However, in modern epidemiology it may be impossible to survey the entire population of interest, so cross-sectional studies often involve secondary analysis of data collected for another purpose.
12.
By preserving and making available the largest library of electronic data on aging in the United States, NACDA offers opportunities for secondary analysis on major issues of scientific and policy relevance.
13.
Others " not connected to the subject " must actually " take note ", they must do in reliable sources and they must offer their own secondary analysis.
14.
Secondary analysis of quantitative data is relatively widespread in comparative research, undoubtedly in part because of the cost of obtaining primary data for such large things as a country's policy environment.
15.
In the secondary analysis of qualitative data, good documentation can not be underestimated as it provides necessary background and much needed context both of which make re-use a more worthwhile and systematic endeavour.
16.
With the exception of certain recent topics that have not yet become the subject of extensive secondary analysis, articles on military history should aim to be based primarily on published secondary works by reputable historians.
17.
Using both original research and secondary analysis of a broad range of anthropological and sociological findings, Ruickbie gives estimates for the numbers of people involved in neo-pagan witchcraft in the UK, their age, gender and income distribution.
18.
:: I agree that readers will want to know whether the controversies had an impact on the presidential election, but I don't think that dropping in a context-free statistic without secondary analysis is acceptable under synth.
19.
A secondary analysis of a series of surveys conducted for the AAUW and administered to a representative sample of 2, 064 8th through 11th-grade American students in 2000 showed that 9.6 % of the students reported educator sex abuse.
20.
With the exception of certain recent topics that have not yet become the subject of extensive secondary analysis, and for which a lower standard may be temporarily permitted, articles on military history should aim to be based primarily on published secondary works by reputable historians.