The most appropriate measure of central tendency for

Question

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