The t test compares
a. the mean scores of two groups on the same variable to determine the probability that the groups are different
b. the mean scores of two variables to see if they belong to the same group
c. the skew of two different samples to see if they come from the same population
d. the skew of two different samples to see which distribution is closest to the normal distribution
e. the strength of the relationship between variables in two different groups
a. the mean scores of two groups on the same variable to determine the probability that the groups are different
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Explain how the following statement by Woodrow Wilson relates to organizing a speech:
"If you want me to talk for ten minutes, I'll come next week. If you want me to talk for an hour, I'll come tonight." What will be an ideal response?
What is a potential drawback of using objects as visual aids?
A. The object may be too small, too big, or too difficult to handle. B. The object may not work properly. C. The object may be difficult to obtain. D. The speaker may look at the object rather than the audience.
Which of the following terms refers to the tendency to judge other cultures' practices as inferior to one's own?
A. Similarity assumption B. Uncertainty avoidance C. Ethnocentrism D. Ignorance
The closing phase of an interview allows you to _____
a. ?Summarize your perspective of the interview b. ?Ask the expert open-ended questions c. ?Hold forth on your opinion of the subject d. ?Make encouraging comments such as "mmÂhmm," "I see," etc. e. ?None of the above