Question 1

What is the relationship between the mean,the median,and the mode for a distribution of scores that is normally distributed?

Accepted Answer

A)  The mean and the median are larger than the mode. 
B)  The mean and the median are smaller than the mode. 
C)  The mean and the mode are larger than the median. 
D)  The mean, the median, and the mode are equal. 
A)  The mean and the median are larger than the mode. 
B)  The mean and the median are smaller than the mode. 
C)  The mean and the mode are larger than the median. 
D)  The mean, the median, and the mode are equal.

Question 2

In a scale used in a psychology experiment,a value of "1" is assigned to subjects with black hair,and a value of "2" is assigned to subjects with blonde hair.The type of scale used in this experiment is:

Accepted Answer

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

Question 3

A correlation coefficient that is significant at the p < .01 level

Accepted Answer

A)  has a 99% chance of being accurate. 
B)  could have been expected to occur by chance alone one time or less in 100. 
C)  could have been expected to occur by chance alone 99 times or more in 100. 
D)  accounts for about 1% of the variance. 
A)  has a 99% chance of being accurate. 
B)  could have been expected to occur by chance alone one time or less in 100. 
C)  could have been expected to occur by chance alone 99 times or more in 100. 
D)  accounts for about 1% of the variance.

Question 4

Which of the following describes the shape of the normal curve?

Accepted Answer

A)  positively skewed 
B)  negatively skewed 
C)  symmetrical 
D)  bimodal 
A)  positively skewed 
B)  negatively skewed 
C)  symmetrical 
D)  bimodal

Question 5

Numbers are assigned to each player on the university basketball team.This use of numbers could BEST be characterized as

Accepted Answer

A)  a nominal scale. 
B)  an ordinal scale. 
C)  an interval scale. 
D)  a ratio scale. 
A)  a nominal scale. 
B)  an ordinal scale. 
C)  an interval scale. 
D)  a ratio scale.

Question 6

What is the formula for the arithmetic mean as calculated from a frequency distribution?

Accepted Answer

A)  "summation of fx" divided by N 
B)  "summation of the absolute deviations" divided by N 
C)  "summation of x" divided by N 
D)  None of these 
A)  "summation of fx" divided by N 
B)  "summation of the absolute deviations" divided by N 
C)  "summation of x" divided by N 
D)  None of these

Question 7

The main purpose of using statistics is

Accepted Answer

A)  to conduct experiments in a replicable fashion. 
B)  to put data into an interpretable form. 
C)  to rank-order data. 
D)  to predict experimental outcomes. 
A)  to conduct experiments in a replicable fashion. 
B)  to put data into an interpretable form. 
C)  to rank-order data. 
D)  to predict experimental outcomes.

Question 8

The U.S.Navy is highly selective when it comes to applications for Navy Seal training.A distribution of test scores on a Navy Seal Qualifying and Screening Examination administered to a class of high school seniors would be expected to yield

Accepted Answer

A)  a normal distribution of test scores. 
B)  a negatively skewed distribution of test scores. 
C)  a positively skewed distribution of test scores. 
D)  a trimodal distribution. 
A)  a normal distribution of test scores. 
B)  a negatively skewed distribution of test scores. 
C)  a positively skewed distribution of test scores. 
D)  a trimodal distribution.

Question 9

Considering all of the people throughout history who are credited with the development of what is now called "the normal curve," which name does NOT belong?

Accepted Answer

A)  Abraham DeMoivre 
B)  Marquis de Laplace 
C)  W. A. McCall 
D)  Karl Friedrich Gauss 
A)  Abraham DeMoivre 
B)  Marquis de Laplace 
C)  W. A. McCall 
D)  Karl Friedrich Gauss

Question 10

A correlation coefficient is equal to .30.Using the concept of coefficient of determination,the variance accounted for by chance,error,and other unexplained factors would be:

Accepted Answer

A)  approximately 91%. 
B)  approximately 30%. 
C)  approximately 3%. 
D)  None of these 
A)  approximately 91%. 
B)  approximately 30%. 
C)  approximately 3%. 
D)  None of these

Question 11

X is to abscissa as Y is to

Accepted Answer

A)  oblongata. 
B)  kudos. 
C)  kurtotic. 
D)  ordinate. 
A)  oblongata. 
B)  kudos. 
C)  kurtotic. 
D)  ordinate.

