In the Introduction to Your Speech ___________________

question 35

Multiple Choice

In the introduction to your speech ___________________

• A) discuss the three or four main points on your outline.
• B) establish credibility.
• C) ask for audience input.
• D) boast about your qualifications.

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Definitions:

Significance Level

A threshold in hypothesis testing that determines the probability of rejecting a null hypothesis when it is true, commonly set at 0.05 or 5%.

Wilcoxon Signed Rank Sum Test

A non-parametric statistical hypothesis test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.

Nonzero Differences

Differences between values or measurements that are not equal to zero, indicating variation or change.

Matched-Pairs Sampling

A method of sampling that involves pairing each subject with another subject that is similar in terms of key variables, then treating one with the experiment and the other with the control condition.