Question 1

With which scale(s)of measurement is it possible to correctly state that a score of 80 reflects twice as much as a score of 40?

Accepted Answer

A) All scales 
B) No scales 
C) Ratio,interval,and ordinal 
D) Interval and ratio 
E) Ratio 
A) All scales 
B) No scales 
C) Ratio,interval,and ordinal 
D) Interval and ratio 
E) Ratio E

Question 2

Assume a correlation between two tests is 0.40 (r = 0.40).What would the coefficient of determination equal?

Accepted Answer

A) 0.16 
B) 0.20 
C) 0.40 
D) 0.60 
A) 0.16 
B) 0.20 
C) 0.40 
D) 0.60 A

Question 3

If the correlation between math and writing achievement scores in the general population is 0.40,the correlation between these scores among students at MIT,Yale,and Stanford (selective and prestigious universities)would likely be:

Accepted Answer

A) approximately 0.40. 
B) less than 0.40. 
C) greater than 0.40. 
D) there is insufficient information to determine. 
A) approximately 0.40. 
B) less than 0.40. 
C) greater than 0.40. 
D) there is insufficient information to determine. B

Question 4

When one has a small set of scores that contains an extreme score (relative to the others),which measure of central tendency would be significantly impacted?

Accepted Answer

A) Mean 
B) Median 
C) Mode 
A) Mean 
B) Median 
C) Mode

Question 5

Coefficients based on samples with ________ variances will generally produce _______ correlation coefficients than those based on samples with ________ variances.

Accepted Answer

A) Large; higher; small 
B) Large; lower; small 
C) Small; higher; large 
D) Small; equal; large 
A) Large; higher; small 
B) Large; lower; small 
C) Small; higher; large 
D) Small; equal; large

Question 6

If the coefficient of determination is 0.30 what is the coefficient of non-determination?

Accepted Answer

A) 0.09 
B) 0.30 
C) 0.60 
D) 0.70 
A) 0.09 
B) 0.30 
C) 0.60 
D) 0.70

Question 7

What is the range of the data below? 
8 10 12 14 16 18 20 22

Accepted Answer

A) 8 
B) 12 
C) 14 
D) 22 
A) 8 
B) 12 
C) 14 
D) 22

Question 8

Addition and subtraction operations can be used with ________ scale(s)of measurement.

Accepted Answer

A) all 
B) ordinal,interval,and ratio 
C) interval and ratio 
D) ratio 
A) all 
B) ordinal,interval,and ratio 
C) interval and ratio 
D) ratio

Question 9

A set of scores with a standard deviation (SD)of 4 would have a variance equal to:

Accepted Answer

A) 2. 
B) 4. 
C) 8. 
D) 16. 
A) 2. 
B) 4. 
C) 8. 
D) 16.

Question 10

Why would a psychologist feel that the variance might be difficult to interpret?

Accepted Answer

A) It is a nonlinear transformation. 
B) It is an area transformation. 
C) It may be a negative number. 
D) It uses squared raw score units. 
A) It is a nonlinear transformation. 
B) It is an area transformation. 
C) It may be a negative number. 
D) It uses squared raw score units.

Question 11

A negatively skewed distribution is one with:

Accepted Answer

A) few scores at the low end and many scores grouped at the high end. 
B) few scores at the high end and many scores grouped at the low end. 
C) few scores at the high end and many negative scores. 
A) few scores at the low end and many scores grouped at the high end. 
B) few scores at the high end and many scores grouped at the low end. 
C) few scores at the high end and many negative scores.

Question 12

In a normal distribution,what percentage of scores will fall between one standard deviation below the mean and one standard deviation above the mean?

Accepted Answer

A) 16% 
B) 34% 
C) 68% 
D) 84% 
E) 98% 
A) 16% 
B) 34% 
C) 68% 
D) 84% 
E) 98%

Question 13

The final standing of runners after a race would be an example of which scale of measurement?

