Measurement and Methodology (GRE (Graduate Record Examinations) Psychology): Questions 17 - 20 of 92

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Question number: 17

» Measurement and Methodology » Analysis and Interpretation of Findings

MCQ▾

Question

A random sample of students in a lecture hall could be obtained by selecting

Choices

Choice (5) Response

a.

every fifth student seated throughout the room

b.

every seventh student who volunteers

c.

the students who raise their hands first

d.

the students with blonde hair

e.

the students with credit card numbers ending in 5

Question number: 18

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

MCQ▾

Question

In a frequency polygon, the abscissa

Choices

Choice (5) Response

a.

plots the frequencies

b.

is leptokurtic when scores are not normally distributed

c.

plots the percentiles

d.

plots the scores

e.

is almost always normally distributed

Question number: 19

» Measurement and Methodology » Analysis and Interpretation of Findings

MCQ▾

Question

Sitting in the park one sunny day, Chaim notices that people who are walking dogs smile at him more often than people without dogs. Chaim concludes that people who own dogs are happier than those who do not own dogs. Based on the principles of psychological research, what is the biggest problem with Chaim’s conclusion?

Choices

Choice (5) Response

a.

correlation proves causation

b.

Correlation does not prove causation; the association may be spurious.

c.

Just because someone is walking a dog doesn’t mean the person owns that dog.

d.

Chaim did not operationalize “dog. ”

e.

Chaim did not observe people with cats before coming to his conclusion.

Question number: 20

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

MCQ▾

Question

Whether an experiment is internally valid depends primarily on ________.

Choices

Choice (5) Response

a.

The number of treatment conditions.

b.

Whether or not a random sample was used.

c.

Whether humans or animals were subjects.

d.

Whether the results are confounded.

e.

The hypothesis of the experiment.

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