GRE (Graduate Record Examinations) Psychology: Questions 225 - 228 of 442

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Question number: 225

» 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 (5) Response

a.

T-test

b.

Chi-square test

c.

2 x 2 x 2 factor analysis

d.

Person’s r correlation coefficient

e.

2 x 3 factor analysis

Question number: 226

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

MCQ▾

Question

A test that is valid must

Choices

Choice (5) Response

a.

predict future behavior

b.

be normed on a random sample

c.

be reliable

d.

reveal important information

e.

have scores that fit a normal curve

Question number: 227

» 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 (5) Response

a.

Normal distribution

b.

Negatively skewed distribution

c.

Frequency polygon

d.

Positively skewed distribution

e.

Histogram

Question number: 228

» Behavioral Neuroscience » Hormonal Factors

MCQ▾

Question

What causes a fetus to develop into a female?

Choices

Choice (5) Response

a.

The presence of estrogen

b.

The presence of Follicle Stimulating Hormone

c.

The absence of estrogen

d.

The absence of H-Y antigen

e.

The presence of H-Y antigen

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