Measurement and MethodologyStatistical Procedures (GRE (Graduate Record Examinations) Psychology): Questions 4  7 of 21
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Question number: 4
» Measurement and Methodology » Statistical Procedures
Question
An IQ of 146 is approximately how many standard deviations from the mean?
Choices
Choice (5)  Response  

a.  4 

b.  1 

c.  2 

d.  5 

e.  3 

Question number: 5
» Measurement and Methodology » Statistical Procedures
Question
In a normal frequency distribution, 32 % of the cases
Choices
Choice (5)  Response  

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

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

c.  fall between the mode and the median 

d.  determine whether the distribution is leptokurtic 

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

Question number: 6
» Measurement and Methodology » Statistical Procedures
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 (5)  Response  

a.  the same score on each test 

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

c.  two perfect scores 

d.  a score equivalent to a zscore of 1 each time 

e.  two scores that were above the mean 

Question number: 7
» Measurement and Methodology » Statistical Procedures
Question
The test statistic t is used to ________.
Choices
Choice (5)  Response  

a.  Analyze interval or ratio data from an experiment with two or more groups. 

b.  Evaluate interaction effects in factorial experiments. 

c.  Describe treatment means. 

d.  Evaluate interval or ratio data from a twogroup experiment. 

e.  Evaluate ordinal or nominal data from a twogroup experiment. 
