Question 1

Based on the data above, what are the odds of being a man if you watch sport?

Accepted Answer

A)  0.47 
B)  0.14 
C)  0.41 
D)  2.13 
A)  0.47 
B)  0.14 
C)  0.41 
D)  2.13 D

Question 2

In the following table, what number is missing? (marked with ?)

Accepted Answer

A)  6 
B)  2.6 
C)  1.4 
D)  9.4 
A)  6 
B)  2.6 
C)  1.4 
D)  9.4 B

Question 3

Which of the following are not examples of assumptions for the chi-square statistic?

Accepted Answer

A)  Each entity contributes to only one cell of the contingency table. 
B)  Expected frequency should be less than 5. 
C)  It does not rely on having continuous normally-distributed data. 
D)  None of the above. 
A)  Each entity contributes to only one cell of the contingency table. 
B)  Expected frequency should be less than 5. 
C)  It does not rely on having continuous normally-distributed data. 
D)  None of the above. B

Question 4

What data transformations are necessary before loglinear analysis?

Accepted Answer

A)  Data reduction 
B)  Logarithmic 
C)  Linear regression 
D)  Summary statistics 
A)  Data reduction 
B)  Logarithmic 
C)  Linear regression 
D)  Summary statistics

Question 5

What data transformations are necessary before loglinear analysis?

Accepted Answer

A)  Data reduction 
B)  Logarithmic 
C)  Linear regression 
D)  Summary statistics 
A)  Data reduction 
B)  Logarithmic 
C)  Linear regression 
D)  Summary statistics

Question 6

In a study of 'communicating the significance of radiologic test results' by Black and Armstrong (1986), the use of likelihood ratios is very important to the work of the radiologist (source: http:/ / www.ajronline.org/ cgi/ reprint/ 147/ 6/ 1313). Why?

Accepted Answer

A)  Because it provides a reliable predictor of disease probability. 
B)  Because it assists with computation of the result. 
C)  Because it has a low predictive power. 
D)  None of the above. 
A)  Because it provides a reliable predictor of disease probability. 
B)  Because it assists with computation of the result. 
C)  Because it has a low predictive power. 
D)  None of the above.

Question 7

Based on the data above, what are the odds of being a man if you watch sport?

Accepted Answer

A)  0.47 
B)  0.14 
C)  0.41 
D)  2.13 
A)  0.47 
B)  0.14 
C)  0.41 
D)  2.13

Question 8

For the same data, a chi-square test produced the SPSS output below. What can we conclude from this output?

Accepted Answer

A)  Women watched significantly more programmes than men. 
B)  Significantly more soap operas were watched. 
C)  The profile of programmes watched was significantly different between men and women. 
D)  Men and women watch similar types of programmes. 
A)  Women watched significantly more programmes than men. 
B)  Significantly more soap operas were watched. 
C)  The profile of programmes watched was significantly different between men and women. 
D)  Men and women watch similar types of programmes.

Question 9

In a study of 'communicating the significance of radiologic test results' by Black and Armstrong (1986), the use of likelihood ratios is very important to the work of the radiologist (source: http:/ / www.ajronline.org/ cgi/ reprint/ 147/ 6/ 1313). Why?

Accepted Answer

A)  Because it provides a reliable predictor of disease probability. 
B)  Because it assists with computation of the result. 
C)  Because it has a low predictive power. 
D)  None of the above. 
A)  Because it provides a reliable predictor of disease probability. 
B)  Because it assists with computation of the result. 
C)  Because it has a low predictive power. 
D)  None of the above.

Question 10

Loglinear analysis is not

Accepted Answer

A)  A goodness-of-fit test that allows you to test all the effects. 
B)  A test that employs an algorithm to generate expected cell frequencies for each model . 
C)  A test that will find the model that best represents the data. 
D)  A test that employs a differential analysis. 
A)  A goodness-of-fit test that allows you to test all the effects. 
B)  A test that employs an algorithm to generate expected cell frequencies for each model . 
C)  A test that will find the model that best represents the data. 
D)  A test that employs a differential analysis.

Question 11

When testing several categorical variables, which is the appropriate test of relationship?

