A researcher is studying the relationship between sugar consumption and weight gain. Twelve volunteers were randomly assigned to one of two groups. The first group had five participants which were put on a diet low in sugar and the other group with the remaining seven participants received 10 of their calories from sugar. After 8 weeks, weight gain was recorded from each participant. Which of the following principles was not used in this study?
a. Repeated measures
b. Blinding
c. Randomization
d. Control
Question 2
A researcher is studying the relationship between sugar consumption and weight gain. Twelve volunteers were randomly assigned to one of two groups. The first group had five participants which were put on a diet low in sugar and the other group with the remaining seven participants received 10 of their calories from sugar. After 8 weeks, weight gain was recorded from each participant. Which variable is the response variable in this study?
a. Sugar consumption
b. Diet low in sugar
c. Weight
d. Weight gain
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