Which of the Following Statements Is True

question 8

Multiple Choice

Which of the following statements is true?

• A)Scientists typically use different methods to conduct research,which explains why studies involving humans often have conflicting results.
• B)Scientists developed dietary recommendations for the U.S.population after analyzing results of a single American study,the Framingham Heart Study.
• C)Scientists have peer reviewers analyze the designs of their human research studies,because the peer-review process reduces research bias.
• D)Scientists are unlikely to obtain money to conduct research,if they don't respect the opinions and beliefs of the people in agencies who fund such projects.

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Definitions:

Levels

Distinct categories or values that independent or dependent variables can take in a study or experiment.

dfWG

Degrees of freedom within groups, a concept in statistical analysis that represents the number of independent pieces of information available to estimate a parameter or calculate a statistic within a subset or group.

Degrees of Freedom

The total amount of discrete variables or numbers that are able to fluctuate within a study without breaking any limitations.

Factor B

A variable or condition that is manipulated or varied in an experiment, considered distinct from other variables or conditions.