How Does the Following Excerpt from a Classroom Speech Violate

question 22

Multiple Choice

How does the following excerpt from a classroom speech violate the guidelines for supporting materials presented in your textbook?
According to the American Dairy Producers Association, Americans need to drink more milk to make sure they are getting enough calcium and vitamin D every day.

• A) It doesn't identify the source of the information.
• B) It doesn't present information from an unbiased source.
• C) It doesn't indicate whether the information came from the Internet.
• D) all of the above
• E) a and b only

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Definitions:

Face Validity

The extent to which a test appears to measure what it's supposed to measure, based on subjective judgment.

Content Validity

When the content of a test includes a representative sample of behaviours thought to be related to the construct (that is, the concept or entity) the test is designed to measure.

Representative Sample

A portion of the population that represents the entire group accurately.

Single-subject Design

A research design that focuses on the responses of a single participant to document the effectiveness of an intervention.