Measurement and Methodology (GRE Psychology): Questions 64 - 68 of 88

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Question number: 64

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

The members of a sample who deviate from the mean by a standard deviation expressed as a Z-score of 3 represent

Choices

Choice (4) Response
a.

members of the sample who are most likely to appear six times more frequently than other members of the sample

b.

the most frequent two-thirds of the sample

c.

the most frequent third of the sample

d.

outliers

Question number: 65

» Measurement and Methodology » Psychometrics, Test Construction, Reliability, Validity

MCQ▾

Question

History tests in different regions of the world may

Choices

Choice (4) Response
a.

be written in different languages but have similar content.

b.

have the same questions but different answers keyed correct.

c.

be used to illustrate that there are certain cultural absolutes.

d.

be used to illustrate the irrelevancy of culture to historical fact.

Question number: 66

» Measurement and Methodology » Psychometrics, Test Construction, Reliability, Validity

MCQ▾

Question

The difference between a speed test and a power test has to do with

Choices

Choice (4) Response
a.

whether or not the variance has been restricted

b.

all of the above.

c.

whether or not the range has been restricted.

d.

the time limit allotted for completion of the items.

Question number: 67

» Measurement and Methodology » Research Designs

MCQ▾

Question

Post hoc tests are used to ________.

Choices

Choice (4) Response
a.

Evaluate mean differences when an F ratio is not significant.

b.

Check the accuracy of analysis of variance computations.

c.

Prove the null hypothesis.

d.

Compare differences between pairs of means.

Question number: 68

» Measurement and Methodology » Psychometrics, Test Construction, Reliability, Validity

MCQ▾

Question

In general, as test length increases, test reliability

Choices

Choice (4) Response
a.

is affected but insignificantly.

b.

decreases.

c.

is not affected either way.

d.

increases.

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