Measurement and Methodology (GRE Psychology): Questions 9 - 12 of 88

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Question number: 9

» Measurement and Methodology » Research Designs

MCQ▾

Question

A researcher wishes to study the effects of frequent changes of residence on the scholastic achievement of children. What kind of research design is most appropriate?

Choices

Choice (4) Response
a.

Random sample

b.

Stratified sample

c.

Pretest-posttest

d.

Longitudinal

Question number: 10

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

MCQ▾

Question

It is most appropriate to use the Spearman-Brown formula to estimate what form of reliability?

Choices

Choice (4) Response
a.

Alternate-forms reliability.

b.

Past-present reliability.

c.

Split-half reliability.

d.

Test-retest reliability.

Question number: 11

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

MCQ▾

Question

According to the true score theory, an individual’s score on a test of extraversion reflects a level of extraversion as defined by the test and that level is presumed to be

Choices

Choice (4) Response
a.

greater than the degree of error inherent in the score.

b.

less than or equal to the degree of error inherent in the score.

c.

only an estimate of the testtaker’s true level of extraversion.

d.

the testtaker’s “true” level of extraversion.

Question number: 12

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

Statistics are used in psychological research to ________.

Choices

Choice (4) Response
a.

Justify the experimenter’s conclusions.

b.

Evaluate the likelihood that the experiment caused the differences in behavior across treatment conditions.

c.

Prove the null hypothesis.

d.

Prove that the research hypothesis is correct.

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