Measurement and Methodology-Statistical Procedures [GRE (Graduate Record Examinations) Psychology]: Questions 7 - 10 of 27

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Question 7

Statistical Procedures
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Question

MCQ▾

The test statistic t is used to ________.

Choices

Choice (5)Response
a.Describe treatment means.
b.Evaluate ordinal or nominal data from a two-group experiment.
c.Evaluate interaction effects in factorial experiments.
d.Analyze interval or ratio data from an experiment with two or more groups.
e.Evaluate interval or ratio data from a two-group experiment.

Question 8

Statistical Procedures
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Question

MCQ▾

The term zero-order correlation coefficient refers to a correlation

Choices

Choice (5)Response
a.that is close to 0.00
b.that does not achieve statistical significance
c.that has yet to be tested
d.between two variables
e.between variables whose scores are expressed in small numbers, generally less than 1

Question 9

Statistical Procedures
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Question

MCQ▾

Which of the following is NOT true of parametric statistical tests?

Choices

Choice (5)Response
a.They assume comparable variability across treatment groups.
b.They assume that data are normally distributed.
c.They are more powerful than non-parametric statistical tests.
d.They are used with interval or ratio data.
e.None of the above

Question 10

Statistical Procedures
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Question

MCQ▾

Five hundred undergraduates were asked to report their favorite television show from a list of 100 different shows. What kind of scale can best organize the data?

Choices

Choice (5)Response
a.Ratio
b.Nominal
c.Ordinal
d.Interval
e.F-scale