HSC 404, Exam 2 Questions and Correct
Answers 2024, With Complete Solution.
A prophylactic trial is designed to:
evaluate the effectiveness of a substance used to prevent disease
Which types of health issues are likely to be addressed in community trials?
-Smoking cessation
-HIV/AIDS
-Healthy eating
The purpose of double-blinding in clinical trials is to:
-Reduce error that results from the way in which the outcome is assessed
-Reduce error that results from subjects' knowledge of their assignment to study
conditions
The purpose of randomization is to:
-Reduce error that results from assignment to study conditions
Controlled clinical trials enable researchers to:
-Derive knowledge about the origins of a disease
-Exercise control over who will receive an exposure
-More accurately identify cause and effect associations
In epidemiology, an arm is:
-Any of the treatment groups in a randomized trial
In epidemiology, protocol is:
-A study plan on which all clinical trials are based
In epidemiology, informed consent is:
-The process of learning the key facts about a clinical trial before deciding whether or
not to participate
In epidemiology, efficacy is:
-The maximum ability of a drug or treatment to produce results, regardless of dosage
What is UNTRUE of ecologic studies?
-The level of exposure for each individual in the unit being studied is well known
What is TRUE of ecologic studies?
-examines a group as a unit of analysis
-an ecologic comparison study is sometimes called a cross-sectional ecologic study
-the ecologic fallacy occurs when incorrect inferences about the individual are made
from group-level data
-are a good approach for generating hypotheses
Cross-sectional studies are:
-also termed prevalence studies
-exposure and disease measures obtained at the individual level
-single period of observation
-exposure and disease histories are collected simultaneously
What are some examples of a descriptive study?
-cross-sectional studies
Answers 2024, With Complete Solution.
A prophylactic trial is designed to:
evaluate the effectiveness of a substance used to prevent disease
Which types of health issues are likely to be addressed in community trials?
-Smoking cessation
-HIV/AIDS
-Healthy eating
The purpose of double-blinding in clinical trials is to:
-Reduce error that results from the way in which the outcome is assessed
-Reduce error that results from subjects' knowledge of their assignment to study
conditions
The purpose of randomization is to:
-Reduce error that results from assignment to study conditions
Controlled clinical trials enable researchers to:
-Derive knowledge about the origins of a disease
-Exercise control over who will receive an exposure
-More accurately identify cause and effect associations
In epidemiology, an arm is:
-Any of the treatment groups in a randomized trial
In epidemiology, protocol is:
-A study plan on which all clinical trials are based
In epidemiology, informed consent is:
-The process of learning the key facts about a clinical trial before deciding whether or
not to participate
In epidemiology, efficacy is:
-The maximum ability of a drug or treatment to produce results, regardless of dosage
What is UNTRUE of ecologic studies?
-The level of exposure for each individual in the unit being studied is well known
What is TRUE of ecologic studies?
-examines a group as a unit of analysis
-an ecologic comparison study is sometimes called a cross-sectional ecologic study
-the ecologic fallacy occurs when incorrect inferences about the individual are made
from group-level data
-are a good approach for generating hypotheses
Cross-sectional studies are:
-also termed prevalence studies
-exposure and disease measures obtained at the individual level
-single period of observation
-exposure and disease histories are collected simultaneously
What are some examples of a descriptive study?
-cross-sectional studies
