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Which of the following are potential sources of secondary data? National Center for Health Statistics Health insurance companies or healthcare systems Other health researchers All
Which of the following are potential sources of secondary data? National Center for Health Statistics Health insurance companies or healthcare systems Other health researchers All of these are potential sources of secondary data QUESTION 2 1 A dichotomous variable has categories QUESTION 3 1 p During the peer review process, health researchers receive feedback about an article that they submitted for publication. True False QUESTION 4 1 points Sav. Which of the following are common ways to disseminate information about health research studies? publication in peer reviewed journals oral presentations at professional conferences poster presentations at professional conferences All of these are common ways to disseminate information about health research studies 1 points Sa QUESTION 5 Data analysis for a case series is usually more complicated than for a cohort or cross sectional study. True False QUESTION 6 Which of the following is a descriptive statistic? mean median percentage all of the above are descriptive statistics QUESTION 7 Data cleaning is not usually necessary for quantitative data. True False QUESTION 8 What is the document that describes the structure of a database called? spreadsheet codebook survey data library QUESTION 9 Which of the following is an advantage of conducting a secondary analysis (in comparison to a primary study)? you never need to obtain IRB approval cheaper than collecting primary data you can have a lot of contact with the research participants you can control what data are collected QUESTION 10 A larger sample will usually have a narrower confidence interval than a smaller sample. True False QUESTION 11 Which of the following statistics is most appropriate for categorical variables? odds ratio median percentages (proportions) in different categories mean
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