How Can a Speaker Use a Demonstration to Effectively Aid

question 13

Short Answer

How can a speaker use a demonstration to effectively aid his or her presentation?

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Definitions:

Validity

The degree to which an assessment accurately measures its purported content.

Reliability

The degree to which an assessment tool produces stable and consistent results.

Validity

The extent to which a test measures what it claims to measure.

Internal Consistency

A measure of reliability assessing the degree to which different test items that propose to measure the same general construct produce similar results.