Question 1

Which of the following terms is given to a participant who does not experience the event of interest in a survival analysis?

Accepted Answer

A) A survivor 
B) A case 
C) A censored case 
D) None of the above 
A) A survivor 
B) A case 
C) A censored case 
D) None of the above C

Question 2

Which probability distribution is used by the Mantel-Cox test to calculate the p-values?

Accepted Answer

A) The standard normal distribution 
B) The binomial distribution 
C) The t distribution 
D) The chi-square distribution 
A) The standard normal distribution 
B) The binomial distribution 
C) The t distribution 
D) The chi-square distribution D

Question 3

The hazard function is:

Accepted Answer

A) the instantaneous rate of survival at any time point 
B) the instantaneous rate of event at any time point 
C) the instantaneous rate of censoring at any time point 
D) any of the above 
A) the instantaneous rate of survival at any time point 
B) the instantaneous rate of event at any time point 
C) the instantaneous rate of censoring at any time point 
D) any of the above B

Question 4

According to the following hazard curves which group experiences the earlier increase in the rate of Migraines?

Accepted Answer

A) The regular treatment condition 
B) The new Migraine treatment 
C) Both treatments experience the same rate of increase in Migraines 
D) None of the above 
A) The regular treatment condition 
B) The new Migraine treatment 
C) Both treatments experience the same rate of increase in Migraines 
D) None of the above

Question 5

What is a survival curve?

Accepted Answer

A) A plot of the actual time taken for everyone to experience the event of interest 
B) A plot of the number of participants who are randomised into the study 
C) A plot of the proportion of participants who do not experience the event of interest over the time of the study 
D) None of the above 
A) A plot of the actual time taken for everyone to experience the event of interest 
B) A plot of the number of participants who are randomised into the study 
C) A plot of the proportion of participants who do not experience the event of interest over the time of the study 
D) None of the above

Question 6

What is the purpose of the Log Rank test?

Accepted Answer

A) To look at difference in number of participants who do not experience an event of interest 
B) To calculate the proportion of censored data in survival analysis 
C) To investigate differences between survival curves 
D) None of the above 
A) To look at difference in number of participants who do not experience an event of interest 
B) To calculate the proportion of censored data in survival analysis 
C) To investigate differences between survival curves 
D) None of the above

Question 7

In the following SPSS screenshot what does the third column represent?

Accepted Answer

A) Whether or not the participants are employed 
B) Whether or not the participants were randomised into the study 
C) Whether or not the participants received the treatment 
D) Whether or not the participants experienced the event of interest during the study 
A) Whether or not the participants are employed 
B) Whether or not the participants were randomised into the study 
C) Whether or not the participants received the treatment 
D) Whether or not the participants experienced the event of interest during the study

Question 8

What is the additional benefit over a standard survival curve offered by Kaplan-Meir curves?

Accepted Answer

A) They are easier to plot 
B) They take account of censored cases at each relevant time-point 
C) They are easier to understand 
D) All of the above 
A) They are easier to plot 
B) They take account of censored cases at each relevant time-point 
C) They are easier to understand 
D) All of the above

Question 9

In the following graph how many cases are right censored?

Accepted Answer

A) 10 
B) 5 
C) 6 
D) 4 
A) 10 
B) 5 
C) 6 
D) 4

Question 10

According to the following survival table how many censored cases are there?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Which of the following terms is given to a participant who does not experience the event of interest in a survival analysis?

Which probability distribution is used by the Mantel-Cox test to calculate the p-values?

The hazard function is:

According to the following hazard curves which group experiences the earlier increase in the rate of Migraines?

What is a survival curve?

What is the purpose of the Log Rank test?

In the following SPSS screenshot what does the third column represent?

What is the additional benefit over a standard survival curve offered by Kaplan-Meir curves?

In the following graph how many cases are right censored?

According to the following survival table how many censored cases are there?

An Introduction to the Research Process

Descriptive Statistics

The Basis of Statistical Testing

Epidemiology

Introduction to Data Screening and Cleaning

Differences Between Two Groups

Differences Between Three or More Conditions

Testing Associations Between Categorical Variables

Measuring Agreement: Correlational Techniques

Linear Regression

Standard Multiple Regression

Logistic Regression

Interventions and Analysis of Change

Filters

Exam 14: Survival Analysis: an Introduction

Which of the following terms is given to a participant who does not experience the event of interest in a survival analysis?

Which probability distribution is used by the Mantel-Cox test to calculate the p-values?

The hazard function is:

According to the following hazard curves which group experiences the earlier increase in the rate of Migraines?

What is a survival curve?

What is the purpose of the Log Rank test?

In the following SPSS screenshot what does the third column represent?

What is the additional benefit over a standard survival curve offered by Kaplan-Meir curves?

In the following graph how many cases are right censored?

According to the following survival table how many censored cases are there?

An Introduction to the Research Process

Descriptive Statistics

The Basis of Statistical Testing

Epidemiology

Introduction to Data Screening and Cleaning

Differences Between Two Groups

Differences Between Three or More Conditions

Testing Associations Between Categorical Variables

Measuring Agreement: Correlational Techniques

Linear Regression

Standard Multiple Regression

Logistic Regression

Interventions and Analysis of Change

Filters