If an increase on one variable is associated with an increase on another variable, the variables are
a) positively correlated
b) highly correlated
c) negatively correlated
d) not correlated
A ________ is an example of a decision error.
a) true positive
b) true negative
c) false negative
d) both a and c
The General Test and Subject Tests are parts of the
a) Scholastic Assessment Tests
b) American College Testing Program
c) Graduate Testing Service
d) Graduate Record Examination
Correlations are often illustrated by using
a) matrix plots
b) coordinate plots
c) frequency plots
d) scatter plots
A useful and popular alternative to the Scholastic Assessment Tests is the
a) Graduate Record Examination
b) College Admission Test
c) American College Testing Program
d) Wechsler Scale for College Admissions
Johnny has SAT scores in the 92nd percentile area, and a high school GPA of 3.7 . He is accepted into a prestigious university, but flunks out during his junior year. Johnny is an example of a
a) true positive
b) true negative
c) false positive
d) false negative
If the variance on a test is small, we know that
a) people had similar scores on the test
b) people had scores close to the mean score
c) the standard deviation will be small
d) all of the above
The main advantage of a test like the SAT is that
a) it makes it easier to compare people from different schools or backgrounds
b) it is the only basis for making valid decisions about academic admissions
c) combining SAT scores with high school transcript information doubles thevalidity of admissions decisions
d) all of the above
The average of the squared deviation scores is
a) the mean
b) the standard deviation
c) the variance
d) the range
If 100 people apply for 4 jobs, the selection ratio is
a) .25
b) .04
c) .50
d) .30
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