Measurement and Methodology-Statistical Procedures (GRE Psychology): Questions 4 - 8 of 20

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Question number: 4

» 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: 5

» 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: 6

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

If the GRE Psychology Subject Test had a standard error of zero, then a test taker that took the test two times would necessarily receive

Choices

Choice (4) Response

a.

the same score on each test

b.

two scores that correlated perfectly with the test taker’s aptitude

c.

two scores that were above the mean

d.

two perfect scores

Question number: 7

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

The test statistic t is used to ________.

Choices

Choice (4) Response

a.

Describe treatment means.

b.

Evaluate ordinal or nominal data from a two-group experiment.

c.

Evaluate interval or ratio data from a two-group experiment.

d.

Evaluate interaction effects in factorial experiments.

Question number: 8

» Measurement and Methodology » Statistical Procedures

MCQ▾

Question

The term zero-order correlation coefficient refers to a correlation

Choices

Choice (4) Response

a.

between two variables

b.

that has yet to be tested

c.

that is close to 0.00

d.

that does not achieve statistical significance

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