Question 12

Which of the following statistics is the preferred measure of central tendency for a skewed distribution?

Accepted Answer

A)  the mean 
B)  the median 
C)  the mode 
D)  None of these 
A)  the mean 
B)  the median 
C)  the mode 
D)  None of these

Question 13

Which statistic conveys the LEAST precise measure of dispersion?

Accepted Answer

A)  the range 
B)  the variance 
C)  the standard deviation 
D)  the semi-interquartile range 
A)  the range 
B)  the variance 
C)  the standard deviation 
D)  the semi-interquartile range

Question 14

The T in T-scores came about because this variety of standard score was named after

Accepted Answer

A)  Thurstone. 
B)  Titchener. 
C)  Thorndike. 
D)  Terman. 
A)  Thurstone. 
B)  Titchener. 
C)  Thorndike. 
D)  Terman.

Question 15

Q3-Q2 will be greater than the distance of Q2-Q1 in a distribution of scores that is

Accepted Answer

A)  normal. 
B)  positively skewed. 
C)  negatively skewed. 
D)  symmetrical. 
A)  normal. 
B)  positively skewed. 
C)  negatively skewed. 
D)  symmetrical.

Question 16

Dr.Joni Mihura reported that there are over ____ psychology journal articles in the PsycINFO data base that are classified as empirical studies.

Accepted Answer

A)  10,000 
B)  100,000 
C)  1 million 
D)  10 million 
A)  10,000 
B)  100,000 
C)  1 million 
D)  10 million

Question 17

Which of the following statements is TRUE concerning a correlation coefficient?

Accepted Answer

A)  A restricted range in either correlated variable makes the correlation lower. 
B)  A correlation coefficient provides information regarding causation. 
C)  No meaning is attached to the sign of a correlation coefficient, since the coefficient is ultimately squared. 
D)  Restriction of range is now illegal in the 48 contiguous states. 
A)  A restricted range in either correlated variable makes the correlation lower. 
B)  A correlation coefficient provides information regarding causation. 
C)  No meaning is attached to the sign of a correlation coefficient, since the coefficient is ultimately squared. 
D)  Restriction of range is now illegal in the 48 contiguous states.

Question 18

Which of the following is the equivalent T score for an IQ score of 115 on an IQ test that has a mean of 100 and a standard deviation of 15?

Accepted Answer

A)  40 
B)  50 
C)  60 
D)  70 
A)  40 
B)  50 
C)  60 
D)  70

Question 19

Unlike the arithmetic mean of scores in a distribution,the mode

Accepted Answer

A)  may be totally atypical of other scores in the distribution. 
B)  may lie at the extreme end of the distribution. 
C)  is determined by counting the scores and determining which occurs most frequently. 
D)  All of these 
A)  may be totally atypical of other scores in the distribution. 
B)  may lie at the extreme end of the distribution. 
C)  is determined by counting the scores and determining which occurs most frequently. 
D)  All of these

Question 20

Charles Spearman is credited with

Accepted Answer

A)  developing a type of correlation coefficient. 
B)  developing a way to predict the accuracy of a test. 
C)  developing factor analysis. 
D)  All of these 
A)  developing a type of correlation coefficient. 
B)  developing a way to predict the accuracy of a test. 
C)  developing factor analysis. 
D)  All of these

What is the relationship between the mean,the median,and the mode for a distribution of scores that is normally distributed?

In a scale used in a psychology experiment,a value of "1" is assigned to subjects with black hair,and a value of "2" is assigned to subjects with blonde hair.The type of scale used in this experiment is:

A correlation coefficient that is significant at the p < .01 level

Which of the following describes the shape of the normal curve?

