Which of the Following Describes a Risk Associated with Cross-Sectional

question 61

Multiple Choice

Which of the following describes a risk associated with cross-sectional research on IQ?

• A)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 educational attainment.
• B)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.
• C)In a cross-sectional study,the participants may move or die before the study has been completed.
• D)In a cross-sectional study,the researchers incur significant expenditure of time as he or she waits for the participants to get older.

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Definitions:

Gestation

Pregnancy.

Embryo

The early form of life in the uterus between the stages of blastocyst and fetus.

Gestation

The process or period of developing inside the womb between conception and birth.