The government of the Tang and Song dynasty both used a civil service exam to select officials
A researcher obtained a sample of adults and interviewed them about their financial concerns. this is an example of a) <u>cross-sectional survey </u>design.
Cross-sectional surveys assess the prevalence of disease and the prevalence of risk factors at the same point in time and provide a "snapshot" of diseases and risk factors simultaneously in a defined population.
In medical research, social science, and biology, a cross-sectional study is a type of observational study that analyzes data from a population, or a representative subset, at a specific point in time—that is, cross-sectional data.
Another example of a cross-sectional study would be a medical study examining the prevalence of cancer amongst a defined population. The researcher can evaluate people of different ages, ethnicities, geographical locations, and social backgrounds.
Learn more about the cross-sectional survey here: brainly.com/question/3603397
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$12 since 48 divided by 4 is 12.
Point of View. If the author's purpose is the why behind the writing, the point of view is the who. Point of view is all about who is telling or sharing the details. In informational text, it's the author telling the details.
