Measurement and Methodology (GRE Psychology): Questions 46 - 49 of 88

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Question number: 46

» 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

Question number: 47

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

MCQ▾

Question

A test that is valid must

Choices

Choice (4) Response

a.

predict future behavior

b.

be reliable

c.

have scores that fit a normal curve

d.

be normed on a random sample

Question number: 48

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

Which of the following best describes the graph above?

Understanding the properties of this graph

Understanding the Properties of This Graph

What is the importance of understanding this graph?

Choices

Choice (4) Response

a.

Frequency polygon

b.

Negatively skewed distribution

c.

Histogram

d.

Normal distribution

Question number: 49

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

MCQ▾

Question

Coefficient alpha is conceptually

Choices

Choice (4) Response

a.

estimate of inter-sorer reliability is most flexible

b.

the standard deviation of all possible sources of variation.

c.

the estimate of inter-scorer reliability that is most robust.

d.

the mean of all possible split-half correlations.

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