Login to Your Account

Solution Posted by

- Requests: 0
- Solutions: 1444

Request Description

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
Solution Description

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 ca