Quiz 6 (Chapters 28-30) With
100% correct answers ( graded
A+ )
In your own words, mention four things you learned in Chapters 28-30. Your answers do not
need to be long paragraphs, but should be enough for the reader to understand what you
learned (1.5 points per answer). - answer In chapter 28, I learned the true meaning of data
management, and data management refers to extracting data from patients' charts. In chapter
29, there are many types of variables. In chapter 30, I learn about hypotheses for statistical
tests. One can either reject or accept the hypothesis.
True or False? For closed-ended questions and quantitative surveys, a codebook is even more
essential because it provides clear instructions for how to code and enter free-response
comments. - answer False
True or False? The disadvantage to using spreadsheet programs is that it is easy to accidentally
enter new data or an existing row of data or to input inconsistent codes, which makes cleaning
the data much more difficult. - answer True
What type of programs typically offer two mechanisms for creating derived variables? - answer
Database and statistical programs
Which of the following is the process of correcting any typographical or other errors in data
files? - answer Data cleaning
Which of the following stores data in tables, in which each row represents one record, and
related records in different tables can be linked? - answer Database programs
100% correct answers ( graded
A+ )
In your own words, mention four things you learned in Chapters 28-30. Your answers do not
need to be long paragraphs, but should be enough for the reader to understand what you
learned (1.5 points per answer). - answer In chapter 28, I learned the true meaning of data
management, and data management refers to extracting data from patients' charts. In chapter
29, there are many types of variables. In chapter 30, I learn about hypotheses for statistical
tests. One can either reject or accept the hypothesis.
True or False? For closed-ended questions and quantitative surveys, a codebook is even more
essential because it provides clear instructions for how to code and enter free-response
comments. - answer False
True or False? The disadvantage to using spreadsheet programs is that it is easy to accidentally
enter new data or an existing row of data or to input inconsistent codes, which makes cleaning
the data much more difficult. - answer True
What type of programs typically offer two mechanisms for creating derived variables? - answer
Database and statistical programs
Which of the following is the process of correcting any typographical or other errors in data
files? - answer Data cleaning
Which of the following stores data in tables, in which each row represents one record, and
related records in different tables can be linked? - answer Database programs
