Measurement and Methodology (GRE Psychology): Questions 13 - 17 of 88

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Question number: 13

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

MCQ▾

Question

A behavioral observation checklist requires the observer to note whether the person being observed smiles. A key source of error variance resulting from this requirement is

Choices

Choice (4) Response
a.

all of the above.

b.

content variance.

c.

item sampling variance.

d.

scoring variance.

Question number: 14

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

The amount of variance in scores accounted for by a correlation coefficient of -. 70 is

Choices

Choice (4) Response
a.

14 % if the reliability of the measures is greater than. 70

b.

less than zero because the correlation is negative

c.

indeterminate because the correlation is negative

d.

almost 50 % if the reliability of the measures is + 1.00

Question number: 15

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

An IQ of 146 is approximately how many standard deviations from the mean?

Choices

Choice (4) Response
a.

5

b.

3

c.

2

d.

4

Question number: 16

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

In a normal frequency distribution, 32 % of the cases

Choices

Choice (4) Response
a.

fall between 1 standard deviation above and 1 standard deviation below the mean

b.

fall beyond 1 standard deviation above and 1 standard deviation below the mean

c.

fall beyond 2 standard deviations above and 2 standard deviations below the mean

d.

fall between the mode and the median

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 (4) Response
a.

the students who raise their hands first

b.

every fifth student seated throughout the room

c.

the students with credit card numbers ending in 5

d.

every seventh student who volunteers

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