Which of the following describes a major limitation of cross-sectional research? Multiple Choice In a cross-sectional study that compares IQ scores, the difference in IQ scores of 25-year-olds and 45-year-olds is due to the 45-year-olds having taken the same test at several points in time. In a cross-sectional study that compares IQ scores, the difference in IQ scores of 25-year-olds and 45-year-olds is due to differences in their life experiences. In a cross-sectional study, the participants may move or die before the study has been completed. In a cross-sectional study, the researchers incur significant expenditure of time as he or she waits for the participants to get older.

In a cross-sectional study that compares IQ scores, the difference in IQ scores of 25-year-olds and 45-year-olds is due to differences in their life experiences

Explanation:

A cross sectional research is a research that studies a population at a specific point in time. e.g. what is the effect of smoking on the health of males between the ages of 18 - 45 years in 2020

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ogorwyne ogorwyne · Answer 2 · 2021-11-16T10:56:39+01:00

A major limitation of a cross sectional research is that in a cross-sectional study that compares IQ scores, the difference in IQ scores of 25-year-olds and 45-year-olds is due to differences in their life experiences.

The limitation of a cross sectional study is the fact that it only gives information at a particular or short period of time.

In a cross sectional study, data about the population is viewed only at a particular point in time. The outcome and the exposures in the study are viewed at the same point in time in the study.

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