Question 1

Which one of the following is TRUE about descriptive statistics?

Accepted Answer

A)  They are relatively unimportant for interpreting test scores. 
B)  They are rarely used to describe test scores. 
C)  They summarize a distribution of test scores using numbers. 
D)  They are useful only for ratio scales. 
A)  They are relatively unimportant for interpreting test scores. 
B)  They are rarely used to describe test scores. 
C)  They summarize a distribution of test scores using numbers. 
D)  They are useful only for ratio scales.

Question 2

The mean of a distribution of test scores will always have a z score of ______.

Accepted Answer

A)  0 
B)  1 
C)  33% 
D)  68% 
A)  0 
B)  1 
C)  33% 
D)  68%

Question 3

Which one of the following levels of measurement involves assigning numbers to represent categories of data only?

Accepted Answer

A)  nominal scale 
B)  ordinal scale 
C)  interval scale 
D)  ratio scale 
A)  nominal scale 
B)  ordinal scale 
C)  interval scale 
D)  ratio scale

Question 4

Describe and explain the descriptive statistics that we use to describe a distribution of scores.

Accepted Answer

@#LAT-DLM&We calculate descriptive statistics to s

Question 5

What type of distribution is skewed to the right with more low scores than high scores?

Accepted Answer

A)  evenly distributed distribution 
B)  positively skewed distribution 
C)  negatively skewed distribution 
D)  peaked distribution 
A)  evenly distributed distribution 
B)  positively skewed distribution 
C)  negatively skewed distribution 
D)  peaked distribution

Question 6

Which one of the following is TRUE when a distribution of scores is symmetric?

Accepted Answer

A)  The mean, mode, and median will be the same. 
B)  The mean will be greater than the median and the mode. 
C)  The mode will be less than the mean and the median. 
D)  The median will be different from the median and the mode. 
A)  The mean, mode, and median will be the same. 
B)  The mean will be greater than the median and the mode. 
C)  The mode will be less than the mean and the median. 
D)  The median will be different from the median and the mode.

Question 7

Which one of the following statement about the mean is FALSE?

Accepted Answer

A)  The mean and the arithmetic average are the same. 
B)  The mean, the median, and the mode are the same. 
C)  The mean is a common measure of central tendency. 
D)  The mean describes a middle point in a set of scores. 
A)  The mean and the arithmetic average are the same. 
B)  The mean, the median, and the mode are the same. 
C)  The mean is a common measure of central tendency. 
D)  The mean describes a middle point in a set of scores.

Question 8

What level of measurement has a true zero point indicating absence of the construct being measured?

Accepted Answer

A)  nominal scale 
B)  ordinal scale 
C)  interval scale 
D)  ratio scale 
A)  nominal scale 
B)  ordinal scale 
C)  interval scale 
D)  ratio scale

Question 9

Which one of the following would we use in the denominator of the standard deviation formula when calculating the standard deviation of a population of test scores?

Accepted Answer

A)  n − 1 
B)  n + 1 
C)  N 
D)  N −1 
A)  n − 1 
B)  n + 1 
C)  N 
D)  N −1

Question 10

Joanna wishes to describe the middle point in a distribution. Which statistic should she calculate?

Accepted Answer

A)  mode 
B)  standard deviation 
C)  median 
D)  mean 
A)  mode 
B)  standard deviation 
C)  median 
D)  mean

Question 11

In psychological testing, it is common to summarize distributions of test scores by showing an orderly arrangement of test scores using ______.

Accepted Answer

A)  histograms 
B)  graphs 
C)  diagrams 
D)  charts 
A)  histograms 
B)  graphs 
C)  diagrams 
D)  charts

Question 12

How would you calculate the mode of a distribution of scores?

