Question 1

Which statement is TRUE concerning a coefficient of correlation?

Accepted Answer

A)  A correlation coefficient is an index of the causal relationship between two variables. 
B)  A correlation coefficient may be useful in prediction. 
C)  It covaries with the standard deviation. 
D)  It came about as a result of someone asking Francis Galton what his "sign" was. 
A)  A correlation coefficient is an index of the causal relationship between two variables. 
B)  A correlation coefficient may be useful in prediction. 
C)  It covaries with the standard deviation. 
D)  It came about as a result of someone asking Francis Galton what his "sign" was.

Question 2

A frequency distribution typically includes

Accepted Answer

A)  the average score and a measure of diversion around it. 
B)  each possible score and how often it occurs. 
C)  an estimate of how spread out the scores are. 
D)  an index of how "popular" a particular frequency is. 
A)  the average score and a measure of diversion around it. 
B)  each possible score and how often it occurs. 
C)  an estimate of how spread out the scores are. 
D)  an index of how "popular" a particular frequency is.

Question 3

The median and the interquartile range are __________ in nature.

Accepted Answer

A)  reciprocal 
B)  ordinal 
C)  interval 
D)  opposite 
A)  reciprocal 
B)  ordinal 
C)  interval 
D)  opposite

Question 4

If few scores fall on the negative side of the distribution,the distribution is ________ skewed.

Accepted Answer

A)  positively 
B)  negatively 
C)  symmetrically 
D)  asymmetrically 
A)  positively 
B)  negatively 
C)  symmetrically 
D)  asymmetrically

Question 5

A correlation coefficient equal to -.98 would indicate

Accepted Answer

A)  a weak inverse relationship between the two variables. 
B)  a weak direct relationship between the two variables. 
C)  a strong inverse relationship between the two variables. 
D)  a strong direct relationship between the two variables. 
A)  a weak inverse relationship between the two variables. 
B)  a weak direct relationship between the two variables. 
C)  a strong inverse relationship between the two variables. 
D)  a strong direct relationship between the two variables.

Question 6

Yards gained by running backs during a football game is an example of which type of scale?

Accepted Answer

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

Question 7

If the results of an examination are negatively skewed,the exam questions were likely:

Accepted Answer

A)  easy. 
B)  difficult. 
C)  biased. 
D)  quite novel in many respects. 
A)  easy. 
B)  difficult. 
C)  biased. 
D)  quite novel in many respects.

Question 8

Miles-per-hour is an example of which type of scale?

Accepted Answer

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

Question 9

A diagnostic classification listed in a manual as "3.18 Attention Deficit Hyperactivity Disorder" is an example of:

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 10

Imtiaz et al.(2016)studied the relationship between cannabis use and physical health.Colin (2015)studied the correlates of police use of force.The two studies had something in common; it was the fact that they both

Accepted Answer

A)  were conducted in Denver, Colorado. 
B)  employed police officers as subjects. 
C)  used meta-analysis to draw conclusions. 
D)  All of these 
A)  were conducted in Denver, Colorado. 
B)  employed police officers as subjects. 
C)  used meta-analysis to draw conclusions. 
D)  All of these

Question 11

Correlation coefficients range from -1 to:

Accepted Answer

A)  +1. 
B)  0. 
C)  + infinity. 
D)  +10. 
A)  +1. 
B)  0. 
C)  + infinity. 
D)  +10.

Question 12

According to Dr.Joni Mihura,some researchers reviewing the findings reported by Eysenck (1952)

Accepted Answer

A)  agreed with Eysenck's conclusions. 
B)  disagreed with Eysenck's conclusions. 
C)  both agreed with Eysenck's conclusions and disagreed with Eysenck's conclusions. 
D)  terminated their review prematurely. 
A)  agreed with Eysenck's conclusions. 
B)  disagreed with Eysenck's conclusions. 
C)  both agreed with Eysenck's conclusions and disagreed with Eysenck's conclusions. 
D)  terminated their review prematurely.

Question 13

Arithmetic mean is to ________ as median is to ________.

Accepted Answer

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

Question 14

If a person scores at the median on a test,and if the scores on the test are normally distributed,the individual will be in which stanine?

Accepted Answer

A)  the first 
B)  the fifth 
C)  the ninth 
D)  the fifteenth 
A)  the first 
B)  the fifth 
C)  the ninth 
D)  the fifteenth

Question 15

If the results of an examination are positively skewed,the exam questions were likely

Accepted Answer

A)  easy. 
B)  difficult. 
C)  biased. 
D)  part of a make-up examination. 
A)  easy. 
B)  difficult. 
C)  biased. 
D)  part of a make-up examination.