Accepted Answer

A) Interval 
B) Nominal 
C) Ordinal 
D) Ratio 
A) Interval 
B) Nominal 
C) Ordinal 
D) Ratio

Question 14

A bimodal distribution is best described as:

Accepted Answer

A) a distribution with two scores that are the same. 
B) a distribution with two scores of the same frequency. 
C) a distribution with two scores that are equal in frequency and higher than other scores. 
D) a distribution with two scores that are equal in frequency and lower than other scores. 
A) a distribution with two scores that are the same. 
B) a distribution with two scores of the same frequency. 
C) a distribution with two scores that are equal in frequency and higher than other scores. 
D) a distribution with two scores that are equal in frequency and lower than other scores.

Question 15

The standard deviation can be interpreted as measuring:

Accepted Answer

A) the average distance that scores vary from the mean of the distribution. 
B) the greatest distance that scores vary from the mean of the distribution. 
C) the average percentage of the distance that the scores vary from the mean of the distribution. 
D) the percentage of the distance that half the scores vary from the mean of the distribution. 
A) the average distance that scores vary from the mean of the distribution. 
B) the greatest distance that scores vary from the mean of the distribution. 
C) the average percentage of the distance that the scores vary from the mean of the distribution. 
D) the percentage of the distance that half the scores vary from the mean of the distribution.

Question 16

The appropriate correlation coefficient to use when one variable is dichotomous and one is measured on an interval or ratio scale is:

Accepted Answer

A) Alpha Coefficient. 
B) Pearson Product-Moment Correlation. 
C) Point-Biserial Correlation. 
D) Spearman Rank-Difference Correlation. 
A) Alpha Coefficient. 
B) Pearson Product-Moment Correlation. 
C) Point-Biserial Correlation. 
D) Spearman Rank-Difference Correlation.

Question 17

According to the guidelines presented in the text,a correlation of .25 would be considered:

Accepted Answer

A) weak. 
B) moderate. 
C) strong. 
A) weak. 
B) moderate. 
C) strong.

Question 18

If you want to calculate the correlation between spelling skills and reading comprehension which are both reported as percentile ranks,the appropriate coefficient is:

Accepted Answer

A) Beta Coefficient. 
B) Cronbach's Coefficient Alpha. 
C) Pearson Product-Moment Correlation. 
D) Spearman Rank-Difference Correlation. 
A) Beta Coefficient. 
B) Cronbach's Coefficient Alpha. 
C) Pearson Product-Moment Correlation. 
D) Spearman Rank-Difference Correlation.

Question 19

A special mathematical procedure for predicting scores on one variable (criterion or Y)given a score on another (predictor or X)is:

Accepted Answer

A) correlational analysis. 
B) linear regression. 
C) regression analysis. 
D) prediction constant. 
A) correlational analysis. 
B) linear regression. 
C) regression analysis. 
D) prediction constant.

Question 20

A ________ is a graph that visually displays the relationship between two variables.

Accepted Answer

A) bar graph 
B) list 
C) table 
D) scatterplot 
A) bar graph 
B) list 
C) table 
D) scatterplot

With which scale(s)of measurement is it possible to correctly state that a score of 80 reflects twice as much as a score of 40?

Assume a correlation between two tests is 0.40 (r = 0.40).What would the coefficient of determination equal?

If the correlation between math and writing achievement scores in the general population is 0.40,the correlation between these scores among students at MIT,Yale,and Stanford (selective and prestigious universities)would likely be:

When one has a small set of scores that contains an extreme score (relative to the others),which measure of central tendency would be significantly impacted?

Coefficients based on samples with ____ variances will generally produce _ correlation coefficients than those based on samples with ______ variances.

If the coefficient of determination is 0.30 what is the coefficient of non-determination?

What is the range of the data below? 8 10 12 14 16 18 20 22

Addition and subtraction operations can be used with ________ scale(s)of measurement.

