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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<span>What was the principal effect of the decision on the operation of the national judiciary? The Judiciary Branch has taken sole role of being the 'interpreter of the constitution and laws. The courts now possessed the power to determine the validity of Congress’ laws and revoke them as they determined necessary. </span>
Authority? ( I probably shouldnt be answering this cause Im not sure, but I hope it helps. good luckk )