Question 16

Alfred Binet conceived the assignment of numbers to the results of a person's response to questions on an intelligence test to be what type of scale?

Accepted Answer

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

Question 17

In doing research on family therapy,a researcher reports on the number of children in each family studied.This reporting on the number of children in each family is BEST described as which type of scale?

Accepted Answer

A)  continuous 
B)  discrete 
C)  interval 
D)  None of these 
A)  continuous 
B)  discrete 
C)  interval 
D)  None of these

Question 18

What is the primary advantage of normalization of a skewed distribution?

Accepted Answer

A)  greater validity 
B)  easier comparability to other scales 
C)  greater reliability 
D)  eliminates negative numbers 
A)  greater validity 
B)  easier comparability to other scales 
C)  greater reliability 
D)  eliminates negative numbers

Question 19

Generally,which correlation coefficient best reflects the relationship between the number of calories consumed and body weight?

Accepted Answer

A)  +1.00 
B)  -1.00 
C)  +.8 
D)  -.8 
A)  +1.00 
B)  -1.00 
C)  +.8 
D)  -.8

Question 20

Which of the following is most directly associated with the process of predicting scores using regression techniques?

Accepted Answer

A)  a standard error of the estimate 
B)  a standard error of the mean 
C)  a standard error of measurement 
D)  a standard error of the difference 
A)  a standard error of the estimate 
B)  a standard error of the mean 
C)  a standard error of measurement 
D)  a standard error of the difference

Which statement is TRUE concerning a coefficient of correlation?

A frequency distribution typically includes

The median and the interquartile range are __________ in nature.

If few scores fall on the negative side of the distribution,the distribution is ________ skewed.

A correlation coefficient equal to -.98 would indicate

Yards gained by running backs during a football game is an example of which type of scale?

If the results of an examination are negatively skewed,the exam questions were likely:

Miles-per-hour is an example of which type of scale?

A diagnostic classification listed in a manual as "3.18 Attention Deficit Hyperactivity Disorder" is an example of:

Imtiaz et al.(2016)studied the relationship between cannabis use and physical health.Colin (2015)studied the correlates of police use of force.The two studies had something in common; it was the fact that they both

Correlation coefficients range from -1 to:

According to Dr.Joni Mihura,some researchers reviewing the findings reported by Eysenck (1952)

Arithmetic mean is to as median is to .

If a person scores at the median on a test,and if the scores on the test are normally distributed,the individual will be in which stanine?

If the results of an examination are positively skewed,the exam questions were likely

Alfred Binet conceived the assignment of numbers to the results of a person's response to questions on an intelligence test to be what type of scale?

In doing research on family therapy,a researcher reports on the number of children in each family studied.This reporting on the number of children in each family is BEST described as which type of scale?

What is the primary advantage of normalization of a skewed distribution?

Generally,which correlation coefficient best reflects the relationship between the number of calories consumed and body weight?

Which of the following is most directly associated with the process of predicting scores using regression techniques?

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

Exam 3: A Statistics Refresher

Which statement is TRUE concerning a coefficient of correlation?

A frequency distribution typically includes

The median and the interquartile range are __________ in nature.

If few scores fall on the negative side of the distribution,the distribution is ________ skewed.

A correlation coefficient equal to -.98 would indicate

Yards gained by running backs during a football game is an example of which type of scale?

If the results of an examination are negatively skewed,the exam questions were likely:

Miles-per-hour is an example of which type of scale?

A diagnostic classification listed in a manual as "3.18 Attention Deficit Hyperactivity Disorder" is an example of:

Imtiaz et al.(2016)studied the relationship between cannabis use and physical health.Colin (2015)studied the correlates of police use of force.The two studies had something in common; it was the fact that they both

Correlation coefficients range from -1 to:

According to Dr.Joni Mihura,some researchers reviewing the findings reported by Eysenck (1952)

Arithmetic mean is to ________ as median is to ________.

If a person scores at the median on a test,and if the scores on the test are normally distributed,the individual will be in which stanine?

If the results of an examination are positively skewed,the exam questions were likely

Alfred Binet conceived the assignment of numbers to the results of a person's response to questions on an intelligence test to be what type of scale?

In doing research on family therapy,a researcher reports on the number of children in each family studied.This reporting on the number of children in each family is BEST described as which type of scale?

What is the primary advantage of normalization of a skewed distribution?

Generally,which correlation coefficient best reflects the relationship between the number of calories consumed and body weight?

Which of the following is most directly associated with the process of predicting scores using regression techniques?

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

Arithmetic mean is to as median is to .