Provide an Appropriate Response

question 100

Multiple Choice

Provide an appropriate response.
-A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss. She randomly
Assigns half of a group of overweight persons to a treatment group who are given the herb with instructions as
To use and a planned diet for six weeks. The other half of the group is given the same diet without the herb.
Participants are aware as to which group they belong. She weighs each subject on Friday of each week. What
Type of blinding is being used?

• A)triple-blind
• B)double-blind
• C)does not use blinding
• D)single-blind

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Definitions:

Total Sum of Squares

The sum of squared differences between each observation and the overall mean, a measure of total variation within a dataset.

Larger

In a statistical context, this could refer to a value or effect size that is greater in magnitude compared to another value or effect size.

Total SS

Stands for the total sum of squares in statistics, which measures the total variation in a dataset.

Coefficient of Determination

A statistical measure represented by R^2 that indicates the proportion of the variance in the dependent variable predictable from the independent variable(s).