Final Exam Flashcards
True or False? Investigators who make their data available to the public expect to be coauthors on papers written by independent analysts.
False.
True or False? A request for access to a private data set is most likely to be granted when the new researcher has some existing connection to the original researcher.
True.
Which field applies advanced techniques from information science and computer science to the analysis of health data?
A) Health informatics
B) Bioinformatics
C) Clinical informatics
D) Public health informatics
A) Health informatics.
What type of projects might use data mining and computational linguistics to explore social media events?
A) Health informatics
B) Bioinformatics
C) Clinical informatics
D) Public health informatics
D) Public health informatics.
What is the major limitation when using existing clinical records?
A) Data are difficult to extract.
B) Data are protected by the Health Insurance Portability and Accountability Act.
C) Records are often incomplete
D) Records require signed release from the patient.
C) Records are often incomplete.
True or False? The disadvantage of using spreadsheet programs is that it is easy to accidentally enter new data or an existing row of data.
True.
True or False? A codebook is even more essential for closed-ended questions and quantitative surveys.
False.
Which of the following stores data in tables, linking related records in different tables?
A) Database programs
B) Spreadsheet programs
C) Statistical programs
D) File comparison programs
A) Database programs.
Which process corrects typographical or other errors in data files?
A) Data capture
B) Data cleaning
C) Data recoding
D) Data security
C) Data cleaning.
What type of programs typically offer two mechanisms for creating derived variables?
A) Database and spreadsheet programs
B) Spreadsheet and statistical programs
C) Database and statistical programs
D) File comparison and database programs
C) Database and statistical programs.
True or False? Most research studies require the use of complex statistics such as regression.
False.
True or False? Boxplots can be especially helpful for displaying the distribution of responses when the responses are skewed.
True.
What is the term for creating fake data, such as fictitious rows in a spreadsheet?
A) Fabrication
B) Falsification
C) Plagiarism
D) Justification
A) Fabrication.
For what type of variables is it not possible to create a histogram or boxplot?
A) Ratio variables
B) Interval variables
C) Ordinal variables
D) Categorical variables
Categorical variables.
What type of variables typically result from counting something, leading to gaps between acceptable values?
A) Nominal variables
B) Binomial variables
C) Continuous variables
D) Discrete variables
D) Discrete variables.
True or False? Regression models seek to understand the relationship between one or more independent variables and one dependent variable.
True.
True or False? A confounder may make the association between an exposure variable and an outcome variable appear more or less significant than it truly is.
True.
Which analysis uses regression models to examine causal patterns among variables in a unidirectional manner?
A) Path analysis
B) Structural equation modeling
C) Survival analysis
D) Analysis of covariance
A) Path analysis.
Which plots display cumulative survival rates in a study population?
A) Log-rank tests
B) Cox proportional hazards regression
C) Kaplan-Meier plots
D) Hazard ratios
C) Kaplan-Meier plots.
Which analysis examines the distribution of durations that individuals in a study population experience from an initial time point until a defined event?
A) Path analysis
B) Structural equation modeling
C) Survival analysis
D) Analysis of covariance
C) Survival analysis.
What is the term for the analysis that examines the distribution of durations of time individuals experience from an initial time point until a well-defined event?
Survival analysis
True or False? Presenting new research in the form of a poster or an oral presentation can be a particularly useful way to get feedback on a project before submitting the work for review by a journal.
True
True or False? People who indicate a willingness to make either an oral presentation or present a poster may increase the likelihood that their abstracts will be accepted for the conference.
True
When preparing slides for an oral presentation, the greatest number of slides should be dedicated to which area of content?
A) Research goal
B) Background
C) Methods
D) Results
D) Results