Accepted Answer

A)  Chi-square 
B)  Elaborated chi-square 
C)  Part correlation 
D)  Loglinear analysis 
A)  Chi-square 
B)  Elaborated chi-square 
C)  Part correlation 
D)  Loglinear analysis

Question 12

A study entitled 'Structural equation and log-linear modelling: a comparison of methods in the analysis on caregivers' health' by Zhu et al. (2006) showed a large effect size in the interaction between psychological health and physical health (source: http:/ / www.biomedcentral.com/ 1471-2288/ 6/ 49). What can be deduced by this finding?

Accepted Answer

A)  Both factors are significantly related in the study. 
B)  Both factors are significantly unrelated in the study. 
C)  Both factors have an effect on the study results. 
D)  None of the above. 
A)  Both factors are significantly related in the study. 
B)  Both factors are significantly unrelated in the study. 
C)  Both factors have an effect on the study results. 
D)  None of the above.

Question 13

Which is an assumption of chi-square?

Accepted Answer

A)  That the data are normally distributed. 
B)  That each subject contributes data to only one cell. 
C)  That the data are continuous. 
D)  That there is little variability among the data. 
A)  That the data are normally distributed. 
B)  That each subject contributes data to only one cell. 
C)  That the data are continuous. 
D)  That there is little variability among the data.

Question 14

When would you consider converting χ2 to odds ratio?

Accepted Answer

A)  When calculating the effect size before performing a chi-square test 
B)  When calculating the likelihood before performing a chi-square test 
C)  When calculating the effect size after performing a chi-square test 
D)  When calculating the likelihood after performing a chi-square test 
A)  When calculating the effect size before performing a chi-square test 
B)  When calculating the likelihood before performing a chi-square test 
C)  When calculating the effect size after performing a chi-square test 
D)  When calculating the likelihood after performing a chi-square test

Question 15

When would you consider using a loglinear analysis as the method of choice?

Accepted Answer

A)  When data need to be collapsed 
B)  When sample sizes are large 
C)  When there are several categorical variables 
D)  None of the above 
A)  When data need to be collapsed 
B)  When sample sizes are large 
C)  When there are several categorical variables 
D)  None of the above

Question 16

Which of the following is not an assumption to be met for loglinear analysis?

Accepted Answer

A)  Cells of the contingency table must be independent. 
B)  All cells must have expected frequencies greater than 5. 
C)  All cells must have expected frequencies greater than 1. 
D)  All of the above. 
A)  Cells of the contingency table must be independent. 
B)  All cells must have expected frequencies greater than 5. 
C)  All cells must have expected frequencies greater than 1. 
D)  All of the above.

Question 17

Which of the following is not an assumption to be met for loglinear analysis?

Accepted Answer

A)  Cells of the contingency table must be independent. 
B)  All cells must have expected frequencies greater than 5. 
C)  All cells must have expected frequencies greater than 1. 
D)  All of the above. 
A)  Cells of the contingency table must be independent. 
B)  All cells must have expected frequencies greater than 5. 
C)  All cells must have expected frequencies greater than 1. 
D)  All of the above.

Question 18

A researcher asked 933 people which type of programme they prefer to watch on television. Results are below. What is the expected frequency for men who liked to watch sport?

Accepted Answer

A)  132 
B)  94.19 
C)  64.09 
D)  27.45 
A)  132 
B)  94.19 
C)  64.09 
D)  27.45

Question 19

Which of the following are not examples of assumptions for the chi-square statistic?

Accepted Answer

A)  Each entity contributes to only one cell of the contingency table. 
B)  Expected frequency should be less than 5. 
C)  It does not rely on having continuous normally-distributed data. 
D)  None of the above. 
A)  Each entity contributes to only one cell of the contingency table. 
B)  Expected frequency should be less than 5. 
C)  It does not rely on having continuous normally-distributed data. 
D)  None of the above.

Question 20

Loglinear analysis is not

Accepted Answer

A)  A goodness-of-fit test that allows you to test all the effects. 
B)  A test that employs an algorithm to generate expected cell frequencies for each model . 
C)  A test that will find the model that best represents the data. 
D)  A test that employs a differential analysis. 
A)  A goodness-of-fit test that allows you to test all the effects. 
B)  A test that employs an algorithm to generate expected cell frequencies for each model . 
C)  A test that will find the model that best represents the data. 
D)  A test that employs a differential analysis.

Based on the data above, what are the odds of being a man if you watch sport?

In the following table, what number is missing? (marked with ?)

Which of the following are not examples of assumptions for the chi-square statistic?