Accepted Answer

A)  add all scores and divide by the number of scores 
B)  arrange all scores from lowest to highest and find the middle score 
C)  order scores and see which score occurs most often 
D)  use a z score to locate the center of the distribution 
A)  add all scores and divide by the number of scores 
B)  arrange all scores from lowest to highest and find the middle score 
C)  order scores and see which score occurs most often 
D)  use a z score to locate the center of the distribution

Question 13

If Julio assigns 0 to indicate women and 1 to indicate men, he is using a(n) ______.

Accepted Answer

A)  equal interval scale 
B)  ratio scale 
C)  nominal scale 
D)  ordinal scale 
A)  equal interval scale 
B)  ratio scale 
C)  nominal scale 
D)  ordinal scale

Question 14

What group of statistics is NOT a group we generally rely on to interpret test scores?

Accepted Answer

A)  measures of relationship 
B)  measures of multivariate statistics 
C)  measures of variability 
D)  measures of central tendency 
A)  measures of relationship 
B)  measures of multivariate statistics 
C)  measures of variability 
D)  measures of central tendency

Question 15

Which one of the following statement about raw scores is TRUE?

Accepted Answer

A)  They are very useful for interpreting test scores. 
B)  They tell us much about how an individual has performed on a test. 
C)  They are useful for making comparisons between individual test takers. 
D)  They require statistical techniques in order to interpret them. 
A)  They are very useful for interpreting test scores. 
B)  They tell us much about how an individual has performed on a test. 
C)  They are useful for making comparisons between individual test takers. 
D)  They require statistical techniques in order to interpret them.

Question 16

The scores on Dr. Katz's tests always had a mean of 50 and a standard deviation of 10. What statement best explains this phenomenon?

Accepted Answer

A)  The same descriptive statistics for each test is a coincidence. 
B)  Dr. Katz grades his tests using a normal curve. 
C)  Dr. Katz converts his students' raw scores to z scores. 
D)  Dr. Katz converts his students' raw scores to T scores. 
A)  The same descriptive statistics for each test is a coincidence. 
B)  Dr. Katz grades his tests using a normal curve. 
C)  Dr. Katz converts his students' raw scores to z scores. 
D)  Dr. Katz converts his students' raw scores to T scores.

Question 17

Most distributions of human traits, from height and weight to aptitudes and personality characteristics, would form a normal curve if ______.

Accepted Answer

A)  scientists had the resources to measure everything 
B)  our measurement instruments were more accurate 
C)  we measured everything using ratio scales 
D)  we gathered data from the entire population 
A)  scientists had the resources to measure everything 
B)  our measurement instruments were more accurate 
C)  we measured everything using ratio scales 
D)  we gathered data from the entire population

Question 18

Which one of the following levels of measurement involves assigning numbers to rank-order data and the distance between the numbers can vary?

Accepted Answer

A)  nominal scale 
B)  ordinal scale 
C)  interval scale 
D)  ratio scale 
A)  nominal scale 
B)  ordinal scale 
C)  interval scale 
D)  ratio scale

Question 19

If test scores differed significantly from the mean, you would expect a ______.

Accepted Answer

A)  small range 
B)  small variance 
C)  large variance 
D)  large median 
A)  small range 
B)  small variance 
C)  large variance 
D)  large median

Question 20

What are raw scores?

Accepted Answer

A)  points on an interval or ratio scale 
B)  the most basic scores calculated from a test 
C)  the correct answer to a test question 
D)  numbers assigned to a norm group 
A)  points on an interval or ratio scale 
B)  the most basic scores calculated from a test 
C)  the correct answer to a test question 
D)  numbers assigned to a norm group

Which one of the following is TRUE about descriptive statistics?

The mean of a distribution of test scores will always have a z score of ______.

Which one of the following levels of measurement involves assigning numbers to represent categories of data only?

Describe and explain the descriptive statistics that we use to describe a distribution of scores.

What type of distribution is skewed to the right with more low scores than high scores?

Which one of the following is TRUE when a distribution of scores is symmetric?

Which one of the following statement about the mean is FALSE?

