Use the following information for questions:
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

Use the following information for questions:
 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

Quizplus · Accepted Answer

Blinding was not mentioned as being used in the study. The information provided does not indicate that either the participants or the researchers were unaware of which group the participants were in, which is what blinding refers to. Randomization is mentioned through the random assignment of participants to groups, a control is implied through the low sugar diet group, and repeated measures are not directly applicable as the study design described does not involve multiple observations of the same outcome under different conditions for the same individuals.

Use the Following Information for Questions