What data transformations are necessary before loglinear analysis?

What data transformations are necessary before loglinear analysis?

In a study of 'communicating the significance of radiologic test results' by Black and Armstrong (1986), the use of likelihood ratios is very important to the work of the radiologist (source: http:/ / www.ajronline.org/ cgi/ reprint/ 147/ 6/ 1313). Why?

Based on the data above, what are the odds of being a man if you watch sport?

For the same data, a chi-square test produced the SPSS output below. What can we conclude from this output?

In a study of 'communicating the significance of radiologic test results' by Black and Armstrong (1986), the use of likelihood ratios is very important to the work of the radiologist (source: http:/ / www.ajronline.org/ cgi/ reprint/ 147/ 6/ 1313). Why?

Loglinear analysis is not

When testing several categorical variables, which is the appropriate test of relationship?

Which is an assumption of chi-square?

When would you consider converting χ² to odds ratio?

When would you consider using a loglinear analysis as the method of choice?

Which of the following is not an assumption to be met for loglinear analysis?

Which of the following is not an assumption to be met for loglinear analysis?

A researcher asked 933 people which type of programme they prefer to watch on television. Results are below. What is the expected frequency for men who liked to watch sport?

Which of the following are not examples of assumptions for the chi-square statistic?

Loglinear analysis is not

Why Is My Evil Lecturer Forcing Me to Learn Statistics

The Spine of Statistics

The Phoenix of Statistics

The Ibm Spss Statistics Environment

Exploring Data With Graphs

The Beast of Bias

Non-Parametric Models

Correlation

Regression

Comparing Two Means

Moderation,mediation and More Regression

Glm 1: Comparing Several Independent Means

Glm 2: Comparing Means Adjusted for Other Predictors Analysis of Covariance

Glm 3: Factorial Designs

Glm 4: Repeated-Measures Designs

Glm 5: Mixed Designs

Multivariate Analysis of Variance Manova

Exploratory Factor Analysis

Categorical Outcomes: Logistic Regression

Multilevel Linear Models

Filters

Exam 19: Categorical Outcomes: Chi-Square and Loglinear Analysis

Based on the data above, what are the odds of being a man if you watch sport?

In the following table, what number is missing? (marked with ?)

Which of the following are not examples of assumptions for the chi-square statistic?

What data transformations are necessary before loglinear analysis?

What data transformations are necessary before loglinear analysis?

In a study of 'communicating the significance of radiologic test results' by Black and Armstrong (1986), the use of likelihood ratios is very important to the work of the radiologist (source: http:/ / www.ajronline.org/ cgi/ reprint/ 147/ 6/ 1313). Why?

Based on the data above, what are the odds of being a man if you watch sport?

For the same data, a chi-square test produced the SPSS output below. What can we conclude from this output?

In a study of 'communicating the significance of radiologic test results' by Black and Armstrong (1986), the use of likelihood ratios is very important to the work of the radiologist (source: http:/ / www.ajronline.org/ cgi/ reprint/ 147/ 6/ 1313). Why?

Loglinear analysis is not

When testing several categorical variables, which is the appropriate test of relationship?

Which is an assumption of chi-square?

When would you consider converting χ2 to odds ratio?

When would you consider using a loglinear analysis as the method of choice?

Which of the following is not an assumption to be met for loglinear analysis?

Which of the following is not an assumption to be met for loglinear analysis?

A researcher asked 933 people which type of programme they prefer to watch on television. Results are below. What is the expected frequency for men who liked to watch sport?

Which of the following are not examples of assumptions for the chi-square statistic?

Loglinear analysis is not

Why Is My Evil Lecturer Forcing Me to Learn Statistics

The Spine of Statistics

The Phoenix of Statistics

The Ibm Spss Statistics Environment

Exploring Data With Graphs

The Beast of Bias

Non-Parametric Models

Correlation

Regression

Comparing Two Means

Moderation,mediation and More Regression

Glm 1: Comparing Several Independent Means

Glm 2: Comparing Means Adjusted for Other Predictors Analysis of Covariance

Glm 3: Factorial Designs

Glm 4: Repeated-Measures Designs

Glm 5: Mixed Designs

Multivariate Analysis of Variance Manova

Exploratory Factor Analysis

Categorical Outcomes: Logistic Regression

Multilevel Linear Models

Filters

When would you consider converting χ² to odds ratio?