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,Essentials of Biostatistics for Public Health, Fourth Edition
Lisa Sullivan
Test Bank
Import Settings:
Base Settings: Brownstone Default
Information Field: Complexity
Information Field: Ahead
Information Field: Subject
Highest Answer Letter: D
Multiple Keywords in Same Paragraph: No
Chapter: Chapter 01 - Quiz
Multiple Choice
1. A subset of the population of interest is often referred to by what statistical term?
A) A sample of individuals
B) A subculture of individuals
C) A class of individuals
D) A minority group
Ans: A
Complexity: Easy
Ahead: What is Biostatistics?
Subject: Chapter 1
2. Which of the following is not a measure of uncertainty in a biostatistician’s estimate of a particular
outcome in a population, based on analysis of a sample?
A) Chance error
B) Sampling error
C) Standard error
D) Margin of error
Ans: A
Complexity: Easy
Ahead: How Is the Extent of Disease in a Group or Region Quantified?
Subject: Chapter 1
3. Which of the following most appropriately describes how results from analysis of a cross-sectional
study can be generalized to a population?
A) Results generated from a cross-sectional study can be generalized to new or changing populations
regardless of the amount of time that has passed since the study was conducted.
B) Results generated from a cross-sectional study can only be generalized to the original population of
interest during the time that the study was conducted.
C) Results generated from a cross-sectional study can be generalized to any group of individuals with
similar characteristics to the original population of interest.
D) Results generated from a cross-sectional study can be generalized to all individuals regardless of how
much those individuals differ from the original population of interest.
Ans: B
Complexity: Moderate
Copyright © 2023 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Essentials of Biostatistics for Public Health, Fourth Edition
Lisa Sullivan
Test Bank
Ahead: How Is the Extent of Disease in a Group or Region Quantified?
Subject: Chapter 1
4. Researchers conducted a study and reported that the relative risk for developing a cold is 0.47 for
individuals taking vitamin C as compared to individuals not taking vitamin C. This is an indication of which
of the following?
A) This indicates that the individuals taking vitamin C were 47% more likely to catch a cold and that taking
vitamin C makes people more susceptible to catching a cold.
B) This indicates that the individuals taking vitamin C were 47% less likely to catch a cold and that taking
vitamin C has a protective effect.
C) This indicates that the individuals taking vitamin C were 53% less likely to catch a cold and that taking
vitamin C has a protective effect.
D) Only relative risks above one are statistically significant, thus a relative risk ratio below one indicates
there is no difference between the individuals who take vitamin C and those who do not in terms of their
risk for catching a cold.
Ans: C
Complexity: Difficult
Ahead: How Are Risk Factors or Characteristics That Might Be Related to the Development or
Progression of Disease Identified?
Subject: Chapter 1
5. Which of the following is the most important factor in determining the generalizability of a well-designed
study?
A) The inclusion and exclusion criteria for the study
B) The randomization of participants for a study
C) The type of study being conducted
D) The presence of blinding throughout the study
Ans: A
Complexity: Difficult
Ahead: How Is the Effectiveness of a New Drug Determined?
Subject: Chapter 1
True/False
1. True or False? Biostatistics is defined as the application of statistical principles in medicine, public
health, or biology.
Ans: True
Complexity: Easy
Ahead: What Is Biostatistics?
Subject: Chapter 1
2. True or False? The data collected in a biostatistical study can be applied to any population regardless
of race, class, and socioeconomic status.
Ans: False
Complexity: Easy
Copyright © 2023 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
, Essentials of Biostatistics for Public Health, Fourth Edition
Lisa Sullivan
Test Bank
Ahead: What Are the Issues?
Subject: Chapter 1
3. True or False? A relative risk of 5.67 indicates that the group of individuals in the study exposed to the
particular treatment or risk factor of interest are 5.67 times more likely to experience the observed
outcome being studied as compared to those who are untreated or unexposed to the risk factor.
Ans: True
Complexity: Moderate
Ahead: How Are Risk Factors or Characteristics That Might Be Related to the Development or
Progression of Disease Identified?
Subject: Chapter 1
4. True or False? Oftentimes it is more difficult to establish a relationship between a risk factor and a
particular disease outcome among older adults because they also have other risk factors for disease.
Ans: True
Complexity: Moderate
Ahead: How Are Risk Factors or Characteristics That Might Be Related to the Development or
Progression of Disease Identified?
Subject: Chapter 1
5. True or False? Randomization of clinical trial participants is important to ensure that the results of the
clinical trial can be generalized to the population as a whole, and not just to the subgroup of individuals
that participated in the trial.
Ans: False
Complexity: Moderate
Ahead: How Is the Effectiveness of a New Drug Determined?
Subject: Chapter 1
Copyright © 2023 by Jones & Bartlett Learning, LLC, an Ascend Learning Company