What level of measurement has a true zero point indicating absence of the construct being measured?

Which one of the following would we use in the denominator of the standard deviation formula when calculating the standard deviation of a population of test scores?

Joanna wishes to describe the middle point in a distribution. Which statistic should she calculate?

In psychological testing, it is common to summarize distributions of test scores by showing an orderly arrangement of test scores using ______.

How would you calculate the mode of a distribution of scores?

If Julio assigns 0 to indicate women and 1 to indicate men, he is using a(n) ______.

What group of statistics is NOT a group we generally rely on to interpret test scores?

Which one of the following statement about raw scores is TRUE?

The scores on Dr. Katz's tests always had a mean of 50 and a standard deviation of 10. What statement best explains this phenomenon?

Most distributions of human traits, from height and weight to aptitudes and personality characteristics, would form a normal curve if ______.

Which one of the following levels of measurement involves assigning numbers to rank-order data and the distance between the numbers can vary?

If test scores differed significantly from the mean, you would expect a ______.

What are raw scores?

What Are Psychological Tests

Why Is Psychological Testing Important

What Are the Ethical Responsibilities of Test Publishers, Test Users, and Test Takers

What Is Test Reliabilityprecision

How Do We Gather Evidence of Validity Based on the Content of a Test

How Do We Gather Evidence of Validity Based on Testcriterion Relationships

How Do We Gather Evidence of Validity Based on a Tests Relation to Constructs

How Do We Construct and Administer Surveys and Use Survey Data

How Do We Develop a Test

How Do We Assess the Psychometric Quality of a Test

How Are Tests Used in Educational Settings

How Are Tests Used in Clinical and Counseling Settings

How Are Tests Used in Organizational Settings

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Exam 4: How Do Test Users Interpret Test Scores

Which one of the following is TRUE about descriptive statistics?

The mean of a distribution of test scores will always have a z score of ______.

Which one of the following levels of measurement involves assigning numbers to represent categories of data only?

Describe and explain the descriptive statistics that we use to describe a distribution of scores.

What type of distribution is skewed to the right with more low scores than high scores?

Which one of the following is TRUE when a distribution of scores is symmetric?

Which one of the following statement about the mean is FALSE?

What level of measurement has a true zero point indicating absence of the construct being measured?

Which one of the following would we use in the denominator of the standard deviation formula when calculating the standard deviation of a population of test scores?

Joanna wishes to describe the middle point in a distribution. Which statistic should she calculate?

In psychological testing, it is common to summarize distributions of test scores by showing an orderly arrangement of test scores using ______.

How would you calculate the mode of a distribution of scores?

If Julio assigns 0 to indicate women and 1 to indicate men, he is using a(n) ______.

What group of statistics is NOT a group we generally rely on to interpret test scores?

Which one of the following statement about raw scores is TRUE?

The scores on Dr. Katz's tests always had a mean of 50 and a standard deviation of 10. What statement best explains this phenomenon?

Most distributions of human traits, from height and weight to aptitudes and personality characteristics, would form a normal curve if ______.

Which one of the following levels of measurement involves assigning numbers to rank-order data and the distance between the numbers can vary?

If test scores differed significantly from the mean, you would expect a ______.

What are raw scores?

What Are Psychological Tests

Why Is Psychological Testing Important

What Are the Ethical Responsibilities of Test Publishers, Test Users, and Test Takers

What Is Test Reliabilityprecision

How Do We Gather Evidence of Validity Based on the Content of a Test

How Do We Gather Evidence of Validity Based on Testcriterion Relationships

How Do We Gather Evidence of Validity Based on a Tests Relation to Constructs

How Do We Construct and Administer Surveys and Use Survey Data

How Do We Develop a Test

How Do We Assess the Psychometric Quality of a Test

How Are Tests Used in Educational Settings

How Are Tests Used in Clinical and Counseling Settings

How Are Tests Used in Organizational Settings

Filters