent the common cold. One group of participants is given a large dose of the vitamin (500 mg per day), and a second group is given a placebo (sugar pill). The researcher records the number of colds each individual experiences during the 3-month winter season. 0 a. Identify the dependent variable for this study. Is the dependent variable discrete or continuous? What scale of measurement (nominal, ordinal, or interval/ratio) is used to measure the dependent variable? What is the independent variable? What research method is being used (experimental or correlational? b. c. d. e. to search a O

Explanation / Answer

a) dependent variable : number of colds

b) dependent variable is discrete.

c) ratio

d) dose of vitamin

e) experimental

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