Measurement and Methodology (GRE Psychology): Questions 18 - 21 of 88

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Question number: 18

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

MCQ▾

Question

In a frequency polygon, the abscissa

Choices

Choice (4) Response

a.

plots the frequencies

b.

is almost always normally distributed

c.

plots the scores

d.

plots the percentiles

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 (4) Response

a.

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

b.

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

c.

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

d.

Chaim did not operationalize “dog. ”

Question number: 20

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

MCQ▾

Question

Whether an experiment is internally valid depends primarily on ________.

Choices

Choice (4) Response

a.

Whether the results are confounded.

b.

The hypothesis of the experiment.

c.

Whether or not a random sample was used.

d.

Whether humans or animals were subjects.

Question number: 21

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

MCQ▾

Question

Discriminant evidence of construct validity is otherwise known as

Choices

Choice (4) Response

a.

predictive validity.

b.

discriminant validity.

c.

face validity

d.

factor analytic validity.

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