Measurement and Methodology-Statistical Procedures (GRE Psychology): Questions 9 - 12 of 20

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Question number: 9

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

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

Choices

Choice (4) Response
a.

They are more powerful than non-parametric statistical tests.

b.

They assume that data are normally distributed.

c. None of the above
d.

They assume comparable variability across treatment groups.

Question number: 10

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

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 (4) Response
a.

F-scale

b.

Ratio

c.

Nominal

d.

Interval

Question number: 11

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

Mary is using a one-tailed test to evaluate the results of her experiment. Compared with what would happen if she used a two-tailed test, ________.

Choices

Choice (4) Response
a.

Her critical value of t will be more extreme.

b.

Her computed value of t will be larger.

c.

There will be no difference.

d.

Her critical value of t will be less extreme.

Question number: 12

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

Which of the following statistical tests should the researcher use to analyze her data?

A researcher wants to consider the effects of preparation on standardized test scores. She plans to compare the GRE scores of students who did and did not take a preparation course for the GRE. She also plans to compare the GRE scores of students who took preparation courses though Company X, Company Y, and Company Z.

Choices

Choice (4) Response
a.

2 x 3 factor analysis

b.

2 x 2 x 2 factor analysis

c.

T-test

d.

Chi-square test

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