In a Study Examining the Impact of Dietary Supplements on Weight

question 52

Multiple Choice

In a study examining the impact of dietary supplements on weight loss, an experimenter would manipulate _____ and measure _____.

• A) participants' weight loss; dietary supplement use
• B) participants' use of dietary supplements; weight loss
• C) participants' use of dietary supplements; well-being
• D) participants' weight loss; daily caloric intake

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Definitions:

Purchase

is the action of acquiring goods or services in exchange for money or an equivalent consideration.

Chi-Square

A statistical test used to determine if there is a significant difference between the expected frequencies and the observed frequencies in one or more categories.

Goodness-Of-Fit Test

A statistical test used to see how well sample data fit a distribution from a population with a normal distribution.

Lower-Tail Test

A statistical test used to determine if a data sample is significantly lower than the population mean.