Numbers are assigned to each player on the university basketball team.This use of numbers could BEST be characterized as

What is the formula for the arithmetic mean as calculated from a frequency distribution?

The main purpose of using statistics is

The U.S.Navy is highly selective when it comes to applications for Navy Seal training.A distribution of test scores on a Navy Seal Qualifying and Screening Examination administered to a class of high school seniors would be expected to yield

Considering all of the people throughout history who are credited with the development of what is now called "the normal curve," which name does NOT belong?

A correlation coefficient is equal to .30.Using the concept of coefficient of determination,the variance accounted for by chance,error,and other unexplained factors would be:

X is to abscissa as Y is to

Which of the following statistics is the preferred measure of central tendency for a skewed distribution?

Which statistic conveys the LEAST precise measure of dispersion?

The T in T-scores came about because this variety of standard score was named after

Q3-Q2 will be greater than the distance of Q2-Q1 in a distribution of scores that is

Dr.Joni Mihura reported that there are over ____ psychology journal articles in the PsycINFO data base that are classified as empirical studies.

Which of the following statements is TRUE concerning a correlation coefficient?

Which of the following is the equivalent T score for an IQ score of 115 on an IQ test that has a mean of 100 and a standard deviation of 15?

Unlike the arithmetic mean of scores in a distribution,the mode

Charles Spearman is credited with

Psychological Testing and Assessment

Historical, Cultural, and Legalethical Considerations

Of Tests and Testing

Reliability

Validity

Utility

Test Development

Intelligence and Its Measurement

Assessment for Education

Personality Assessment: an Overview

Personality Assessment Methods

Clinical and Counseling Assessment

Neuropsychological Assessment

Assessment,Careers,and Business

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Exam 3: A Statistics Refresher

What is the relationship between the mean,the median,and the mode for a distribution of scores that is normally distributed?

In a scale used in a psychology experiment,a value of "1" is assigned to subjects with black hair,and a value of "2" is assigned to subjects with blonde hair.The type of scale used in this experiment is:

A correlation coefficient that is significant at the p < .01 level

Which of the following describes the shape of the normal curve?

Numbers are assigned to each player on the university basketball team.This use of numbers could BEST be characterized as

What is the formula for the arithmetic mean as calculated from a frequency distribution?

The main purpose of using statistics is

The U.S.Navy is highly selective when it comes to applications for Navy Seal training.A distribution of test scores on a Navy Seal Qualifying and Screening Examination administered to a class of high school seniors would be expected to yield

Considering all of the people throughout history who are credited with the development of what is now called "the normal curve," which name does NOT belong?

A correlation coefficient is equal to .30.Using the concept of coefficient of determination,the variance accounted for by chance,error,and other unexplained factors would be:

X is to abscissa as Y is to

Which of the following statistics is the preferred measure of central tendency for a skewed distribution?

Which statistic conveys the LEAST precise measure of dispersion?

The T in T-scores came about because this variety of standard score was named after

Q3-Q2 will be greater than the distance of Q2-Q1 in a distribution of scores that is

Dr.Joni Mihura reported that there are over ____ psychology journal articles in the PsycINFO data base that are classified as empirical studies.

Which of the following statements is TRUE concerning a correlation coefficient?

Which of the following is the equivalent T score for an IQ score of 115 on an IQ test that has a mean of 100 and a standard deviation of 15?

Unlike the arithmetic mean of scores in a distribution,the mode

Charles Spearman is credited with

Psychological Testing and Assessment

Historical, Cultural, and Legalethical Considerations

Of Tests and Testing

Reliability

Validity

Utility

Test Development

Intelligence and Its Measurement

Assessment for Education

Personality Assessment: an Overview

Personality Assessment Methods

Clinical and Counseling Assessment

Neuropsychological Assessment

Assessment,Careers,and Business

Filters