A set of scores with a standard deviation (SD)of 4 would have a variance equal to:

Why would a psychologist feel that the variance might be difficult to interpret?

A negatively skewed distribution is one with:

In a normal distribution,what percentage of scores will fall between one standard deviation below the mean and one standard deviation above the mean?

The final standing of runners after a race would be an example of which scale of measurement?

A bimodal distribution is best described as:

The standard deviation can be interpreted as measuring:

The appropriate correlation coefficient to use when one variable is dichotomous and one is measured on an interval or ratio scale is:

According to the guidelines presented in the text,a correlation of .25 would be considered:

If you want to calculate the correlation between spelling skills and reading comprehension which are both reported as percentile ranks,the appropriate coefficient is:

A special mathematical procedure for predicting scores on one variable (criterion or Y)given a score on another (predictor or X)is:

A ________ is a graph that visually displays the relationship between two variables.

Introduction to Psychological Testing: Why We Do It and What It Is

The Meaning of Test Scores

Reliability

Validity

Item Development

Item Analysis: Methods for Fitting the Right Items to the Right Test

Achievement Tests in the Era of High-Stakes Assessment

Assessment of Intelligence

Assessment of Personality

Behavioral Assessment

Employment and Vocational Testing

Neuropsychological Testing

Forensic Applications of Psychological Assessment

The Problem of Bias in Psychological Assessment

Assessment Accommodations

Best Practices: Legal and Ethical Issues

How to Develop a Psychological Test: a Practical Approach

Filters

Exam 2: The Basics Statistics of Measurement

With which scale(s)of measurement is it possible to correctly state that a score of 80 reflects twice as much as a score of 40?

Assume a correlation between two tests is 0.40 (r = 0.40).What would the coefficient of determination equal?

If the correlation between math and writing achievement scores in the general population is 0.40,the correlation between these scores among students at MIT,Yale,and Stanford (selective and prestigious universities)would likely be:

When one has a small set of scores that contains an extreme score (relative to the others),which measure of central tendency would be significantly impacted?

Coefficients based on samples with ________ variances will generally produce _______ correlation coefficients than those based on samples with ________ variances.

If the coefficient of determination is 0.30 what is the coefficient of non-determination?

What is the range of the data below? 8 10 12 14 16 18 20 22

Addition and subtraction operations can be used with ________ scale(s)of measurement.

A set of scores with a standard deviation (SD)of 4 would have a variance equal to:

Why would a psychologist feel that the variance might be difficult to interpret?

A negatively skewed distribution is one with:

In a normal distribution,what percentage of scores will fall between one standard deviation below the mean and one standard deviation above the mean?

The final standing of runners after a race would be an example of which scale of measurement?

A bimodal distribution is best described as:

The standard deviation can be interpreted as measuring:

The appropriate correlation coefficient to use when one variable is dichotomous and one is measured on an interval or ratio scale is:

According to the guidelines presented in the text,a correlation of .25 would be considered:

If you want to calculate the correlation between spelling skills and reading comprehension which are both reported as percentile ranks,the appropriate coefficient is:

A special mathematical procedure for predicting scores on one variable (criterion or Y)given a score on another (predictor or X)is:

A ________ is a graph that visually displays the relationship between two variables.

Introduction to Psychological Testing: Why We Do It and What It Is

The Meaning of Test Scores

Reliability

Validity

Item Development

Item Analysis: Methods for Fitting the Right Items to the Right Test

Achievement Tests in the Era of High-Stakes Assessment

Assessment of Intelligence

Assessment of Personality

Behavioral Assessment

Employment and Vocational Testing

Neuropsychological Testing

Forensic Applications of Psychological Assessment

The Problem of Bias in Psychological Assessment

Assessment Accommodations

Best Practices: Legal and Ethical Issues

How to Develop a Psychological Test: a Practical Approach

Filters

Coefficients based on samples with ____ variances will generally produce _ correlation coefficients than those based on samples with ______ variances.