HIM 4331 Exam 3 Questions and Answers Graded A+ Latest Update 2025-2026
a sample of medical records is selected by randomly selecting all records from hospitals selected at
random, what type of sampling is this? - Answers simple random sampling
which sampling technique includes dividing the population into subsets and randomly selecting a sample
of the members of each subset? - Answers stratified sampling
you are conducting a patient satisfaction survey in an outpatient clinic, because you typically see about
300 patients per day in the clinic you decide to have the interviewers administer the questionnaire on
every tenth patient. you are using: - Answers systematic sampling
an analyst wishes to determine the amount of time coders require to code inpatient records, she
samples all records from 10 randomly selected dates. this is an example of: - Answers cluster sampling
if an analyst is studying the wait times at a clinic and the only list of patients available is hard copy,
which sampling technique is the easiest to use? - Answers systematic sampling
the inclusion and exclusion criteria for a study is used primarily to determine the - Answers universe
under what circumstances is it acceptable to use a non-probability sample for an audit? - Answers when
not generalizing to the population
which of the following attributes is required for a sample to be statistically valid? - Answers it must be
reproducible
if a sample size of 3 is to be selected from a population of 20 using systematic random sampling, the
analysis should select every _______ - Answers 6
which software tool is distributed by the OIG? - Answers RAT-STATS
what graph is used to present the frequency distribution of a single numeric variable? - Answers
histogram
a linear regression is associated with this type of plot - Answers scatterplot
this graphical method is used for presenting data by comparing area - Answers pic chart
this graphical technique is ranked as the most accurate presentation method - Answers position along a
common scale
true or false, the standard deviation or standard error for each level of a group are typically added to a
plot to show the range of data - Answers true
true or false, a graphical technique that presents data along a common scale is the most accurate -
Answers true
true or false, a graph that has a bimodial distribution has more than one peak in the data - Answers true
, _______ is the term referring to the visual interpretation process of graphs - Answers graphical
perception
a method that has been developed for presenting a variety of data on a single display in an easy to read
format is called a________ - Answers dashboard
_________ refers to the process of taking what is known at the highest level of understanding and
working downward to identify the underlying causes for the high level observation - Answers slicing and
dicing
a researcher mined the MedPAR file, the analysis revealed trends in the lenghts of stay for rural
hospitals, what type of investigation was the researcher conducting? - Answers secondary analysis
the director of HIM wanted to determine the level of physicians satisfaction with the departmental
services, the director surveyed the physicians what came to the department. what type of sample is
this? - Answers convenience
what is the term for the large group of individuals, objects or events having some observable
characteristics that are the focus of a research study? - Answers target population
what is research that focuses on the implementation of theories in practice? - Answers applied research
true or false, the independent variable can cause a change in the dependent variable - Answers true
true or false, a characteristic of experimental study is the random allocation of participants to groups -
Answers true
true or false, the extent to which the findings of a research study can be generalized to other settings or
population sis called internal validity - Answers false
what is a trial run that allows researches to work out the problems in their research plan - Answers
conduct pilot study
true or false, if the same person repeats a test with similar results this indicates a high degree of
interrater reliability - Answers false
true or false, content validity releates to whether the survey questions are relevant to the research
questions - Answers true
the broad objective of biomedical research is to ______ - Answers establish facts and theories to help
solve human problems
the international code of ethics for clinical research is part of the - Answers declaration of helsinki
the ethical issues regarding clinical research addressed in the nuremburg code were responses to the
_____ - Answers nazi medical experimentation atrocities in world war II
a sample of medical records is selected by randomly selecting all records from hospitals selected at
random, what type of sampling is this? - Answers simple random sampling
which sampling technique includes dividing the population into subsets and randomly selecting a sample
of the members of each subset? - Answers stratified sampling
you are conducting a patient satisfaction survey in an outpatient clinic, because you typically see about
300 patients per day in the clinic you decide to have the interviewers administer the questionnaire on
every tenth patient. you are using: - Answers systematic sampling
an analyst wishes to determine the amount of time coders require to code inpatient records, she
samples all records from 10 randomly selected dates. this is an example of: - Answers cluster sampling
if an analyst is studying the wait times at a clinic and the only list of patients available is hard copy,
which sampling technique is the easiest to use? - Answers systematic sampling
the inclusion and exclusion criteria for a study is used primarily to determine the - Answers universe
under what circumstances is it acceptable to use a non-probability sample for an audit? - Answers when
not generalizing to the population
which of the following attributes is required for a sample to be statistically valid? - Answers it must be
reproducible
if a sample size of 3 is to be selected from a population of 20 using systematic random sampling, the
analysis should select every _______ - Answers 6
which software tool is distributed by the OIG? - Answers RAT-STATS
what graph is used to present the frequency distribution of a single numeric variable? - Answers
histogram
a linear regression is associated with this type of plot - Answers scatterplot
this graphical method is used for presenting data by comparing area - Answers pic chart
this graphical technique is ranked as the most accurate presentation method - Answers position along a
common scale
true or false, the standard deviation or standard error for each level of a group are typically added to a
plot to show the range of data - Answers true
true or false, a graphical technique that presents data along a common scale is the most accurate -
Answers true
true or false, a graph that has a bimodial distribution has more than one peak in the data - Answers true
, _______ is the term referring to the visual interpretation process of graphs - Answers graphical
perception
a method that has been developed for presenting a variety of data on a single display in an easy to read
format is called a________ - Answers dashboard
_________ refers to the process of taking what is known at the highest level of understanding and
working downward to identify the underlying causes for the high level observation - Answers slicing and
dicing
a researcher mined the MedPAR file, the analysis revealed trends in the lenghts of stay for rural
hospitals, what type of investigation was the researcher conducting? - Answers secondary analysis
the director of HIM wanted to determine the level of physicians satisfaction with the departmental
services, the director surveyed the physicians what came to the department. what type of sample is
this? - Answers convenience
what is the term for the large group of individuals, objects or events having some observable
characteristics that are the focus of a research study? - Answers target population
what is research that focuses on the implementation of theories in practice? - Answers applied research
true or false, the independent variable can cause a change in the dependent variable - Answers true
true or false, a characteristic of experimental study is the random allocation of participants to groups -
Answers true
true or false, the extent to which the findings of a research study can be generalized to other settings or
population sis called internal validity - Answers false
what is a trial run that allows researches to work out the problems in their research plan - Answers
conduct pilot study
true or false, if the same person repeats a test with similar results this indicates a high degree of
interrater reliability - Answers false
true or false, content validity releates to whether the survey questions are relevant to the research
questions - Answers true
the broad objective of biomedical research is to ______ - Answers establish facts and theories to help
solve human problems
the international code of ethics for clinical research is part of the - Answers declaration of helsinki
the ethical issues regarding clinical research addressed in the nuremburg code were responses to the
_____ - Answers nazi medical experimentation atrocities in world war II
