In a cross-sectional study, a researcher observes differences between individuals of different ages at the same time.
The use of routinely collected data allows large cross-sectional studies to be made at little or no expense.
The traits that make a good parent are far more complex than can be captured in a simple cross-sectional study.
Studies have also been done using "natural experiments" and time series data, which had findings similar to the cross-sectional studies.
To test this idea researchers conducted a cross-sectional study where they sampled 455 participants ranging in age from 22 to 90 years old.
This finding is based mainly on cross-sectional studies (on a single point in time).
This is, however, a cross-sectional and retrospective study with a risk of recall bias.
Then, studying changes over time, he set out to test the main conclusions derived from cross-sectional studies.
Single cross-sectional studies on consumers have been published noting multiple associations.
It is one type of clinical study design and should be compared with a cross-sectional study.