STRAYER BUS335 QUIZ 5

Question 1

A z score of 3.0 for a job applicant's score on an aptitude test indicates the applicant ______.

achieved a score 3 points higher than the average score

received a score 3 standard deviations above the mean score

had a score 3 percent higher than the average score

had a score plus or minus 3 points relative to the mean score

Question 2

The most appropriate measure of central tendency for nominal data is the ______.

Mean

Median

standard deviation

mode

Question 3

Content validation is most appropriate when ____________.

reliability is too high

sample size is large

criterion measures are readily available

sample size is too small for criterion validity calculation

Question 4

Which of the following levels of statistical significance would provide the most confidence that a sample correlation coefficient would not be interpreted as having a relationship in the population, when, in fact, there is no such relationship?

.10

.50

.01

.05

Question 5

The standard error of measurement allows ________.

calculation of confidence intervals for true scores

estimates of content validity

calculation of confidence intervals for actual scores

calculation of confidence intervals for error

Question 6

A scale in which objects are rank ordered according to how much of the attribute they possess, with equal space between objects.

Nominal

Ordinal

Interval

ratio

Question 7

The case for validity generalization across situations becomes stronger if ___.

correlation coefficients are negative

the standard error of measurement is large

differences in method and statistical differences are controlled

reliability is low

Question 8

When predictor and criterion scores have been obtained, the predictor can be considered valid if __________.

the correlation coefficient has the desired practical and statistical significance

the correlation coefficient has statistical significance alone

the correlation coefficient is insignificant

the correlation coefficient has practical significance alone

Question 9

Coefficient alpha assesses ____________.

reliability within a single time period

reliability between time periods

reliability between samples

test-retest reliability

Question 10

A scale in which objects are rank ordered according to how much of the attribute they possess.

Nominal

Ordinal

Interval

ratio

Question 11

The process of ensuring that all test takers receive the same tests in the same context, as a way to eliminate extraneous influences on test performance is called ____________________.

Standardization

Optimization

Rationalization

inflation

Question 12

Deficiency error would not indicate a failure to _________.

measure some portion of the attribute of interest

adequately define the attribute of interest

construct a proper measure of the totality of the attribute

calculate the standard deviation

Question 13

Reliability of measurement is defined as __________.

frequency of measurement

magnitude of measurement

accuracy of measurement

consistency of measurement

Question 14

A scale in which a given attribute is categorized, and numbers are assigned to the categories, but there is no order or level implied among the categories.

Nominal

Ordinal

Interval

ratio

Question 15

The larger the correlation coefficient, _________.Answer

the greater the practical significance

the smaller its practical significance

the larger its range

the smaller its statistical significance